Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Rev 1/26/2023 Shenzhen Tuozhu Technology Co., Ltd. To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-05-2026 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A6J8-DS001 Shenzhen Tuozhu Technology Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, Bambulab USA Inc is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Tuozhu Technology Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Bambulab USA Inc accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Bambulab USA Inc Address: 8000 Centre Park Dr, STE 330, Austin, TX, 78754 FRN: 0034121772 Contact Person: Qinming Lin Tel.: +848-260-7186 Email: [email protected] Sincerely, Shenzhen Tuozhu Technology Co., Ltd. Bambulab USA Inc Applicant printed name: Nina Yang U.S. Agent printed name: Qinming Lin Title: Comliance EngineerTitle: Authorized Officer Applicant signature: U.S. Agent signature:
FCC COVERED LIST DECLARATION LETTER Page 1 of 1 Revision 1.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shenzhen Tuozhu Technology Co., Ltd. Address 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street, Qianhai Shengang Cooperation Zone, Shenzhen FRN 0032288847 Grantee Code 2A6J8 FCC ID: 2A6J8-DS001 Authorized Contact Name Nina Yang Contact Phone +86 17722439889 Contact Email [email protected] Shenzhen Tuozhu Technology Co., Ltd. (“the applicant”) certifies: - the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. - as of the date of the filing of the application, the applicant is not identified on the Covered list, established pursuant to §1.50002, as an entity producing “covered” equipment. - the software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List”. - the device is not capable of storing or running software listed on the covered list and therefore is not inherently compliant. NOTE: Justification/evidence explaining how compliance is met must accompany this letter Link to the Covered List: Covered List Applicant Signature: Date: 2026.08.05 Print Name: Nina Yang Title: Compliance engineer *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database
Applicant Declaration QSF27-14-04 Rev 1.4 April 25, 2025 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shenzhen Tuozhu Technology Co., Ltd. Address 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street, Qianhai Shengang Cooperation Zone, Shenzhen FRN 0032288847 Grantee Code 2A6J8 FCC ID: 2A6J8-DS001 Authorized Contact Name Nina Yang Contact Phone +86 17722439889 Contact Email [email protected] I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc. terms and conditions as specified in the TCB Application Form 731 (QSF27-14-01). Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Applicant Signature: Date: 2026.08.05 Print Name: Nina Yang Title: Compliance engineer *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database
ShenzhenTuozhuTechnologyCo.,Ltd. 401,WestZone,HengchangScienceandTechnologyBuilding,No.2228LinhaiAvenue, NanshanStreet,QianhaiShengangCooperationZone,Shenzhen Date:2026.08.05 TO:FederalCommunicationCommission EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MID21046 Regarding:FCCID:2A6J8-DS001 Towhomitmayconcern: We,ShenzhenTuozhuTechnologyCo.,Ltd.,herebyauthorizeParlamZhantoactonourbehalfinall mannersrelatingtoapplicationforequipmentauthorizationwithrespecttotheFCCIDabove,including signingofalldocumentsrelatingtothesematters.Anyandallactscarriedoutbytheagentonourbehalf shallhavethesameeffectasactsofourown. We,theundersigned,herebycertifythatwearenotsubjecttoadenialoffederalbenefits,thatincludes FCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21U.S.C.853(a). Whereouragentsignstheapplicationforcertificationonourbehalf,Iacknowledgethatallresponsibility forcomplyingwiththetermsandconditionsforCertification,asspecifiedbySGSNorthAmerica,Inc.,still resideswithShenzhenTuozhuTechnologyCo.,Ltd.. Thisauthorizationisvaliduntilfurtherwrittennoticefromtheapplicant. Name (Printed) :NinaYangTitle:Complianceengineer Signature: OnbehalfofCompany:ShenzhenTuozhuTechnologyCo.,Ltd. Telephone:+8617722439889
Shenzhen Tuozhu Technology Co., Ltd. 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street,Qianhai Shengang Cooperation Zone, Shenzhen To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Company Name: Shenzhen Tuozhu Technology Co., Ltd. Address: 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street, Qianhai Shengang Cooperation Zone, Shenzhen Regarding: Confidentiality Request regarding application for FCC ID: 2A6J8-DS001 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby requests confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions Tune up NII Software Security Info The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Printed Name: Nina Yang Title: Compliance engineer Company Name: Shenzhen Tuozhu Technology Co., Ltd.
Shenzhen Tuozhu Technology Co., Ltd. 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street,Qianhai Shengang Cooperation Zone, Shenzhen Date: 2026-09-21 Declaration Letter about Limited Use To whom it may concern, We, Shenzhen Tuozhu Technology Co., Ltd., hereby declared that our product listed as below: Product Description: Bambu Lab S1 Model No: DS001 FCC ID: 2A6J8-DS001 IC: 28436-DS001 The Bluetooth and 2.4GWiFi function integrated in this device has been disabled by software. Any modification will be highlighted on the release letter, and the impact analysis will also have a review. Verification procedure and verification results will be performed based on the release letter and impact analysis report. Name (Printed): Nina Yang Signature: Title: Compliance engineer On behalf of Company: Shenzhen Tuozhu Technology Co., Ltd. Telephone: 17722439889
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` ReportNo.:SUCR260800072903 Page:1 of 4 AppendixA DetailedSystemCheckResults 1.SystemPerformanceCheck SystemPerformanceCheck5250MHz SystemPerformanceCheck5750MHz Date: 2026/09/03 Test Laboratory: SGS-SAR Lab System Performance Check 5.25GHz Head DUT: D5GHzV2; Type: Dipole; Serial: 1078 Communication System: UID 0, CW (0); Frequency: 5250 MHz;Duty Cycle: 1:1 Medium: HSL5G;Medium parameters used: f = 5250 MHz; σ = 4.752 S/m; ε = 36.965; ρ = 1000 r 3 kg/m Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 - SN3923; ConvF(5.57, 5.57, 5.57); Calibrated: 2026/01/12 lSensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1245; Calibrated: 2025/09/08 lPhantom: SAM 8; Type: SAM; Serial: 1824 lDASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Body/d=10mm, Pin=100mW, f=5250 MHz/Area Scan (8x8x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 15.2 W/kg Body/d=10mm, Pin=100mW, f=5250 MHz/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 57.82 V/m; Power Drift = 0.17 dB Peak SAR (extrapolated) = 29.6 W/kg SAR(1 g) = 7.33 W/kg; SAR(10 g) = 2.07 W/kg Smallest distance from peaks to all points 3 dB below = 6.4 mm Ratio of SAR at M2 to SAR at M1 = 64.9% Maximum value of SAR (measured) = 18.1 W/kg 0 dB = 18.1 W/kg = 12.58 dBW/kg Date: 2026/09/04 Test Laboratory: SGS-SAR Lab System Performance Check 5.75GHz Head DUT: D5GHzV2; Type: Dipole; Serial: 1078 Communication System: UID 0, CW (0); Frequency: 5750 MHz;Duty Cycle: 1:1 Medium: HSL5G;Medium parameters used: f = 5750 MHz; σ = 5.332 S/m; ε = 35.914; ρ = 1000 r 3 kg/m Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 - SN3923; ConvF(5.1, 5.1, 5.1); Calibrated: 2026/01/12 lSensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1245; Calibrated: 2025/09/08 lPhantom: SAM 8; Type: SAM; Serial: 1824 lDASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Body/d=10mm, Pin=100mW, f=5750 MHz/Area Scan (8x8x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 15.5 W/kg Body/d=10mm, Pin=100mW, f=5750 MHz/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 56.10 V/m; Power Drift = 0.11 dB Peak SAR (extrapolated) = 32.7 W/kg SAR(1 g) = 7.53 W/kg; SAR(10 g) = 2.06 W/kg Smallest distance from peaks to all points 3 dB below = 7.2 mm Ratio of SAR at M2 to SAR at M1 = 62% Maximum value of SAR (measured) = 18.7 W/kg 0 dB = 18.7 W/kg = 12.72 dBW/kg ` ReportNo.:SUCR260800072903 Page: 4 of 4 -EndoftheAppendix-
` ReportNo.: SUCR260800072903 Page: 1 of 3 AppendixB DetailedTestResults 1. WIFI WIFI5G Date: 2026/09/04 Test Laboratory: SGS-SAR Lab Wi-Fi 5G 802.11ac VHT80 Ch155 Right side 0mm Communication System: UID 0, WI-FI(5GHz) (0); Frequency: 5775 MHz;Duty Cycle: 1:1.031 Medium: HSL5G;Medium parameters used: f = 5755 MHz; σ = 5.329 S/m; ε r = 35.93; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 - SN3923; ConvF(5.1, 5.1, 5.1); Calibrated: 2026/01/12 l Sensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1245; Calibrated: 2025/09/08 l Phantom: SAM 8; Type: SAM; Serial: 1824 l DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Scan/Area Scan (15x16x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 27.3 W/kg Configuration/Scan/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 2.431 V/m; Power Drift = -0.03 dB Peak SAR (extrapolated) = 55.7 W/kg SAR(1 g) = 12.2 W/kg; SAR(10 g) = 3.443 W/kg Smallest distance from peaks to all points 3 dB below = 5.6 mm Ratio of SAR at M2 to SAR at M1 = 63.4% Maximum value of SAR (measured) = 33.1 W/kg 0 dB = 33.1 W/kg = 15.20 dBW/kg ` ReportNo.: SUCR260800072903 Page: 3 of 3 -EndoftheAppendix-
` ReportNo.:SUCR260800072903 Page:1 of 23 AppendixC Calibrationcertificate 1.Dipole D5GHzV2-SN 1078 2.DAE DAE4-SN1245 3.Probe EX3DV4-SN3923 4.DipoleExtend DipoleD5GHzV2SN1078 5250MHzHeadLiquid Dateof Measurement Return Loss(dB) Δ% Impedance real(Ω) ΔΩ Impedance imaginary （jΩ） ΔjΩ 2025/3/14-24.4/50.6/-6.04/ 2026/3/12-22.7-7.0%47.9-2.7-5.510.5 5750MHzHeadLiquid Dateof Measurement Return Loss(dB) Δ% Impedance real(Ω) ΔΩ Impedance imaginary （ jΩ ） ΔjΩ 2025/3/14-27.2/54.5/-0.24/ 2026/3/12-26.5-2.6%56.72.2-1.98-1.7 ` ReportNo.:SUCR260800072903 Page:23 of 23 -EndoftheAppendix-
` Report No.: SUCR260800072903 Page: 1 of 4 TRF No.SUZSCONN-TRF-CR(SAR)A001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） Appendix E Conducted RF Output Power ` Report No.: SUCR260800072903 Page: 2 of 4 TRF No.SUZSCONN-TRF-CR(SAR)A001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） 1.1 Conducted Power of 5G WIFI WIFI 5G Ant 1 5GHz Channel Frequency (MHz) Average Power (dBm) Tune up (dBm) 5GHz U-NII-1 802.11a 36 5180 8.01 8.50 40 5200 7.96 8.50 48 5240 8.03 8.50 802.11n HT20 36 5180 8.18 9.00 40 5200 8.37 9.00 48 5240 8.50 9.00 802.11n HT40 38 5190 11.22 11.50 46 5230 11.48 11.50 802.11ac VHT20 36 5180 8.28 9.00 40 5200 8.23 9.00 48 5240 8.41 9.00 802.11ac VHT40 38 5190 11.07 11.50 46 5230 11.30 11.50 802.11ac VHT80 42 5210 14.47 15.00 802.11ax HE20 36 5180 8.60 9.00 40 5200 8.58 9.00 48 5240 8.31 9.00 802.11ax HE40 38 5190 11.58 12.00 46 5230 11.75 12.00 802.11ax HE80 42 5210 14.65 15.00 5GHz Channel Frequency(MHz) Average Power (dBm) Tune up 5GHz UNII-3 802.11a 149 5745 17.58 18.00 157 5785 17.30 18.00 165 5825 16.93 18.00 802.11n HT20 149 5745 17.51 18.00 157 5785 17.01 18.00 165 5825 16.68 18.00 802.11n HT40 151 5755 17.91 18.00 159 5795 17.46 18.00 802.11ac VHT20 149 5745 17.53 18.00 157 5785 17.07 18.00 165 5825 16.79 18.00 802.11ac VHT40 151 5755 18.24 19.00 159 5795 17.68 19.00 802.11ac VHT80 155 5775 18.89 19.50 802.11ax HE20 149 5745 16.06 17.00 157 5785 15.26 17.00 165 5825 15.30 17.00 802.11ax HE40 151 5755 18.14 18.00 159 5795 17.72 18.00 802.11ax HE80 155 5775 18.80 19.50 ` Report No.: SUCR260800072903 Page: 3 of 4 TRF No.SUZSCONN-TRF-CR(SAR)A001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） WIFI 5G Ant 2 5GHz Channel Frequency (MHz) Average Power (dBm) Tune up (dBm) 5GHz U-NII-1 802.11a 36 5180 7.80 8.00 40 5200 7.68 8.00 48 5240 7.87 8.00 802.11n HT20 36 5180 8.08 9.00 40 5200 7.97 9.00 48 5240 8.18 9.00 802.11n HT40 38 5190 10.75 11.00 46 5230 10.85 11.00 802.11ac VHT20 36 5180 8.09 9.00 40 5200 7.94 9.00 48 5240 8.21 9.00 802.11ac VHT40 38 5190 10.71 11.00 46 5230 10.84 11.00 802.11ac VHT80 42 5210 14.24 15.00 802.11ax HE20 36 5180 8.43 9.00 40 5200 8.32 9.00 48 5240 8.03 9.00 802.11ax HE40 38 5190 11.25 12.00 46 5230 11.34 12.00 802.11ax HE80 42 5210 14.42 15.00 5GHz Channel Frequency(MHz) Average Power (dBm) Tune up 5GHz UNII-3 802.11a 149 5745 17.65 18.00 157 5785 17.58 18.00 165 5825 17.50 18.00 802.11n HT20 149 5745 17.75 18.00 157 5785 17.52 18.00 165 5825 17.45 18.00 802.11n HT40 151 5755 18.10 19.00 159 5795 17.76 19.00 802.11ac VHT20 149 5745 17.66 18.00 157 5785 17.51 18.00 165 5825 17.33 18.00 802.11ac VHT40 151 5755 18.63 19.00 159 5795 18.40 19.00 802.11ac VHT80 155 5775 19.46 19.50 802.11ax HE20 149 5745 16.22 17.00 157 5785 15.92 17.00 165 5825 15.89 17.00 802.11ax HE40 151 5755 18.60 19.00 159 5795 18.37 19.00 802.11ax HE80 155 5775 19.33 19.50 ` Report No.: SUCR260800072903 Page: 4 of 4 TRF No.SUZSCONN-TRF-CR(SAR)A001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） WIFI 5G MIMO 5GHz Channel Frequency (MHz) Average Power (dBm) Tune up (dBm) 5GHz U-NII-1 802.11a 36 5180 10.92 11.00 40 5200 10.83 11.00 48 5240 10.96 11.00 802.11n HT20 36 5180 11.14 12.00 40 5200 11.18 12.00 48 5240 11.35 12.00 802.11n HT40 38 5190 14.00 15.00 46 5230 14.19 15.00 802.11ac VHT20 36 5180 11.20 12.00 40 5200 11.10 12.00 48 5240 11.32 12.00 802.11ac VHT40 38 5190 13.90 14.50 46 5230 14.09 14.50 802.11ac VHT80 42 5210 17.37 18.00 802.11ax HE20 36 5180 11.53 12.00 40 5200 11.46 12.00 48 5240 11.18 12.00 802.11ax HE40 38 5190 14.43 15.00 46 5230 14.56 15.00 802.11ax HE80 42 5210 17.55 18.00 5GHz Channel Frequency(MHz) Average Power (dBm) Tune up 5GHz UNII-3 802.11a 149 5745 20.63 21.00 157 5785 20.45 21.00 165 5825 20.23 21.00 802.11n HT20 149 5745 20.64 21.00 157 5785 20.28 21.00 165 5825 20.09 21.00 802.11n HT40 151 5755 21.02 21.50 159 5795 20.62 21.50 802.11ac VHT20 149 5745 20.61 21.00 157 5785 20.31 21.00 165 5825 20.08 21.00 802.11ac VHT40 151 5755 21.45 22.00 159 5795 21.07 22.00 802.11ac VHT80 155 5775 22.19 22.50 802.11ax HE20 149 5745 19.15 20.00 157 5785 18.61 20.00 165 5825 18.62 20.00 802.11ax HE40 151 5755 21.39 22.00 159 5795 21.07 22.00 802.11ax HE80 155 5775 22.08 22.50 - End of the Appendix -
` Report No.: SUCR260800072903 Page: 1 of 39 TRF No. SUZSCONN-TRF-CR001_B_Aug 13 th ,2026 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 Member of the SGS Group （SGS SA） t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory SAR TEST REPORT Application No.: SUCR2608000729AT FCC ID: 2A6J8-DS001 Applicant: Shenzhen Tuozhu Technology Co., Ltd. Address of Applicant: 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street, Qianhai Shengang Cooperation Zone, Shenzhen. Manufacturer: Shenzhen Tuozhu Technology Co., Ltd. Address of Manufacturer: 401, West Zone, Hengchang Science and Technology Building, No. 2228 Linhai Avenue, Nanshan Street, Qianhai Shengang Cooperation Zone, Shenzhen. Equipment Under Test (EUT): EUT Name: Bambu Lab S1 Model No.: DS001 Trade Mark: Bambu Lab Standards: FCC 47CFR §2.1093 Date of Receipt: 2026-08-03 Date of Test: 2026-09-03 to 2026-09-04 Date of Issue: 2026-09-11 Test Result : PASS * * In the configuration tested, the EUT detailed in this report complied with the standards specified above. ` Report No.: SUCR260800072903 Page: 2 of 39 TRF No. SUZSCONN-TRF-CR001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） Revision Record Version Description Date Remark 00 Original 2026-09-11 / Authorized for issue by: Prepared By Leon Liu/ Project Engineer Approved By Nick Hu/ Reviewer ` Report No.: SUCR260800072903 Page: 3 of 39 TRF No. SUZSCONN-TRF-CR001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Limbs SAR WI-FI (5GHz) 3.81 SAR Limited(W/kg) 4.0 ` Report No.: SUCR260800072903 Page: 4 of 39 TRF No. SUZSCONN-TRF-CR001_B_Aug 13 th ,2026 South of No. 6 Plant, No. 1, RunSheng Road, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone 215123 t (86-512) 6229 2980 www.sgsgroup.com.cn SGS Tongf ang Technical S er vices (Suz hou) Co., Ltd. Connectivity Laboratory Member of the SGS Group （SGS SA） Contents 1 General Information .............................................................................................. 6 1.1 General Description of EUT .............................................................................. 6 1.2 Test Specification .............................................................................................. 7 1.3 RF exposure limits ............................................................................................ 8 1.4 Test Location .................................................................................................... 9 1.5 Test Engineer .................................................................................................... 9 1.6 Test Facility ....................................................................................................... 9 2 Laboratory Environment ..................................................................................... 10 3 SAR Measurements System Configuration....................................................... 11 3.1 The SAR Measurement System ...................................................................... 11 3.2 Isotropic E-field Probe EX3DV4 ...................................................................... 13 3.3 Data Acquisition Electronics (DAE) ................................................................. 14 3.4 SAM Twin Phantom ........................................................................................ 14 3.5 ELI Phantom ................................................................................................... 15 3.6 Device Holder for Transmitters ....................................................................... 16 3.7 Measurement Procedure ................................................................................. 17 3.7.1 Scanning procedure .................................................................................. 17 3.7.2 Data storage ............................................................................................. 19 3.7.3 Data Evaluation by SEMCAD .........................................…
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ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 1/11 SampleAcknowledgment CustomerName:SIKAN ProjectName：Scanner-Ｂ ProductSpec：WIFIantenna：long31.85wide10.1 CustomerP/N： REV：V1.0 Date：2026.08.14 drawing checkapproved LijieWuXiChunJiangZhenHua CustomerApprove checkapproved approval ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 2/11 catalogue Index 一、Cover------------------------------------1 二、Index-------------------------------------2 三、ElectricalPerformanceIndex---------3 四、Testreport---------------------------4-7 五、TestingEquipment&Principle------8 六、ProductDrawing-----------------------9 七、Reliadilitytestreport----------10 八、Codeforproductpackaging---------11 ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 3/11 3.ElectricalPerformanceIndex ElectricalPerformanceSpecificationsElectricalSpecifications Frequencyrange:2400-5800MHz2400-5800MHz voltage standing-wave ratio ≤2.0 VSWR ≤2.0 gain WiFi≤5.26DBI GAIN WiFi≤5.26DBI radiation mode omnidirectionalRadiationOMNI Polarization method linearpolarizationPolarizatinLINEAR input impedence 50Ω InputImpedance 50Ω MechanicalPerformanceIndicatorsMechanicalSpecifications Interface format shrapnelInputconnector shrapnel Antenna material FPCAntennamateriaFPC working temperature -30°C~+80°C Working Temperature -30°C~+80°C Working humidity 40~85% Working Humidity 40~85% pictureof realproducts ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 4/11 4、Testreport 1.OTApassivetestdata： Frequency/MhzEfficiency/%MaxGain/dBi 240052.242.41 241051.523.15 242056.493.37 243059.023.43 244062.374.08 245053.953.32 246054.833.92 247051.43.93 248057.284.92 249056.495.02 250053.464.98 515050.935.03 520052.65.26 525052.485.09 530052.844.95 535053.74.82 540051.884.54 5450504.22 550052.364.34 555055.085 560046.134 565053.834.61 570047.864.17 575054.084.96 580050.74.06 ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 5/11 1.2VSWRPlot ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 6/11 1.3WiFi3Dreversedirectionchart ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 7/11 1.4WiFi2Dreversedirectionchart ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 8/11 5.TestingEquipmentandPrinciples 1. testingfacility： Networkanalyzers: Agilent8753D5071B CommunicationsTestSet:ComprehensiveTestInstrument AgilentE5515C 3DChamberTestSystem: 2.Testprinciple: ShenzhenZhongkeWirelessTechnologyCo.,LTD ShenzhenzhongkewirelesstechnologyCo.Ltd E-mail：[email protected]：//www.zkant.com Address:1stFloor,BuildingA,DalangZhongheIndustrialPark,LonghuaDistrict,Shenzhen,China Tel:0755-2958809618975422013 9/11 6.ProductDrawing ShenzhenZhongkeWirel…
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8000 Centre Park Dr, STE 330, Austin, TX, 78754 · Austin, Texas, 78754 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15E | 5.18 GHz - 5.24 GHz | 57.00 mW |
| 2 | 15E | 5.75 GHz - 5.83 GHz | 166.00 mW |
Equipment Class
NII - Unlicensed National Information Infrastructure TXAMS 3H
Equipment Class
DXX - Part 15 Low Power Communication Device TransmitterAMS 3P
Equipment Class
DXX - Part 15 Low Power Communication Device TransmitterP3C
Equipment Class
DTS - Digital Transmission SystemH3C
Equipment Class
NII - Unlicensed National Information Infrastructure TX