2AMDJ-TS21GNSS Receiver

User Manual TS21 GNSS Receiver  TS21 for AR Staking Version 1.0 TS21 User Manual 1 ! Note: Please check each item according to the item list first to confirm that all the accessories are correct for the purchased kit. Install the radio antenna before switching the radio transceiver to transmit mode, or the radio transceiver may be damaged due to overheating. The energy to be transmitted cannot be emitted out without the antenna, which may cause the temperature rise and overheat of the radio module. This Quick Start Guide introduces how to start using TS21 GNSS Receiver quickly, the detailed introduction and operations of TS21 refer to User Manual for TS21 GNSS Receiver. Figure 0.1 TS21 GNSS Receiver The three steps of TS21 AR staking are outlined below: 1. Rover Setup; 2. Configuration via Nuwa; 3. AR Staking TS21 User Manual 2 1. Rover Setup According to the customer requirements, set up the system as per the following pictures. Figure 1.1 TS21 as a Rover – Network Mode Table 1.1 Devices in Figure 1.1 NO. Device Name 1 TS21 GNSS Receiver 2 Ranging pole 3 Bracket for TC80 4 TC80 Controller TS21 User Manual 3 Figure 1.2 TS21 as a Rover – Internal Radio Table 1.2 Devices in Figure 1.2 NO. Device Name 1 TS21 GNSS Receiver 2 410-470MHz radio whip antenna 3 Ranging pole 4 Bracket for TC80 5 TC80 Controller TS21 User Manual 4 2. Configure via Nuwa 2.1 Connect TS21 in Nuwa App Long press the power button to power on TS21. Figure 2.1 Power On TS21 Start Nuwa App, click [Device]-->[Connect], select device TS21 and target WiFi, then click [Connect] to complete the device connection. Figure 2.2 Connect TS21 TS21 User Manual 5 2.2 Configure TS21 as a Rover Go to the Device interface, click [Rover] to create a new Rover mode or edit an existing rover mode as shown below. Figure 2.3 Rover Config Choose [Internal Radio], [Receiver Network] or [PDA Network] for Data Link to receive the correction data. Fill in the detailed configuration and activate rover mode to get the fixed solution. TS21 User Manual 6 Figure 2.4 Internal Radio Figure 2.5 PDA Network NOTE: 1) Requires radio whip antenna required in Internal Radio mode 2) Requires SIM card in TS21 in Receiver Network mode 3) Requires SIM card in controller in PDA Network mode TS21 User Manual 7 3. AR Staking 3.1 Open Project Go to the Project interface, click [Project] to create new project or open a project. Make sure the coordinate system is correct. Figure 3.1 Open Project 3.2 Import Targets Go to the Survey interface, click [Point Stakeout] to enter point stakeout interface. Click to show the Staking Point list and click [Import] to import targets from file, from other point lists or directly manually add. TS21 User Manual 8 Figure 3.2 Staking Point List Figure 3.3 Import Targets 3.3 AR Staking Select one of the point as the target, back to the Point Stakeout interface. Click to enter AR staking interface as shown below. Target Point Direction and Distance Indicator Switch Targets Figure 3.4 AR Staking 9 TS21 Quick Start Guide 4. Get More This Quick Start Guide briefly introduces the setup and operation for TS21 GNSS Receiver and the operation of Nuwa app. More details please refer to User Manual of TS21 and User Manual of Nuwa app which can be downloaded from Tersus official website: https://www.tersus-gnss.com/document. 5. Exemption of Liability Before using this product, please be sure to read the product manual carefully, which helps you to better use the product. Tersus is not liable for damages caused by failure to follow the instructions in the manual. Tersus is committed to continually improving product features and performance, and the contents of subsequent product manuals are subject to change without notice. If the pictures and icons in the manual are different with actual product, please refer to the actual product. 6. Technical Support Thank you for using Tersus products. If you have any technical questions for the products, please contact us at [email protected] or log a ticket in our tracking system: https://tersus.supportsystem.com/ and we will serve you promptly. 10 TS21 Quick Start Guide FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC Radiation Exposure Statement: This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. Note : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. RF exposure environment warning: This equipment complies with FCC radiation exposure limits set forth for an Occupational/Controlled environment .This equipment should be installed and operated with minimum distanc…

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Quick Start Guide TS20 GNSS Receiver  TS20 for AR Staking Version 1.0 TS20 Quick Start Guide – System Setup 1 ! Note: Please check each item according to the item list first to confirm that all the accessories are correct for the purchased kit. Install the radio antenna before switching the radio transceiver to transmit mode, or the radio transceiver may be damaged due to overheating. The energy to be transmitted cannot be emitted out without the antenna, which may cause the temperature rise and overheat of the radio module. This Quick Start Guide introduces how to start using TS20 GNSS Receiver quickly, the detailed introduction and operations of TS20 refer to User Manual for TS20 GNSS Receiver. TS20 Quick Start Guide – System Setup 2 Figure 0.1 TS20 GNSS Receiver The three steps of TS20 AR staking are outlined below: 1. Rover Setup 2. Configuration via Nuwa 3. AR Staking TS20 Quick Start Guide – System Setup 3 1.Rover Setup Figure 1.1 TS20 as a Rover – Network Mode Table 1.1 Devices in Figure 1.1 NO. Device Name 1 TS20 GNSS Receiver 2 Ranging Pole 3 Bracket for TC80 4 TC80 Controller TS20 Quick Start Guide – System Setup 4 Figure 1.2 TS20 as a Rover – Internal Radio Table 1.2 Devices in Figure 1.2 NO. Device Name 1 TS20 GNSS Receiver 2 410-470MHz Radio Whip Antenna 3 Ranging Pole 4 Bracket for TC80 5 TC80 Controller 5 TS20 Quick Start Guide-Configure via Nuwa 2. Configure via Nuwa 2.1 Connect TS20 in Nuwa App Long press the power button to power on TS20. Figure 2.1 Power On TS20 Start Nuwa App, click [Device]-->[Connect], select device TS20 and target WiFi, then click [Connect] to complete the device connection. Figure 2.2 Connect TS20 6 TS20 Quick Start Guide-Configure via Nuwa 2.2 Configure TS20 as a Rover Go to the Device interface, click [Rover] to create a new Rover mode or edit an existing rover mode as shown below. Figure 2.3 Rover Config Choose [Internal Radio], [Receiver Network] or [PDA Network] for Data Link to receive the correction data. Fill in the detailed configuration and activate rover mode to get the fixed solution. 7 TS20 Quick Start Guide-Configure via Nuwa Figure 2.4 Internal Radio Figure 2.5 PDA Network NOTE: 1. Requires radio whip antenna required in Internal Radio mode 2. Requires SIM card in TS20 in Receiver Network mode 3. Requires SIM card in controller in PDA Network mode 8 TS20 Quick Start Guide – AR Staking 3. AR Staking 3.1 Open Project Go to the Project interface, click [Project] to create new project or open a project. Make sure the coordinate system is correct. Figure 3.1 Open Project 9 TS20 Quick Start Guide – AR Staking 3.2 Import Targets Go to the Survey interface, click [Point Stakeout] to enter point stakeout interface. Click to show the Staking Point list and click [Import] to import targets from file, from other point lists or directly manually add. Figure 3.2 Staking Point List Figure 3.3 Import Targets TS20 Quick Start Guide – AR Staking to 3.3 AR Staking Select one of the point as the target, back to the Point Stakeout interface. Click enter AR staking interface as shown below. Target Point Direction and Distance Indicator Switch Targets Figure 3.4 AR Staking 10 Tersus GNSS Inc. Right to the Point Get More This Quick Start Guide briefly introduces the setup and operation for TS20 GNSS Receiver and the operation of Nuwa app. More details please refer to User Manual of TS20 and User Manual of Nuwa app which can be downloaded from Tersus official website: https://www.tersus-gnss.com/document. Exemption of Liability Before using this product, please be sure to read the product manual carefully, which helps you to better use the product. Tersus is not liable for damages caused by failure to follow the instructions in the manual. Tersus is committed to continually improving product features and performance, and the contents of subsequent product manuals are subject to change without notice. If the pictures and icons in the manual are different with actual product, please refer to the actual product. Technical Support Thank you for using Tersus products. If you have any technical questions for the products, please contact us at [email protected] or log a ticket in our tracking system: https://tersus.supportsystem.com/ and we will serve you promptly. FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This devi ce complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC Radiation Exposure Statement: This equipment should be i nstalled and operated with minimum distance 20cm between the radiator& your body. Note : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful i nterference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the i nterference by one or more of the following measures: —Reorient or rel ocate the receivi ng antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the deal er or an experienced radio/TV techni cian for help. RF exposure environment warning: This equipment complies with…

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Made in China ѝഭࡦ䙐 Name: GNSS Receiver Model: TS21Input 7.4Vdc Power 2.59W Mfg: Tersus GNSS Inc.Web: www.tersus-gnss.comAddr.: Rm 601, Bldg E2, No.88, Jinjihu Avenue, Suzhou, China. ੃〦φ*166᧛᭬ᵰශਭφ TS21 ࡬䙖φ㤅ᐔཟ⺋ሲ㡠〇ᢶᴿ䲆䍙Աޢਮ㖇൶φ www.tersus-gnss.cn ൦൶φ㤅ᐔᐛѐണ॰䠇呗5.ཝ䚉ਭӰᐛᲰ㜳ӝѐണ(ঋݹ 18.00 mm 4.30 mm FCC ID: 2AMDJ-TS21 Contains: 211-250735 R ADF240008020 T Made in China ѝഭࡦ䙐 Name: GNSS Receiver Model: TS20Input 7.4Vdc Power 2.59W Mfg: Tersus GNSS Inc.Web: www.tersus-gnss.comAddr.: Rm 601, Bldg E2, No.88, Jinjihu Avenue, Suzhou, China. ੃〦φ*166᧛᭬ᵰශਭφ TS20 ࡬䙖φ㤅ᐔཟ⺋ሲ㡠〇ᢶᴿ䲆䍙Աޢਮ㖇൶φ www.tersus-gnss.cn ൦൶φ㤅ᐔᐛѐണ॰䠇呗5.ཝ䚉ਭӰᐛᲰ㜳ӝѐണ(ঋݹ 18.00 mm 4.30 mm FCC ID: 2AMDJ-TS21 Contains: 211-250735 R ADF240008020 T

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 1 / 1 EXHIBIT F - TEST SETUP PHOTOGRAPHS Radiated Emissions (Below 1 GHz) Radiated Spurious Emissions (1 - 5 GHz)

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Kunshan). This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP, or any agency of the U.S.Government. FCC PART 90 TEST REPORT For Tersus GNSS Inc. Rm 601, Bldg E2, No. 88, Jinjihu Ave, Suzhou, China Report Type: Original Report Product Name: GNSS Receiver Report Number: RSHA250514001-00E Report Date: 2025-12-29 Reviewed By: Bard Liu Approved By: Kyle Xu Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu Province, China Tel: +86-512-86175000 Fax: +86-512-88934268 www.baclcorp.com.cn FCC ID: 2AMDJ-TS21 Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA250514001-00E Page 2 of 38 TABLE OF CONTENTS REPORT REVISION HISTORY................................................................................................................................. 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 TEST FACILITY ............................................................................................................................................................. 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 SPECIAL ACCESSORIES ................................................................................................................................................. 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE.................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) ....................................................... 11 FCC §2.1046 & §90.205 RF OUTPUTPOWER ........................................................................................................ 13 APPLICABLE STANDARD ............................................................................................................................................ 13 TEST PROCEDURE ...................................................................................................................................................... 13 TEST DATA: SEE APPENDIX ....................................................................................................................................... 13 FCC §2.1049 &§90.209 §90.210 - OCCUPIED BANDWIDTH &EMISSION MASK .......................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 TEST PROCEDURE ...................................................................................................................................................... 14 TEST DATA: SEE APPENDIX ....................................................................................................................................... 14 FCC §2.1051&§90.210 - SPURIOUS EMISSIONS AT ANTENNA TERMINALS .............................................. 15 APPLICABLE STANDARD ............................................................................................................................................ 15 TEST PROCEDURE ...................................................................................................................................................... 15 TEST DATA: SEE APPENDIX ....................................................................................................................................... 15 FCC §2.1053 & §90.210 - SPURIOUS RADIATED EMISSIONS .......................................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 TEST PROCEDURE ...................................................................................................................................................... 16 TEST DATA: SEE APPENDIX ..........................................…

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Antenna：QT450ETA Manufacturer： Dipole Communications LTD. Address：New Light Industrial Base, Luocun, Foshan, Guangdong China. Frequency ID1234567 Frequency (MHz)410.0420.0430.0440.0450.0460.0470.0 Efficiency (dBi)-2.48-2.53-1.66-1.45-1.44-1.36-1.26 Gain (dBi)0.830.991.912.101.712.234.29 Efficiency (%)56.5555.8568.2871.6771.7273.1574.74 Directivity (dB)3.313.523.563.553.153.595.55 Peak Gain Position (Theta)60.0063.0066.00122.00121.00164.00166.00 Peak Gain Position (Phi)209.00193.00195.00315.00315.0032.00358.00 Efficiency ThetaPol (%)48.9148.7156.6760.3559.7458.6550.89 Efficiency PhiPol (%)7.647.1411.6111.3211.9714.5023.85 Upper Hem. Efficiency (%)30.0029.6836.3233.6332.1928.5728.40 Lower Hem. Efficiency (%)26.5626.1731.9638.0539.5344.5846.33 VER7 T90(H)圆度1.660.902.051.621.051.802.65 Gain 15deg (dBi) E1(XZ)波瓣宽度59.0054.0078.0083.00113.0086.0035.00 E1(XZ)前后比3.744.915.963.340.000.000.00 E2(YZ)波瓣宽度96.0088.0083.0082.0089.0097.0047.00 E2(YZ)前后比3.333.404.123.821.720.400.00 最大增益处轴比(P)11.9729.8912.4025.1217.728.944.26 仰角10度最差(大)轴比(P)58.9158.2622.8833.2880.5268.3359.49 Hc(XY)波瓣宽度360.00360.00360.00360.00360.00360.00360.00 Hc(XY)前后比0.020.140.030.080.110.140.14 左旋圆极化效率(%)31.0126.4440.3239.8332.4031.3434.49 右旋圆极化效率(%)25.5429.4227.9631.8439.3241.8140.25 Empty max74.74 min55.85 55.85 74.74 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 410.0420.0430.0440.0450.0460.0470.0 Efficiency (%)Max-Min 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 410.0420.0430.0440.0450.0460.0470.0 Efficiency ThetaPol (%)Efficiency PhiPol (%) 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 410.0420.0430.0440.0450.0460.0470.0 Upper Hem. Efficiency (%)Lower Hem. Efficiency (%) 410.0MHz H+V, Eff: 56.6%410.0MHz Total(E1-XZ), Max= 0.51dBi410.0MHz Total(E2-YZ), Max= 0.48dBiTotal(H-XY), Max= -0.39dBi, CirD=1.66 0.83 -1.01 -2.85 -4.69 -6.54 -8.38 -10.22 -12.06 -13.9 -15.75 -17.59 -19.43 -21.27 -23.11 -24.96 -26.8 -28.64 -30.48 420.0MHz H+V, Eff: 55.9%420.0MHz Total(E1-XZ), Max= 0.86dBi420.0MHz Total(E2-YZ), Max= 0.08dBiTotal(H-XY), Max= -0.91dBi, CirD=0.90 0.99 -0.85 -2.69 -4.53 -6.38 -8.22 -10.06 -11.9 -13.75 -15.59 -17.43 -19.27 -21.11 -22.96 -24.8 -26.64 -28.48 -30.32 430.0MHz H+V, Eff: 68.3%430.0MHz Total(E1-XZ), Max= 1.63dBi430.0MHz Total(E2-YZ), Max= 1.27dBiTotal(H-XY), Max= 0.71dBi, CirD=2.05 1.91 0.06 -1.78 -3.62 -5.46 -7.31 -9.15 -10.99 -12.83 -14.67 -16.52 -18.36 -20.2 -22.04 -23.88 -25.73 -27.57 -29.41 440.0MHz H+V, Eff: 71.7%440.0MHz Total(E1-XZ), Max= 0.81dBi440.0MHz Total(E2-YZ), Max= 1.14dBiTotal(H-XY), Max= 0.54dBi, CirD=1.62 2.1 0.26 -1.58 -3.43 -5.27 -7.11 -8.95 -10.79 -12.64 -14.48 -16.32 -18.16 -20 -21.85 -23.69 -25.53 -27.37 -29.21 450.0MHz H+V, Eff: 71.7%450.0MHz Total(E1-XZ), Max= 0.67dBi450.0MHz Total(E2-YZ), Max= 1.57dBiTotal(H-XY), Max= 0.19dBi, CirD=1.05 1.71 -0.13 -1.98 -3.82 -5.66 -7.5 -9.34 -11.19 -13.03 -14.87 -16.71 -18.55 -20.4 -22.24 -24.08 -25.92 -27.76 -29.61 460.0MHz H+V, Eff: 73.2%460.0MHz Total(E1-XZ), Max= 1.92dBi460.0MHz Total(E2-YZ), Max= 1.63dBiTotal(H-XY), Max= 0.44dBi, CirD=1.80 2.23 0.39 -1.45 -3.29 -5.13 -6.98 -8.82 -10.66 -12.5 -14.34 -16.19 -18.03 -19.87 -21.71 -23.55 -25.4 -27.24 -29.08 470.0MHz H+V, Eff: 74.7%470.0MHz Total(E1-XZ), Max= 4.28dBi470.0MHz Total(E2-YZ), Max= 3.53dBiTotal(H-XY), Max= 0.17dBi, CirD=2.65 4.29 2.45 0.6 -1.24 -3.08 -4.92 -6.77 -8.61 -10.45 -12.29 -14.13 -15.98 -17.82 -19.66 -21.5 -23.34 -25.19 -27.03

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA250514001-00B Page 16 of 73 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart §2.1091 and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); For simultaneously transmit system, the calculated power density should comply with: Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA250514001-00B Page 17 of 73 Calculation Data: General Population/Uncontrolled Mode Frequency Range (MHz) Antenna Gain Tune-up Output Power ★ Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) MPE ratio (dBi) (numeric) (dBm) (mW) 2.4G Wi-Fi 2412-2462 1.33 1.36 14.0 25.12 20 0.0068 1.00 0.0068 BT 2402-2480 1.33 1.36 9.0 7.94 20 0.0021 1.00 0.0021 5G Wi-Fi 5150-5250 -1.32 0.74 8.0 6.31 20 0.0009 1.00 0.0009 5725-5850 -2.61 0.55 11.0 12.59 20 0.0014 1.00 0.0014 LTE band 2 1850-1910 1.93 1.56 22.5 177.83 20 0.0552 1.0 0.0552 LTE band 4 1710-1755 -2.87 0.52 24.5 281.84 20 0.0292 1.0 0.0292 LTE band 5 824-849 -0.03 0.99 24.5 281.84 20 0.0557 0.5493 0.1014 LTE band 7 2500-2570 0.74 1.19 23.0 199.53 20 0.0472 1.0 0.0472 LTE band 25 1850-1915 1.93 1.56 25.0 316.23 20 0.0981 1.0 0.0981 LTE band 38 2570-2620 0.74 1.19 22.5 177.83 20 0.0421 1.0 0.0421 LTE band 41 2496-2690 0.74 1.19 23.0 199.53 20 0.0472 1.0 0.0472 Occupational/Controlled Mode Frequency Range (MHz) Antenna Gain ★Tune-up Output Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) MPE ratio (dBi) (numeric) (dBm) (mW) UHF 410-470 4.29 2.69 33.00 1995.26 20 1.0658 1.3667 0.7798 Note: 1. The target output powers are all declared by the Manufacturer. 2. Wi-Fi, BT, WWAN and UHF can transmit simultaneously, the worst condition is as below: =0.0068+0.0021+0.1014+0.7798=0.8901< 1.0 Result: The device meet FCC MPE at 20 cm distance.

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 15 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 16 / 29 Model: TS20 LTE Diversity Antenna Wi-Fi/BT Antenna LTE Main Antenna GNSS Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 17 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 18 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 19 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 20 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 21 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 22 / 29 A camera Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 23 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 24 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 25 / 29 Flywire section Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 26 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 27 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 28 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 29 / 29

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 1 / 29 EXHIBIT B - EUT INTERNAL PHOTOGRAPHS Model: TS21 Wi-Fi / BT Antenna LTE Diversity Antenna LTE Main Antenna GNSS Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 2 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 3 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 4 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 5 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 6 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 7 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 8 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 9 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 10 / 29 Flywire section Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 11 / 29 Two cameras Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 12 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 13 / 29 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 14 / 29

Company: Tersus GNSS Inc. Add: Rm 601, Bldg E2, No. 88, Jinjihu Ave, Suzhou, China Tel: +86-21-50803061 Fax: +86-21-50803061 E-mail: [email protected] Date: 2025-05-14 Attestation Letter FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: The chip GD32F405RGT6 installed in our product GNSS Receive (mod el name: TS21, TS20. FCC ID: 2AMDJ-TS21), only activate: 2.4G Wi-Fi: 2412~2462 MHz(802.11b/g/n20), 2422~2452 MHz(802.11n40) LTE: Band 2/4/5/7/25/38/41(2496-2690 MHz)(TX&RX) 5G Wi-Fi: B1: 5150-525 0 MHz, B4: 5725-5850 MHz (802.11a/ac20/n20/ac40/n40) Classic BT: 2402-2480 MHz UHF: 410-470 MHz The other frequency is disabled by using the software and the end users cannot activate it. Please contact me if there is need for any additional clarification or information. Sincerely, Signature: Printed Name: Chuyang Wang Title: Manager

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 1 / 7 EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS TS21 Radio Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 2 / 7 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 3 / 7 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 4 / 7 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 5 / 7 TS20 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 6 / 7 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA250514001 7 / 7

Company Name: Tersus GNSS Inc. Address: Rm 601, Bldg E2, No. 88, Jinjihu Ave, Suzhou, China Tel: +86-21-50803061 Fax: +86-21-50803061 Email: [email protected] DECLARATION Date: 2025-05-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Tersus GNSS Inc. hereby declare that product name: GNSS Receiver (FCC ID: 2AMDJ-TS21, model name: TS21, TS20) are electrica…

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