2AK5E-11061519Remote control wireless

1 1 Remote Scan Control 1Remote Scan Control The main interaction device in the examination room is the Remote Scan Control (RSC). WARNING Wrong handling of batteries! Electric shock or burn from high short-circuit current. ◆ Observe proper precautions. ◆ Servicing should be performed by qualified service personnel knowledgeable of batteries and required precautions. ◆ Keep unauthorized personnel away from batteries. A wired RSC is a standard configuration and is connected via a cable to the system. Optionally, you can also have a wireless one. The RSC can be put on or taken off from the cradle on the gantry. 1 (1)Cradle for Remote Scan Control To avoid unintended activation of any key, the RSC is designed with a dead man's switch. This switch needs to be activated to enable any of the other keys on the device. The dead man's switch is activated when the user holds the RSC or the RSC is placed on the cradle of the gantry. In other situations, the switch is deactivated. Do not place the Remote Scan Control on the patient or the patient table! 2 1 Remote Scan Control 1.1Wireless Remote Scan Control (1)START key: Press this key to trigger a scan (not active if neither an in-room monitor nor a tablet is installed). The X-ray indicator is illuminated when ready for a scan or during the scan. (2)Feed Up key: Press this key to move the patient table up (not active if the table does not support this motion). (3)Feed Out key: Press this key to move the patient table out of the gantry. (4)Feed Down key: Press this key to move the patient table down (not active if the table does not support this motion). (5)Unload key: Use this key to unload a patient. (6)Low battery indicator (7)Pairing label: Identical labels on the wireless RSC and the gantry enable you to identify if they are paired to function together. (8)Out of Range indicator (9)Light Marker key: Press this key to turn on or off the light marker (10)Feed In key: Press this key to move the patient table into the gantry. (11)MOVE key: Press this key to move the table to the preselected scanning position or tilt the gantry to the next measuring position. (12)Suspend key: Press this key to hold the scan procedure. This is the preferred method for interrupting a scan before completion. You should not use the STOP key for this purpose. With a wireless RSC, you can unload a patient from within the gantry while moving from the control room to the examination room. You can put the wireless RSC in your pocket with the clip on the back. The wireless RSC is limited to certain operating range. The Out of Range indicator blinks when you are at the limit of the operating range. And it turns to red when you are out of the operating range. The connection is turned off. 3 1 Remote Scan Control 1.1.1Remote control wireless receiver The Remote Control wireless receiver is a device which is installed in CT gantry. It can be connected to the remote control wireless via bluetooth and also can be connected with CT system via CAN bus. The wireless Remote Control receiver contains a PCB board and a wireless transmitter. The RF module used in device is TI CC2540 that is BLE 4.0 technology. The Remote Control wireless receiver is located inside the CT gantry. (1)Position of RMC wireless receiver (2)Position of nuts 4 1 Remote Scan Control 1.1.2Legal statements This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: •This device may not cause harmful interference, and • This device must accept any interference received, including interference that may cause undesired operation. This product 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 product 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 product 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. Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: • This device may not cause interference. •This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : • L’appareil ne doit pas produire de brouillage. • L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. For users in Brazil, read the following information regarding the wireless RSC and the wireless RSC receiver: Este equipamento opera em caráter secundário, isto é, não tem direito a proteção contra interferência prejudicial, mesmo de estações do mesmo tipo, e não pode causar interferência a sistemas operando em caráter primário…

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Siemens Shanghai Medical Equipment Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: United Consulting Technology Services Co., Ltd. FRN : 0033495714 Contact Name: Davi d Wu Street Address: 17800 CASTLETON ST STE 665 CITY OF INDUSTRY City/Province/Zip: CA 91748 Telephone No: (626) 217-4022 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accept ed the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant not ed belo w. U.S. Agent Signature: Date: 2023-05-23 Signed by (Printed Name/Title): DavidWu/CEO The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Siemens Shanghai Medical Equipment Ltd. Grantee Code: 2AK5E FCC ID: 2AK5E-11061519 Contact Name: Hongzhang Li Street Address: 278 Zhou Zhu Road, City/Province/Zip: Shanghai 201318, China Telephone No: +86 (21) 38891981 Email: [email protected] Applicant Signature: Date: 2023-05-16 Signed by (Printed Name/Title): Hongzhang Li

Applicant Declaration QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 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 Siemens Shanghai Medical Equipment Ltd. Address 278 Zhou Zhu Road, Shanghai 201318, China Grantee Code 2AK5E FCC ID 2AK5E-11061519 Authorized Contact Name Hongzhang Li Contact Email [email protected] Contact Phone +86 (21) 38891981 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.(TCB) terms and conditions. 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 Siemens Shanghai Medical Equipment Ltd. (“the applicant”) certifies that 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. Siemens Shanghai Medical Equipment Ltd. (“the applicant”) certifies that, 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. Applicant Signature: Date: 2023.03.20 Print Name: Hongzhang Li Title: System engineer *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Letter of to Our reference Siemens Shanghai Medical Equipment Ltd. 278 Zhou Zhu Road Pu Dong New Area, Shanghai P.R. China, 201318 Tel.: +86(21)38895000 Fax: +86 (21) 38895001 siemens.com/healthcare Date: March 20,2023 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: 2AK5E-11061519 To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not 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. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Siemens Shanghai Medical Equipment Ltd. This authorization is valid until further written notice from the applicant. Name (Printed): Hongzhang Li Title: System engineer Signature: On behalf of Company: Siemens Shanghai Medical Equipment Ltd. Telephone: +86 (21) 38891981

Letter of to Our reference Siemens Shanghai Medical Equipment Ltd. 278 Zhou Zhu Road Pu Dong New Area, Shanghai P.R. China, 201318 Tel.: +86(21)38895000 Fax: +86 (21) 38895001 siemens.com/healthcare To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Siemens Shanghai Medical Equipment Ltd. 278 Zhou Zhu Road Shanghai 201318 China Regarding: Confidentiality Request regarding application for FCC ID: 2AK5E-11061519 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions 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. Sincerely, Signature: Hongzhang Li System engineer Siemens Shanghai Medical Equipment Ltd.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 4 External Photos for SHCR2302000316ME SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 4 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 4 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 4 of 4

Remark:It’s hard to put FCC statement on the product due to device’s irregular appearance. FCC statement will be placed in the user manual which the device is marketed. FCC ID: 2AK5E-11061519 IC: 22421-11061519 CAN ICES-3 (B)/NM-3(B) Model Number: 11061519

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 6 Internal Photos for SHCR2302000316ME SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 6 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 6 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 4 of 6 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 5 of 6 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 6 of 6

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 1 of 8 Parlam Zhan Laboratory Manager 1 Cover Page RF Exposure Evaluation Report Application No.: SHCR2302000316ME FCC ID: 2AK5E-11061519 IC: 22421-11061519 Applicant: Siemens Shanghai Medical Equipment Ltd. Address of Applicant: No.278 Zhou Zhu Rd. Pudong New Area, Shanghai P.R. China Manufacturer: Siemens Shanghai Medical Equipment Ltd. Address of Manufacturer: No.278 Zhou Zhu Rd. Pudong New Area, Shanghai P.R. China Factory: Shenyang Torch-Bigtide Digital Technology Co., Ltd Address of Factory: No.18-6B, Yaoyang Road, Huishan Econmonic Development Area, Shenbei New District, Shenyang, China Equipment Under Test (EUT): EUT Name: Remote control wireless Model No.: 11061519 Standard(s) : FCC Rules 47 CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 RSS-102 Issue 5 Amendment 1 (February 2, 2021) Date of Receipt: 2023-02-20 Date of Test: 2023-02-21 to 2023-03-09 Date of Issue: 2023-04-03 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 2 of 8 Revision Record Version Description Date Remark 00 Original 2023-04-03 / Authorized for issue by: Wade Zhang/Project Engineer Parlam Zhan /Reviewer SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 3 of 8 2 Contents Page 1 COVER PAGE .......................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION ..................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T. ..................................................................................................... 4 3.2 DETAILS OF E.U.T. ............................................................................................................................. 4 3.3 TEST LOCATION.................................................................................................................................. 5 3.4 TEST FACILITY .................................................................................................................................... 5 4 TEST STANDARDS AND LIMITS .......................................................................................................... 6 4.1 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS ....................................................................... 6 4.2 IC RADIOFREQUENCY RADIATION EXPOSURE LIMITS ........................................................................... 7 5 MEASUREMENT AND CALCULATION ................................................................................................ 8 5.1 MAXIMUM TRANSMIT POWER ............................................................................................................... 8 5.2 RF EXPOSURE CALCULATION ............................................................................................................. 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 4 of 8 3 General Information 3.1 General Description of E.U.T. Power supply: DC 3V S/N: 232003S Firmware Version: 00 Product Type: Portable device Mobile device Fixed device 3.2 Details of E.U.T. Bluetooth Version: V4.0 LE Operation Frequency: 2402MHz to 2480MHz Modulation Type: GFSK Date Rate: 1Mbps Number of Channels: 40 Channel Spacing: 2MHz Antenna Type: PCB Antenna Antenna Gain: 5.3dBi (Provided by manufacturer) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 5 of 8 3.3 Test Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China. Tel: +86 21 6191 5666 Fax: +86 21 6191 5678 No tests were sub-contracted. Note: 1. SGS is not responsible for wrong test results due to incorrect information (e.g. max. clock frequency, highest internal frequency, antenna gain, cable loss, etc ) is provided by the applicant. (if applicable). 2. SGS is not responsible for the authenticity, integrity and the validity of the conclusion based on results of the data provided by applicant. (if applicable). 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • A2LA (Certificate No. 6332.01) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. is accredited by the American Association for Laboratory Accreditation(A2LA). • FCC (Designation Number: CN1301) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been recognized as an accredited testing laboratory. • ISED (CAB Identifier: CN0020) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. EMC Laboratory has been recognized by Innovation, Science and Economic Development Canada (ISED) as an accredited testing laboratory. Company Number: 8617A • VCCI (Member No.: 3061) The 3m Semi-anechoic chamber and Shielded Room of SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-13868, C-14336, T-12221, G-10830 respectively. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031602 Page: 6 of 8 4 Test Standards and Limits 4.1 FCC Radiofrequency radiation exposure limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max power of channel)/(min test separation distance)]*[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10- g extremity SAR, where • f(GHz) is the RF channel transmit frequency…

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031601 Page: 1 of 51 Parlam Zhan Laboratory Manager TEST REPORT Application No.: SHCR2302000316ME FCC ID: 2AK5E-11061519 IC: 22421-11061519 Applicant: Siemens Shanghai Medical Equipment Ltd. Address of Applicant: No.278 Zhou Zhu Rd. Pudong New Area, Shanghai P.R. China Manufacturer: Siemens Shanghai Medical Equipment Ltd. Address of Manufacturer: No.278 Zhou Zhu Rd. Pudong New Area, Shanghai P.R. China Factory: Shenyang Torch-Bigtide Digital Technology Co., Ltd Address of Factory: No.18-6B, Yaoyang Road, Huishan Econmonic Development Area, Shenbei New District, Shenyang, China Equipment Under Test (EUT): EUT Name: Remote control wireless Model No.: 11061519 Standard(s) : 47 CFR Part 15, Subpart C 15.247 RSS-247 Issue 2, February 2017 RSS-Gen Issue 5 Amendment 2 (February 2021) Date of Receipt: 2023-02-20 Date of Test: 2023-02-21 to 2023-03-09 Date of Issue: 2023-04-03 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031601 Page: 2 of 51 Revision Record Version Description Date Remark 00 Original 2023-04-03 / Authorized for issue by: Wade Zhang/Project Engineer Parlam Zhan/Reviewer SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031601 Page: 3 of 51 2 Test Summary Radio Spectrum Technical Requirement Item FCC Requirement IC Requirement Method Result Antenna Requirement 47 CFR Part 15, Subpart C 15.203 & 15.247(c) RSS-Gen Clause 6.8 N/A Customer Declaration N/A: Not applicable Radio Spectrum Matter Part Item FCC Requirement IC Requirement Method Result Minimum 6dB Bandwidth 47 CFR Part 15, Subpart C 15.247a(2) RSS-247 Clause 5.2(a) ANSI C63.10 (2013) Section 11.8.1 Pass Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247(b)(3) RSS-247 Clause 5.4(d) ANSI C63.10 (2013) Section 11.9.1 Pass Power Spectrum Density 47 CFR Part 15, Subpart C 15.247(e) RSS-247 Clause 5.2(b) ANSI C63.10 (2013) Section 11.10.2 Pass Conducted Band Edges Measurement 47 CFR Part 15, Subpart C 15.247(d) RSS-247 Clause 5.5 ANSI C63.10 (2013) Section 11.13.3.2 Pass Conducted Spurious Emissions 47 CFR Part 15, Subpart C 15.247(d) RSS-247 Clause 5.5 ANSI C63.10 (2013) Section 11.11 Pass Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.209 & 15.247(d) RSS-247 Section 3.3 & RSS-Gen Section 8.9 ANSI C63.10 (2013) Section 6.10.5 Pass Radiated Spurious Emissions 47 CFR Part 15, Subpart C 15.209 & 15.247(d) RSS-247 Section 3.3 & RSS-Gen Section 8.9 ANSI C63.10 (2013) Section 6.4,6.5,6.6 Pass 99% Bandwidth - RSS-Gen Section 6.7 ANSI C63.10 Section 6.9.3 Pass SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHCR230200031601 Page: 4 of 51 3 Contents Page 1 COVER PAGE ..................................................................................................................................... 1 2 TEST SUMMARY ................................................................................................................................. 3 3 CONTENTS ......................................................................................................................................... 4 4 GENERAL INFORMATION .................................................................................................................. 6 4.1 DETAILS OF E.U.T. ......................................................................................................................... 6 4.2 DESCRIPTION OF SUPPORT UNITS .................................................................................................... 6 4.3 POWER LEVEL SETTING USING IN TEST: ............................................................................................. 6 4.4 MEASUREMENT UNCERTAINTY & DECISION RULE............................................................................... 7 4.5 TEST LOCATION ............................................................................................................................. 7 4.6 TEST FACILITY ............................................................................................................................... 8 4.7 DEVIATION FROM STANDARDS ......................................................................................................... 8 4.8 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................. 8 5 EQUIPMENT LIST ............................................................................................................................... 9 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ............................................................................10 6.1 ANTENNA REQUIREMENT ................................................................................................................10 6.1.1 Test Requirement: ..................................................................................................................10 6.1.2 Conclusion ..............................................................................................................................10 7 RADIO SPECTRUM MATTER TEST RESULTS .................................................................................11 7.1 CONDUCTED PEAK OUTPUT POWER ................................................................................................11 7.1.1 E.U.T. Operation .....................................................................................................................11 7.1.2 Test Mode Description ............................................................................................................11 7.1.3 Test Setup Diagram ................................................................................................................12 7.1.4 Measurement Procedure and Data ...........................................…

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Application Note AN043 Small Size 2.4 GHz PCB antenna By Audun Andersen 1 KEYWORDS • CC25xx • CC24xx • CC2480 • PCB antenna • USB dongle • 2.4 GHz • Inverted F Antenna 2 INTRODUCTION The PCB antenna used on the CC2511 USB dongle reference design is described in this application note. Even if the antenna presented is for a USB dongle design it can be used in all 2.4 GHz designs, especially where small space is required for the antenna. This application note describes the antenna dimensions, the RF performance and considerations for complying with regulatory limits when using this design. The suggested antenna design requires no more than 15.2 x 5.7 mm of space and ensures a VSWR ratio of less than 2 across the 2.4 GHz ISM band when connected to a 50 ohm source. Figure 1: CC2511 USB Dongle SWRA117D Page 1 of 21 Application Note AN043 Table of Contents 1 KEYWORDS ................................................................................................................... 1 2 INTRODUCTION............................................................................................................. 1 3 ABBREVIATIONS........................................................................................................... 2 4 ANTENNA DESIGN ........................................................................................................ 3 4.1 DESIGN GOALS.......................................................................................................... 3 4.2 SIMULATION............................................................................................................... 3 4.3 LAYOUT AND IMPLEMENTATION................................................................................... 4 5 TEST RESULTS ............................................................................................................. 5 5.1 REFLECTION.............................................................................................................. 5 5.2 RADIATION PATTERN.................................................................................................. 7 5.3 OUTPUT POWER...................................................................................................... 15 5.4 SPURIOUS EMISSION AND HARMONICS...................................................................... 17 6 CONCLUSION .............................................................................................................. 20 7 GENERAL INFORMATION .......................................................................................... 21 7.1 DOCUMENT HISTORY................................................................................................ 21 3 ABBREVIATIONS CAD CC24xx CC25xx CC2480 IFA ISM LOS PCB PER VSWR Computer Aided Des ign CC2400, CC2420, CC2430 and CC2431 CC2500, CC2510, CC2511, CC2540, CC2550 and CC2520 Z-Accel ZigBee Processor Inv erted F Antenna In…

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