2BDE5-T500L5W Long-distance Wireless Data transreceiver Module

T500L Module instruction manual I、platform construction The platform construction method is shown in the figure above 1. The MMCX line conducts the RF signal to the test instrument. 2. Use DC power supply 7.5V current limiting 2A. 3. Connect the DB9 serial cable to the PC. 4. Use the SSCOM serial port test software or other serial port debugging software on the computer (the switch of the test kit should be turned to the position shown in the figure). II、CW mode test instructions and methods （a）mode test operation instruction: Common test commands are as follows: (Baud rate is 115200, and you need to check enter and newline, the command will return PROGRAM OK after success) Prt trimtalk (Switch to trimtalk protocol) prt loralink (Switch to lora link protocol) tx 438.125 (Transmit frequency switched to 438.125Mhz, frequency range 410~470Mhz, interval 25k) rx 438.125 (Receiver frequency switched to 438.125Mhz, frequency range 410~470Mhz, interval 25k) pwr h (using high power 5W) pwr l (using low power 3W) cw on (Start launching) cw off (stop transmitting) （b）CW Pattern test method: 1. Select a protocol 2. Select the transmission frequency 3. Select high and low power 4. Start launching 5.Stop launching. III、Data mode test instructions and methods （a）Data mode test operation instructions: Common test commands are as follows: (Baud rate is 115200, and you need to check enter and newline, the command will return PROGRAM OK after success) Prt trimtalk (Switch to trimtalk protocol) prt loralink (Switch to loralink protocol) tx 438.125 (Transmit frequency switched to 438.125Mhz, frequency range 410~470Mhz, interval 25k) rx 438.125 (Receiver frequency switched to 438.125Mhz, frequency range 410~470Mhz, interval 25k) pwr h (using high power 5W) pwr l (using low power 3W) 0123456789 (Input send data at least 600 bytes) （b） Data pattern test methods 1. Select a protocol 2. Select the transmission frequency 3. Select high and low power 4. Enter send data 0123456789 (at least 600 bytes) 5. Flip the switch downwards 6. Select scheduled sending Note: When switching configurations, you need to stop the transmission first, and then restart the transmission after all information is configured. FCC W ARNING: Any Changes o r modifications not expressly approved by the party responsible for compliance could void t he user' s autho rity to op erate the eq uipment. This device complies with part 15 of the FCC Rules. Operation is su bject to the following two conditions: (1 This device may not cause harmful interference, an d (2 th is device must accept any interference received, including interference that may cause undesired operation. This equipment has bee n tested and found to comply with the lim its for a Class B digital device, pursuant to par t 15 of the FCC Rules. These limits are desig ned to provide reasonable protection against harmful interference in a residential installation. Thi s equipment generates u ses and can radiate radio frequency energy and, if no t install ed and used in accordance with the instructions, ma y cause harmf ul interference to radio communications. However, there is no guarant ee that interference will not occu r in a particu lar installation. If this equipment does cause harmful interference to radio or television reception, which can be det ermi ned by turn ing t he eq uip ment off and on, th e user is encouraged to try to correct the interference by one or more of the follo win g measures: —Reorient or relo cate the recei ving an tenna. —Increase the separati on between the equipment an d receiver. — Connect the equipment into an outle t on a circuit different fr om that to which the receiv er is connected. —Consu lt th e dealer or an ex perienced radio/TV technician for help. FCC RF EXPOSURE STATEMENT: Th is equipment complies with FCC radiation exposure limits set forth for an controlled environment. In tegration instructions for host produ ct man ufacturers according t o KDB 996369 D03 OEM Manual v01 2 .2 List of applicable FCC rules CFR 47 FCC PART 15 SUB PART C/E has been investigated. It is app licable to t he mo dular. 2.3 Specific operational use c ond itions Th is module is stand-alone modular. If the end product will inv olve the Multip le simultaneously transmitting condition or dif ferent operational con dition s for a stand-alone modular transmitter in a host, host manufacturer have to con sult with module manufacturer for the installation meth od in end system. 2.4 Limited mod ule p rocedures Not applicable 2.5 Trace antenna design s Not applicable 2.6 RF exposure considerations To main tain complian ce with FCC’s RF Expo sure guidelines, This equipment should be installed and operated with minimum distance of 30cm from your body. 2.7 Antennas This radio transm itter FCC ID: 2BDE5-T500L has be en approved by Federal Communications Co mmission to op erate wit h th e antenn a types listed belo w, with the maximum permissible gain indicated. Antenna types not included in thi s list that have a gain great er tha n the maximum gain indicated for any type listed are strictly prohibited for use with t his device. No. Antenna Type Antenna GainImpedance Frequency Range 1 external antenna 4 dBi 50Ω 410-470MHz 2.8 Label and compliance information The final end product must be labeled in a visible area with the following " Contains FCC ID: 2BDE5-T500L” 2.9 Information on test modes and additional testing requirements Host manufacturer is strongly recommended to confirm compliance with FCC requirements for the transmitter when the module is installed in the host. 2.10 Additional testing, Part 15 Subpart B disclaimer Host manufacturer is responsible for compliance of the host system with module installed with all other applicable requirements for the system such as Part 15 B

GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Tel.: +8618202733605 E-mail: [email protected] FCC Confidential Authorization Date: 2024-05-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BDE5-T500L In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description • Part list/Tune up Procedure The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Hao Bai Manager

GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Tel.: +8618202733605 E-mail: [email protected] Modular Approval Letter Date: 2024-05-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Application Examiner, We, GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd is submitting this application for certification of product named as 5W Long-distance Wireless Data Transreceiver Module, Model Numbers: T500L (FCC ID: 2BDE5-T500L). It is seeking modular approval. The radio meets the requirements for modular approval as detailed in FCC 15.212. Compliance to each of the requirements is described below: 1. “The modular transmitter must have its own RF shielding.” Yes, it is fulfilled. The radio portion of the module has its own RF shielding. The shielding is installed at the factory. Please see the EUT photos. 2. “The modular transmitter must have buffered modulation/data inputs.” Yes, it is fulfilled. The EUT has buffered data inputs to insure compliance with Part 15 requirements under conditions of excessive data rates or over modulation. Please see the Schematics exhibit. 3. “The modular transmitter must have its own power supply regulation.” Yes, it is fulfilled. The EUT has its own power supply regulation to insure compliance. 4. “The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(c).” Yes. The EUT has External ANT. 5. “The modular transmitter must be tested in a stand-alone configuration.” Yes, it is fulfilled. The EUT was tested in a stand-alone configuration. 6. “The modular transmitter must be labeled with its own FCC ID number.” Yes, it is fulfilled. The module will be labeled with its own FCC ID number. Please see FCC ID label & location exhibit. 7. “The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements.” Yes, it is fulfilled. The necessary explanation to be complied with this requirement is contained in the user manual, and please refer to the User manual. 8. “The modular transmitter must comply with any applicable RF exposure requirements.” Yes, the module is intended to use in distance more that 20cm. FCC RF exposure requirement satisfied with 47CFR §2.1091. Please contact me if you have additional questions. Your attention to this matter is greatly appreciated. Sincerely Yours, Signature Hao Bai Manager

GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Tel.: +8618202733605 E-mail: [email protected] Date: 2024-05-28 Attestation Letter FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Type of Equipment: 5W Long-distance Wireless Data Transreceiver Module Model number: T500L FCC ID: 2BDE5-T500L The product, only support 410-470MHz, for the purpose of marketing, other frequencies has been shielded by software, the end user has no capability to activate it. The prototype supports 12.5KHz, 25kHz channel spacing, FCC only uses 12.5kHz, 25kHz is blocked by software, the end user has no capability to activate it. Sincerely Yours, Signature Hao Bai Manager

GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Tel.: +8618202733605 E-mail: [email protected] Date: 2024-05-28 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Attestation statement regarding the spectrum efficiency Type of Equipment: 5W Long-distance Wireless Data Transreceiver Module Model number: T500L FCC ID: 2BDE5-T500L Dear Sir or Madam We, GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd declare that the time division multiple access (TDMA) technology provides the paths in a 12.5 kHz channel bandwidth. This radio also provides data rate of 9600 bps in a 12.5 kHz channel, thus meeting the minimum data rate of 4800 bps in a 6.25 kHz channel. Please contact the undersigned if you have any questions or need any further information. Sincerely Yours, Signature Hao Bai Manager

GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Tel.: +8618202733605 E-mail: [email protected] Date: 2024-05-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Extended Frequencies Justification Dear Sir/Madam, The Radio with FCC ID: 2BDE5-T500L was designed to operate in the frequency bands 410-470MHz To aid equipment authorization in other countries which accept the United States FCC Grant for Certification, GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd is requesting that the FCC lists the frequencies 410~470 MHz, under FCC Rule Part 90 on the FCC Grant. GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd attests that the radio will not be marketed to USA users with the frequency band which is not allowed by the rule part 90. Per the FCC’s KDB634817 guidance, as an alternative to listing the exact frequencies, we acknowledge that it’s a violation of the FCC Rules if this device operates on unauthorized frequencies. Frequency Range (MHz) FCC Rule Part 410-454 FCC Part 90 456-460 FCC Part 90 460-462.5375 FCC Part 90 462.7375-467.5375 FCC Part 90 467.7375-470 FCC Part 90 Also, equipment programming is the responsibility of Authorized Service Personnel, the radio complies with 47 CFR Part 90.203(e), in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Sincerely Yours, Signature Hao Bai Manager

Report No.: 2405S27918E Page 1 of 4 EUT EXTERNAL PHOTOGRAPHS Report No.: 2405S27918E Page 2 of 4 Report No.: 2405S27918E Page 3 of 4 Report No.: 2405S27918E Page 4 of 4

Project No.: 2405S27918E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925) Project No.: 2405S27918E-RF

Report No.: 2405S27918E Page 1 of 4 EUT INTERNAL PHOTOGRAPHS Report No.: 2405S27918E Page 2 of 4 Report No.: 2405S27918E Page 3 of 4 Report No.: 2405S27918E Page 4 of 4

Report Template: TR-4-E-016/V1.0 RF Exposure Evaluation Report No.: 2405S27918EC Applicant: GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Guangzhou, China, 510700 Product Name: 5W Long Product Model: T500L Multiple Models: N/A Trade Mark: N/A FCC ID: 2BDE5 Standards: 47 CFR §1.13 KDB 447498 D0 Test Date: 2024- Test Result: Complied Report Date: 2024- Reviewed by: Project Engineer World Alliance Testing No. 1002, East Block, Laobing Building, Xingye Road 3012, Xixiang street, Bao'an District, Shenzhen, This report may contain data that are not covered by the NVLAP accreditation and shall be marked with an asterisk “★” Report No.: 16/V1.0 Page 1 of 6 RF Exposure Evaluation Report 2405S27918EC GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Room C401 TOPS Beidou Base No 83 Kaiyuan Guangzhou, China, 510700 5W Long-distance Wireless Data transreceiver Module T500L 2BDE5-T500L 47 CFR §1.1310 KDB 447498 D01 General RF Exposure Guidance v06 -05-29 Complied -06-04 Approved by: Frank Yin Project Engineer Prepared by: World Alliance Testing & Certification (Shenzhen) Co., Ltd No. 1002, East Block, Laobing Building, Xingye Road 3012, Xixiang street, Bao'an District, Shenzhen, Guangdong, People’s Republic of China This report may contain data that are not covered by the NVLAP accreditation and shall be marked with an Report No.: 2405S27918EC Report GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, distance Wireless Data transreceiver Module General RF Exposure Guidance v06 Jacob Kong Manager Certification (Shenzhen) Co., Ltd No. 1002, East Block, Laobing Building, Xingye Road 3012, Xixiang street, Bao'an District, Shenzhen, This report may contain data that are not covered by the NVLAP accreditation and shall be marked with an Report Template: TR-4-E-016/V1.0 1．This test report shall not be reproduced except in Testing & Certification (Shenzhen) Co., Ltd 2. The results in this report apply only to the sample tested. 3. This sample tested is in compliance with the limits of the above regulation. 4. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the 5. The information marked “#” authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. Version No. 00 Report No.: 16/V1.0 Page 2 of 6 Announcement This test report shall not be reproduced except in full, without the written approval of World Alliance Testing & Certification (Shenzhen) Co., Ltd 2. The results in this report apply only to the sample tested. in compliance with the limits of the above regulation. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. Revision History Issued Date Description 2024-06-04 Original Report No.: 2405S27918EC full, without the written approval of World Alliance This report must not be used by the client to claim product certification, approval, or endorsement by is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, Description Original Report Template: TR-4-E-016/V1.0 1 General Information ................................ 1.1 Client Information ................................ 1.2 Product Description of 1.3 Laboratory Location ................................ 2 RF Exposure Evaluation ................................ 2.1 Standard ................................ 2.2 Result................................ Report No.: 16/V1.0 Page 3 of 6 Contents ................................................................................................ ................................................................................................ of EUT ................................................................................................ ................................................................................................ ................................................................................................ ................................................................................................ ................................................................................................................................ Report No.: 2405S27918EC ............................................................ 4 ...................................................... 4 ....................................... 4 ................................................... 4 ..................................................... 5 .................................................................... 5 ......................................... 6 Report Template: TR-4-E-016/V1.0 1 General Information 1.1 Client Information Applicant: GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Manufacturer: GUANGZHOU MERCURY NAVIGATION TECHNOLOGY CO., LTD Address: A403, TOPS Beidou Innovation Base, No.83, Kaiyuan Avenue, Huangpu, Guangzhou, Guangdong, China 1.2 Product Description Sample Serial Number 2KQ8 Sample Received Date 2024 Sample Status Good Condition Frequency Range 410- Rated Output Power # 5Watts Modulation Technology GMSK Antenna Gain # 4dBi Spatial Streams SISO (1TX, 1RX) Power Supply DC 7.5V Adapter Information N/A Modification Sample 1.3 Laboratory Location World Alliance Testing & Certification (Shenzhen) Co., Ltd No. 1002, East Block, Laobing Building, Xingye Road 3012, Xixiang street, Bao'…

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Report No.: 2405S27918EA Report Template: TR-4-E-047/1.0 Page 1 of 29 FCC Test Report Report No.: 2405S27918EA Applicant: GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Product Name: 5W Long-distance Wireless Data transreceiver Module Product Model: T500L Multiple Models: N/A Trade Mark: N/A FCC ID: 2BDE5-T500L Standards: FCC CFR Title 47 Part 90 Test Date: 2024-05-10 to 2024-05-29 Test Result: Complied Issue Date: 2024-06-04 Reviewed by: Approved by: Frank Yin Project Engineer Jacob Kong Manager Prepared by: World Alliance Testing & Certification (Shenzhen) Co., Ltd No. 1002, East Block, Laobing Building, Xingye Road 3012, Xixiang street, Bao'an District, Shenzhen, Guangdong, People’s Republic of China This report may contain data that are not covered by the NVLAP accreditation and shall be marked with an asterisk “★” Report No.: 2405S27918EA Report Template: TR-4-E-047/1.0 Page 2 of 29 Announcement 1. This test report shall not be reproduced except in full, without the written approval of World Alliance Testing & Certification (Shenzhen) Co., Ltd 2. The results in this report apply only to the sample tested. 3. This sample tested is in compliance with the limits of the above regulation. 4. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. 5. The information marked “#” is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. Revision History Version No. Issued Date Description 00 2024-06-04 Original Report No.: 2405S27918EA Report Template: TR-4-E-047/1.0 Page 3 of 29 Contents 1 General Information ............................................................................................................................ 4 1.1 Client Information ...................................................................................................................... 4 1.2 Product Description of EUT ....................................................................................................... 4 1.3 Measurement Uncertainty ......................................................................................................... 4 1.4 Laboratory Location ................................................................................................................... 5 1.5 Test Methodology ...................................................................................................................... 5 2 Description of Measurement .............................................................................................................. 6 2.1 Test Configuration ...................................................................................................................... 6 2.2 Test Auxiliary Equipment ........................................................................................................... 6 2.3 Test Setup .................................................................................................................................. 7 2.4 Test Procedure .......................................................................................................................... 9 2.5 Measurement Method.............................................................................................................. 10 2.6 Measurement Equipment ......................................................................................................... 11 3 Test Results ....................................................................................................................................... 12 3.1 Test Summary .......................................................................................................................... 12 3.2 Limit ......................................................................................................................................... 13 3.3 RF Conducted Test Data ......................................................................................................... 16 3.3.1 RF Output Power ......................................................................................................... 16 3.3.2 Occupied Bandwidth and Emission Mask .................................................................... 18 3.3.3 Spurious Emission at Antenna Terminal ...................................................................... 22 3.3.4 Frequency stability ....................................................................................................... 24 3.3.5 Transient Frequency Behavior ..................................................................................... 25 3.4 Radiated emission Test Data ................................................................................................... 26 4 Test Setup Photo ............................................................................................................................... 28 5 E.U.T Photo ........................................................................................................................................ 29 Report No.: 2405S27918EA Report Template: TR-4-E-047/1.0 Page 4 of 29 1 General Information 1.1 Client Information Applicant: GUANGZHOU GEOSURV INFORMATION TECHNOLOGY Co., Ltd Address: Room C401 TOPS Beidou Base No 83 Kaiyuan Avenue, Guangzhou, China, 510700 Manufacturer: GUANGZHOU MERCURY NAVIGATION TECHNOLOGY CO., LTD Address: A403, TOPS Beidou Innovation Base, No.83, Kaiyuan Avenue, Huangpu, Guangzhou, Guangdong, China 1.2 Product Description of EUT Sample Serial number 2KQ8-2 (assigned by WATC) Sample Received Date 2024-04-30 Sample Status Good Condition Operating Frequency Range 410-470MHz Rated Output Power # 5 Watts, 3 Watts Modulatio…

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Report No.: 2405S27918E Page 1 of 1 TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz Above 1 GHz