2APPUD2100Digital Two-way Radio

D2-100U Digital Two-way Radio User Manual Tel: 888-404-2337 Add: 710 W. Jefferson St. Joliet, IL 60435 Thank you for purchasing our digital portable radio (compatible with analog radio). We believe that the quality and function of this radio will meet your requirements and bring you stable, reliable, clear and high-efficient communication. As a product compliant with the DMR standard, this digital portable radio supports TDMA (direct mode/repeater mode) and is compatible with high-end analog radio (CTCSS/CDCSS). Its ergonomic design and high-quality OLED display make it easy to operate even under strong sunlight. Besides, its digital functions (Digital Noise Reduction, Private Call, Group Call, All Call, Message, Radio Disable, Monitor, Radio Check, Call Alert, etc.) enable you to be responsive to critical situations. Our digital portable radio of this series has 4 programmable keys which can be programmed based on your actual needs (such as VOX/ Scan/ Power Switch/ Zone). Besides, it supports Working Zone Management, Contact, Missed Call/ Incoming Call/ Outgoing Call Management as well as Chinese/ English and Working Status Indication, etc. It enables various functions to be easy to operate and ensures you a smooth and high-efficient communication. Preface 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. NOTE 1: 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, 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. - This radio is designed for and classified as “Occupational/Controlled Use Only”, meaning it must be used only during the course of employment by individuals aware of the hazards, and the ways to minimize such hazards; NOT intended for use in an General population /uncontrolled environment. - DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may also cause you to exceed RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use with this radio. - DO NOT transmit for more than 50% of total radio use time, more than 50% of the time can cause RF exposure compliance requirements to be exceeded. - This transmitter may operate with the antenna(s) documented in this filing in Push-to-Talk and body-worn configurations. RF exposure compliance is limited to the specific belt-clip and accessory configurations as documented in this filing and the separation distance between user and the device or its antenna shall be at least 2.5 cm. FCC Statement Contents Product Inspection Radio Overview Radio Controls Programmable Key Preparing Your Radio for Use Charging the Battery Attaching the Accessories Status Indicators LCD Icons LED Indicator Basic Operations Turning On/Off the Radio Adjusting the Volume Selecting a Zone Selecting a Channel Digital/Analog Switch Keypad Lock/Unlock Voice Calls Transmitting a Private Call Transmitting a Group Call Transmitting an All Call Receiving and Responding to Voice Calls Making a Call on Analog Channels Menu Navigation Message Contact Call Logs Scan Programme Settings Zone Functions and Operations Scan Squelch Off Emergency Alarm Troubleshooting Care and Maintenance Service and Support Optional Accessories 01 02 02 03 04 04 05 06 06 06 07 07 07 07 07 08 08 08 08 09 09 09 09 10 10 11 11 12 12 13 14 15 15 15 15 17 18 19 21 .......................................................................................... ............................................................................................. ....................................................................................... ................................................................................. ........................................................................... ................................................................................. ........................................................................ .......................................................................................... ............................................................................................. .......................................................................................... .......................................................................................... ........................................................................... .............................................................................. .................................................................................... .........................…

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External Photos of the EUT

Internal Photos of the EUT

Page: 1 of 28 TEST REPORT Report No. ....................................... : CHTEW21040107 Report verificaiton: Project No. ...................................... : SHT2101077002EW FCC ID ............................................. : 2APPUD2100 Applicant’s name ........................... : A Beep, LLC Address ............................................ : 710 W JEFFERSON ST,Joliet, IL, 60435,United States Test item description ..................... : Digital Two-way Radio Trade Mark ....................................... : Model/Type reference ...................... : D2-100U Listed Model(s) ................................ : - Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1, 1999 Edition IEEE 1528: 2013 Date of receipt of test sample.........: Feb.20, 2021 Date of testing.............................: Feb.20, 2021-Apr.20, 2021 Date of issue...............................: May.19, 2021 Result .................. ........................: PASS Compiled by ( position+printed name+signature) . : File administrators: Fanghui Zhu Supervised by ( position+printed name+signature) . : Test Engineer: Patrick Qiu Approved by ( position+printed name+signature) . : Manager: Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................ : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW21040107 Page: 2 of 28 Issued: 2021-05-19 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. Statement of Compliance 3 2. Test Standards and Report version 4 2.1. Test Standards 4 2.2. Report version 4 3. Summary 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Test frequency list 6 3.5. Testing Laboratory Information 7 3.6. Environmental conditions 7 4. Equipments Used during the Test 8 5. Measurement Uncertainty 9 6. SAR Measurements System Configuration 10 6.1. SAR Measurement Set-up 10 6.2. DASY5 E-field Probe System 11 6.3. Phantoms 12 6.4. Device Holder 12 7. SAR Test Procedure 13 7.1. Scanning Procedure 13 7.2. Data Storage and Evaluation 15 8. Position of the wireless device in relation to the phantom 17 8.1. Front-of-face 17 8.2. Body Position 17 9. Dielectric Property Measurements & System Check 18 9.1. Tissue Dielectric Parameters 18 9.2. SAR System Validation 19 9.3. System Check 20 10. SAR Exposure Limits 23 11. Conducted Power Measurement Results 24 12. Maximum Tune-up Limit 25 13. SAR Measurement Results 26 14. Test Setup Photos 28 15. External and Internal Photos of the EUT 28 Report No.: CHTEW21040107 Page: 3 of 28 Issued: 2021-05-19 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions TNF Head(Dist.= 25mm) 3.351 Body-worn(Dist.= 0mm) 7.749 This device is in compliance with Specific Absorption Rate (SAR) for occupational/controlled exposure limits (8 W/kg) specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2013 and FCC KDB publications. Report No.: CHTEW21040107 Page: 4 of 28 Issued: 2021-05-19 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency Radiation Exposure Evaluation:Portable Devices IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz KDB 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies KDB 643646 D01:SAR Test for PTT Radios v01r03: SAR Test Reduction Considerations for Occupational PTT Radios TCB workshop: April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2. Report version Revision No. Date of issue Description N/A 2021-05-19 Original Report No.: CHTEW21040107 Page: 5 of 28 Issued: 2021-05-19 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3. Summary 3.1. Client Information Applicant: A Beep, LLC Address: 710 W JEFFERSON ST,Joliet, IL, 60435,United States Manufacturer: A Beep, LLC Address: 710 W JEFFERSON ST,Joliet, IL, 60435,United States Factory: Shenzhen HQT Science & Technology Co., Ltd. Address: Room 1705 & 1706, 17th Floor, Weisheng Technology Building, No.9966, Shennan Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen City,China 3.2. Product Description Main unit Name of EUT: Digital Two-way Radio Trade mark: Model/Type reference: D2-100U Listed model(s): - Device Category: Portable RF Exposure Envi…

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Page: 1 of 42 TEST REPORT Report No. ....................................... : CHTEW21030038 Report verification: Project No. ................................. : SHT2101077001EW FCC ID ............................................. : 2APPUD2100 Applicant’s name ........................... : A Beep, LLC Address ............................................ : 710 W JEFFERSON ST,Joliet, IL, 60435,United States Test item description ..................... : Digital Two-way Radio Trade Mark ....................................... : Model/Type reference ...................... : D2-100U Listed Model(s) ................................. : - Standard .......................................... : FCC CFR Title 47 Part 90 Date of receipt of test sample.........: Feb.20, 2021 Date of testing.............................: Feb.20, 2021- Mar.05, 2021 Date of issue...............................: Mar.08, 2021 Result ................. ........................: PASS Compiled by (Position - Printed name - Signature): File administrators Echo Wei Supervised by (Position - Printed name - Signature): Project Engineer Aaron Fang Approved by (Position - Printed name - Signature): RF Manager Hans Hu Testing Laboratory Name .............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................ : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW21030038 Page: 2 of 42 Issued: 2021-03-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1 T E S T S T A N D A R D S A N D RE P O R T V E R S I O N 3 1.1. Test Standards 3 1.2. Report revised information 3 2 T E S T D E S C R I P T I O N 4 3 S U M M A R Y 5 3.1 Client Information 5 3.2 Product Description 5 3.3 Radio Specification Description 6 3.4 Testing Laboratory Information 6 4 T E S T C O N F I G U R A T I O N 7 4.1 Test frequency list 7 4.2 Operation mode 7 4.3 Support unit used in test configuration and system 8 4.4 Environmental conditions 9 4.5 Measurement uncertainty 9 4.6 Equipments Used during the Test 10 5 T E S T C O N D I T I O N S A N D R E S U L T S 12 5.1 Conducted Carrier Output Power 12 5.2 99% Occupied Bandwidth & 26dB Bandwidth 13 5.3 Emission Mask 15 5.4 Modulation Limit 17 5.5 Audio Frequency Response 18 5.6 Frequency stability VS Temperature 20 5.7 Frequency stability VS Voltage 21 5.8 Transmitter Frequency Behavior 22 5.9 Transmit Conducted Spurious Emission 24 5.10 Transmitter Radiated Spurious Emission 25 6 T E S T S E T U P P H O T O S 34 7 E X T E R N A L A N D I N T E R N AL P H O T O S 36 7.1 External Photos of the EUT 36 7.2 Internal Photos of the EUT 40 8 A P P E N D I X R E P O R T 42 Report No.: CHTEW21030038 Page: 3 of 42 Issued: 2021-03-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1 TEST STANDARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: FCC Rules Part 2: Frequency allocations and radio treaty matters; General rules and regulations FCC Rules Part 90: Private land mobile radio services. ANSI C63.26-2015: American National Standard for Compliance Testing of Transmitters Used in Licensed Radio Services ANSI/TIA-603-E(2016): Land Mobile FM or PM Communications Equipment and Performance Standards ANSI C63.4-2014: American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz 1.2. Report revised information Revised No. Date of issued Description N/A 2021-03-08 Original Report No.: CHTEW21030038 Page: 4 of 42 Issued: 2021-03-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2 TEST DESCRIPTION Test Item Section in CFR 47 Result Test Engineer Conducted Carrier Output Power Part 90.205 Part 2.1046(a) Pass Zijian Li 99% Occupied Bandwidth & 26dB bandwidth Part 90.209 & 210 Part 2.1049 Pass Zijian Li Emission Mask Part 90.209 & 210 Part 2.1049 Pass Zijian Li Modulation Limit Part 2.1047(b) Pass Zijian Li Audio Frequency Response Part 2.1047(a) Pass Zijian Li Frequency Stability VS Temperature Part 90.213 Part 2.1055 Pass Zijian Li Frequency Stability VS Voltage Part 90.213 Part 2.1055 Pass Zijian Li Transient Frequency Behavior Part 90.214 Pass Zijian Li Transmit Conducted Spurious Emission Part 90.210 Part 2.1051 Pass Zijian Li Transmit Radiated Spurious Emission Part 90.210 Part 2.1053 Pass Jian Li Report No.: CHTEW21030038 Page: 5 of 42 Issued: 2021-03-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3 SUMMARY 3.1 Client Information Applicant: A Beep, LLC Address: 710 W JEFFERSON ST,Joliet, IL, 60435,United States Manufacturer: A Beep, LLC Address: 710 W JEFFERSON ST,Joliet, IL, 60435,United States Factory: Shenzhen HQT Science & Technology Co., Ltd. Address: Room 1705 & 1706, 17th Floor, Weisheng Technology Building, No.9966, Shennan Road, Maling Community, Yuehai Sub-district, Nanshan District, Shenzhen City,China 3.2 Product Description Name of EUT: Digital Two-way Radio Trade mark: Model/Type reference: D2-100U Listed model(s): - Power supply: DC 7.4V Battery information: Model: D2-100-Bat DC7.4V 1600mAh Charger information: Model: D2-100-Charger Input: 12Vd.c.,1000mA Output: 500mA Adapter information: Model: BYX-…

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Appendix Report FCC PART 90 Test Form QRE315 V 3.1 (2019-11) Appendix clause Test Result (PASS/FAIL) APASS BPASS CPASS DPASS EPASS FPASS GPASS HPASS IPASS Auditor YPHT21010770005 Model No. DH-2880 2021/3/2 Finish date 2021/3/3 Frequency Stability Test & Temperature Frequency Stability Test & Voltage Test sample No. Start test date Emission Mask 49% Test Item Test date （M/D) Maximum Transmitter Power Temperature 22.3°C Humidity Test Engineer Project No. SHT2101077001EW 3/2 Transmitter Frequency Behavior Spurious Emission On Antenna Port 3/3 3/3 3/2 3/2 3/2 3/2 3/3 3/3 Modulation Limit Audio Frequency Response Occupied Bandwidth Appendix Page:1 of 21 Project No.:SHT2101077001EW Appendix A:Maximum Transmitter Power Operation Mode Modulation Type Test Channel Measured Power(dBm) Measured Power(W) Rated Power(W) Percentage (%) Limit (%)Result TX-DNH4FSK CH L 36.304.2665.00-14.68±20PASS TX-DNH4FSK CH M 36.504.4675.00-10.66±20PASS TX-DNH4FSK CH H 36.104.0745.00-18.52±20PASS TX-DNL4FSK CH L 30.101.0231.002.33±20PASS TX-DNL4FSK CH M 30.601.1481.0014.82±20PASS TX-DNL4FSK CH H 30.201.0471.004.71±20PASS TX-ANHFM CH L 36.904.8985.00-2.04±20PASS TX-ANHFM CH M 36.804.7865.00-4.27±20PASS TX-ANHFM CH H 36.664.6345.00-7.31±20PASS TX-ANLFM CH L 30.121.0281.002.80±20PASS TX-ANLFM CH M 30.601.1481.0014.82±20PASS TX-ANLFM CH H 30.391.0941.009.40±20PASS Appendix Page:2 of 21 Project No.:SHT2101077001EW Appendix B:Occupied Bandwidth 99%(kHz)26dB(kHz) TX-DNH4FSK CH L 5.9448.621 ≤11.25 PASS TX-DNH4FSK CH M 6.2448.764 ≤11.25 PASS TX-DNH4FSK CH H 6.2448.792 ≤11.25 PASS TX-DNL4FSK CH L 6.0448.397 ≤11.25 PASS TX-DNL4FSK CH M 5.7948.205 ≤11.25 PASS TX-DNL4FSK CH H 5.9448.610 ≤11.25 PASS TX-ANHFM CH L 5.24510.157 ≤11.25 PASS TX-ANHFM CH M 5.24510.137 ≤11.25 PASS TX-ANHFM CH H 5.24510.146 ≤11.25 PASS TX-ANLFM CH L 5.19510.121 ≤11.25 PASS TX-ANLFM CH M 5.24510.173 ≤11.25 PASS TX-ANLFM CH H 5.19510.092 ≤11.25 PASS Operation Mode Test Channel Occupied Bandwidth 99% Limit(kHz) Result Modulation Type Appendix Page:3 of 21 Project No.:SHT2101077001EW Appendix B:Occupied Bandwidth Operation Mode Modulation Type Test Channel TX-DNH4FSK CH L TX-DNH4FSK CH M TX-DNH4FSK CH H TEST PLOT RESULT Appendix Page:4 of 21 Project No.:SHT2101077001EW Appendix B:Occupied Bandwidth Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-DNL4FSK CH L TX-DNL4FSK CH M TX-DNL4FSK CH H Appendix Page:5 of 21 Project No.:SHT2101077001EW Appendix B:Occupied Bandwidth Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-ANHFM CH L TX-ANHFM CH M TX-ANHFM CH H Appendix Page:6 of 21 Project No.:SHT2101077001EW Appendix B:Occupied Bandwidth Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-ANLFM CH L TX-ANLFM CH M TX-ANLFM CH H Appendix Page:7 of 21 Project No.:SHT2101077001EW Appendix C:Emission Mask Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-DNH4FSK CH L TX-DNH4FSK CH M TX-DNH4FSK CH H Appendix Page:8 of 21 Project No.:SHT2101077001EW Appendix C:Emission Mask Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-DNL4FSK CH L TX-DNL4FSK CH M TX-DNL4FSK CH H Appendix Page:9 of 21 Project No.:SHT2101077001EW Appendix C:Emission Mask Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-ANHFM CH L TX-ANHFM CH M TX-ANHFM CH H Appendix Page:10 of 21 Project No.:SHT2101077001EW Appendix C:Emission Mask Operation Mode Modulation Type Test Channel TEST PLOT RESULT TX-ANLFM CH L TX-ANLFM CH M TX-ANLFM CH H Appendix Page:11 of 21 Project No.:SHT2101077001EW Appendix D:Modulation Limit 300Hz1004Hz1500Hz2500 Hz TX-ANHFM CH M -200.1090.2160.2920.4362.5PASS TX-ANHFM CH M -150.1470.3340.4560.7072.5PASS TX-ANHFM CH M -100.1920.5290.7591.2142.5PASS TX-ANHFM CH M -50.2830.8941.3101.7522.5PASS TX-ANHFM CH M 00.4491.5481.7401.8802.5PASS TX-ANHFM CH M 50.7551.6581.8141.9052.5PASS TX-ANHFM CH M 101.2951.7911.8381.9912.5PASS TX-ANHFM CH M 151.7471.8471.8472.0362.5PASS TX-ANHFM CH M 201.8931.8531.8672.0302.5PASS Limit (kHz) Result Operation Mode Modulation Type Test Channel Modulation Level (dB) Peak frequency deviation (kHz) Appendix Page:12 of 21 Project No.:SHT2101077001EW Appendix D:Modulation Limit TEST PLOT RESULT 0 0.5 1 1.5 2 2.5 3 -20-15-10-505101520 Modulation Limit for 12.5KHz Limit (kHz) 300Hz 1004Hz 1500Hz 2500 Hz Modulation Level (dB) Peak Deviation Appendix Page:13 of 21 Project No.:SHT2101077001EW Appendix E:Audio Frequency Response Operation Mode Modulation Type Test Channel Frequency (Hz) Audio Frequency Response (dB) Lower LimitUpper LimitResult TX-ANHFM CH M 100-26.08PASS TX-ANHFM CH M 200-25.00PASS TX-ANHFM CH M 300-11.38-17.84-9.42PASS TX-ANHFM CH M 400-8.99-12.86-6.93PASS TX-ANHFM CH M 500-7.09-9.00-5.00PASS TX-ANHFM CH M 600-5.19-7.42-3.42PASS TX-ANHFM CH M 700-3.56-6.09-2.09PASS TX-ANHFM CH M 800-2.20-4.93-0.93PASS TX-ANHFM CH M 900-1.00-3.910.09PASS TX-ANHFM CH M 10000.01-3.001.00PASS TX-ANHFM CH M 12001.62-1.422.58PASS TX-ANHFM CH M 14002.94-0.093.91PASS TX-ANHFM CH M 16004.011.075.07PASS TX-ANHFM CH M 18004.972.096.09PASS TX-ANHFM CH M 20005.883.007.00PASS TX-ANHFM CH M 21006.263.427.42PASS TX-ANHFM CH M 22006.553.837.83PASS TX-ANHFM CH M 23006.804.218.21PASS TX-ANHFM CH M 24006.984.588.58PASS TX-ANHFM CH M 25007.104.938.93PASS TX-ANHFM CH M 26007.194.599.27PASS TX-ANHFM CH M 27007.224.279.60PASS TX-ANHFM CH M 28007.213.959.91PASS TX-ANHFM CH M 29007.113.6510.22PASS TX-ANHFM CH M 30006.643.3510.51PASS TX-ANHFM CH M 3500-8.59PASS TX-ANHFM CH M 4000-26.67PASS TX-ANHFM CH M 4500-26.56PASS TX-ANHFM CH M 5000-26.17PASS Appendix Page:14 of 21 Project No.:SHT2101077001EW Appendix E:Audio Frequency Response TEST PLOT RESULT Note: The highest audio frequency response at 3kHz<3.125kHz, so meet the requirement. -25.00 -20.00 -15.00 -10.00 -5.00 0.00 5.00 10.00 15.00 100100010000 RESPONSE ATTENUATION (dB) FREQUENCY (Hz) Aduio Frequecncy Response For 12.5kHz Audio Frequency Response (dB) Upper Limit Lower Limit Appendix Page:15 of 21 Project No.:SHT2101077001EW Appendix F:Frequency Stabilit…

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TEST SETUP PHOTOS