VSODX-5400Digital 5W Portable Radio

DX-5000 Series User Manual Version #1 (2020-12-28) Yeon Hwa M Tech Co. Yeonhwa M Tech Co.,Ltd. 36, Jeonpa-ro 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, 14086, Korea Tel : 82-70-7436-3296 / E-mail : [email protected] Web : www.xradio.co.kr VHF Transceiver DX-5100 DX-5200 UHF Transceiver DX-5400 2 1. Features of DX-5000 series DX-5000 series is a digital radio that is designed to be convenient to use and is ergonomically designed to be comfortable to grip for hands. It has been developed for public facilities for safety services such as the military, fire department, construction site, industrial site, various event halls, and supermarkets, etc. Besides, DX-5000 series work in dual (analog/ digital) mode which is compatible with the existing analog radio to supplement of analog radio’s weaknesses such as poor sound quality, shot talking range, and short usage time. MAIN FUNCTIONS of DX-5000 series  64 Zones 1024 channels selection (1zone = Max 1,024 channels)  5/1 Watt RF Power  Transmitting and receiving text messages (up to 40 letters), Maximum 10 sentences  Encryption Mode (AES 256 DMRA)  TX Interruption, Priority call  Lone Worker  Man Down function (Optional)  BCL / BCLO  Time-Out Timer (TOT)  Emergency Alarm sound  Flashlight  Recording phone conversation and playback  Vibration (Optional)  Audio recording and playback  Mixed channels of the Analog and Digital  VOX (Voice Operated Transmitting) by 5 levels  Remote-controlled Lock (Stun) / Unlock (Revival)  Electronic volume control  1Watt Audio output  2 pin plug connector  OLED LCD Display  DC+7.4V Li-ion / 2,600mAH High capacity battery 3 2. Specification 2.1 DX-5000 Series General Frequency Range Frequency Stability Channels Programmable Channels Channel Spacing Digital Vocoder Dimensions Weight Power Source Current Drain (Maximum) DX-5100 : 136~174 MHz DX-5200 : 216~224 MHz DX-5400 : 400 ~512 MHz ±1.5ppm (-30 to +60°C) 1,024 channels 64 (1 Zone = Max 1,024 Channels) 12.5KHz AMBE++ 113mm(H) x 54.5mm(W) x 35.5mm(D) 280g DC +7.4V Li-ion 2,600mAH Battery Receiving mode – 420mA (Maximum Audio) Transmitting mode – 1,200mA Standby mode – 110mA Receiver Sensitivity Selectivity Spurious and Harmonic Rejection FM Hum and Noise Ratio Audio Output Power Audio Distortion Audio Response Input Impedance Antenna 0.25uV (BER 1%) 60 dB (12.5KHz) 36 dBm (<1GHz) -30dBm (>1GHz) 40dB (12.5KHz) 1 Watt / 16 ohm load Less than 3% at rated output +1, -3 dB from 6dB per octave de-emphasis Characteristic from 300 ~ 3000Hz 50 ohms External Antenna, 0.0 dBi Transmitter RF Power Output Spurious and Harmonic FM Hum and Noise Ratio Audio Distortion Audio Frequency Response Output Impedance 5/1Watt -36 dBm (<1GHz) -30dBm (>1GHz) 40dB (12.5KHz) Less than 3% +1, -3dB from 6dB per octave pre-emphasis Characteristic from 300 ~ 3000Hz 50ohms 4 3. DX-5000 series accessories * The accessory parts may be changed at the request of the buyer Device Battery 2 slots charger Belt Clip (Holster) Antenna User manual Figure 3-1) DX-5000 series main accessories XB-2600 : 2,600mAH Li-ion Battery Pack XC-100D : 1 slot charger XC-200D : 2 slots charger 423D-WS : 400~450MHz SMA Whip antenna 460D-WS : 440~470MHz SMA Whip antenna 5 3.1 Appearance of DX-5000 Series Figure 3-2) DX-5000 series appearance 6 Figure 3-3) LCD descriptions & Icons 3.2 Basic Operation Buttons Operation Description Power On/Off Volume switch(Knob)  Turn the volume switch (Knob) clockwise or counterclockwise to power On/Off  To increase/decrease the volume, turn the volume knob with power on, then, Speaker icon indicates volume increase/decrease PTT Press PTT button to transmit Zone button The registered zone is selectable in order. On the selected zone, use ▲/▼ buttons to move up and down the list. RF output, High/Low button Press once to make high output Press again to make low output Menu/OK button Press MENU button to enter Menu Press MENU button to see the current menu state Menu / Channel Up/down button Press MENU button and press ▲/▼ to move up/down the MENU list. Press ▲/▼ to change channel Cancel/Return button Press Cancel/Return button to exit out from the menu Contact List button Press the button to enter the contact list directly. Press the ▲/▼ to move through the list of contacts Menu Exit Press the button to exit the current menu and go back to the menu list 7 4. Basic Operation Please read the instruction manual thoroughly before using the product. This manual provides useful information in regards to the basic operation of the radio. 4.1 Antenna installation and Removal To install the antenna, insert the antenna into antenna connector and screw the antenna clockwise. To remove the antenna, screw the antenna counter clockwise. Figure 4-1) How to tighten and loosen the antenna from the radio 1. Overtightening the antenna as it may cause damage to the Radio. 2. NEVER HOLD by the antenna when carrying the device. 3. Transmitting without an antenna may damage the Radio. 4.2 Battery installation and Removal As shown the figure 4-2, to put the battery, align the battery pack with the groove of the device and press the device into the direction of the arrow #2. To remove the battery, push the battery locker and pull the battery out of the device to the direction of the arrow # 3. 8 Figure 4-2) How to install and remove the battery 4.3 Belt Clip Installation and Removal 1) Installation belt clip: To attach the belt clip, align the belt clip to the grooves on the back of the radio as shown and push it down to the direction number 1. Clip will “click” when locked. 2) Removal belt clip: To remove the belt clip, push the locking tab to the direction number 2 and pull the belt clip up to the direction number 3 at the same time. Figure 4-3) How to install and remove the belt clip 9 4.4 External Accessory Connector Jack The accessory connector is used to connect an external headset or SW programming. Open the accessory cover and align the accessory connector with the accessory jack.…

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YeonHwa M Tech Co.,Ltd. 36, Jeonpa-ro 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do 14086 Korea 8/31/2021 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: VSODX-5400 was designed to operate in the frequency bands 406.1 - 510 MHz To aid equipment authorization in other countries which accept the United States FCC Grant for Certification, YeonHwa M Tech Co.,Ltd. is requesting that the FCC lists the frequencies 406.1 – 510 MHz, under FCC Rule Part 90 on the FCC Grant. YeonHwa M Tech 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 406.1-450 MHz FCC Part 90 450-454MHz FCC Part 90 456-460MHz FCC Part 90 460-462.5375MHz FCC Part 90 462.7375-467.5375MHz FCC Part 90 467.7375-470MHz FCC Part 90 470-510 MHz 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. Please contact me if you require any additional information. Sincerely, Signature Hwan-Dae Kim CTO Yeonhwa M Tech Co.,Ltd

YeonHwa M Tech Co.,Ltd. 36, Jeonpa-ro 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do 14086 Korea Date: 8/31/2021 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Attestation statement regarding the Digital Mobile Radio spectrum efficiency TYPE OF EQUIPMENT: Licensed Non-Broadcast Station Transmitter FCC ID: VSODX-5400 Dear Sir or Madam We, YeonHwa M Tech Co.,Ltd. declare that the time division multiple access (TDMA) technology provides two paths in a 12.5 kHz channel bandwidth, thus meeting the one voice path per 6.25 kHz of spectrum requirement. 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: Signature Hwan-Dae Kim CTO Yeonhwa M Tech Co.,Ltd

Yeonhwa M Tech Co.,Ltd 36, Jeonpa-ro, 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, korea 14086 Date: 2021/8/31 FCC ID: VSODX-5400 Dear Sir/Madam, We, Yeonhwa M Tech Co.,Ltd, Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number and appearance is different for these model: Derived Model Brand name Function Difference description Appearance DX-5400R X Radio 16-Channel Rotary Type All the same except for the model name and appearance MDP-5400R MAXON VR-5400R Brecom RCD-5400R Raditel DX-5400L X Radio LCD Type MDP-5400L MAXON VR-5400L Brecom RCD-5400L Raditel DX-5400 X Radio OLED Type MDP-5400 MAXON VR-5400 Brecom RCD-5400 Raditel Product name: Digital 5W Portable Radio Model no.: DX-5400, DX-5400R, MDP-5400R, VR-5400R, RCD-5400R, DX-5400L, MDP-5400L, VR-5400L, RCD-5400L, MDP-5400, VR-5400, RCD-5400 Yeonhwa M Tech Co.,Ltd 36, Jeonpa-ro, 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, korea 14086 Sincerely, Signature Hwan-Dae Kim CTO Yeonhwa M Tech Co.,Ltd

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: 8/31/2021 TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name VSODX-5400 DX-5400, DX-5400R, MDP-5400R, VR-5400R, RCD-5400R, DX- 5400L, MDP-5400L, VR-5400L, RCD-5400L, MDP-5400, VR-5400, RCD-5400 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Signature Hwan-Dae Kim CTO Yeonhwa M Tech Co.,Ltd

Yeonhwa M Tech Co.,Ltd 36, Jeonpa-ro, 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, korea 14086 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 8/31/2021 To whom it may concern: We, Yeonhwa M Tech Co.,Ltd, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: VSODX- 5400 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Signature Hwan-Dae Kim CTO Yeonhwa M Tech Co.,Ltd

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 1 of 4 EXTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 2 of 4 Fig.3 Fig.4 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 3 of 4 Fig.5 Fig.6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 4 of 4 Fig.7 Antenna

Label & Label Location Label Size：27.5mm*16.0mm FCC ID: VSODX-5400 IC: 184A-MDP5400R Model/HVIN: MDP-5400R

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 4 INTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 4 Fig.3 Fig.4 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 4 Fig.5 Fig.6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 4 Fig.7

Page 1 of 20 CALIBRATION DATA PROBE CALIBRATION DATA Page 2 of 20 Page 3 of 20 Page 4 of 20 Page 5 of 20 Page 6 of 20 Page 7 of 20 Page 8 of 20 Page 9 of 20 Page 10 of 20 DAE CALIBRATION DATA Page 11 of 20 Page 12 of 20 Page 13 of 20 Page 14 of 20 Page 15 of 20 DIPOLE CALIBRATION DATA Page 16 of 20 Page 17 of 20 Page 18 of 20 Page 19 of 20 Page 20 of 20

D450V3-SN:1113; 450Head Calibrated impedance: 55.7Ω+5.3JΩ; Measurement impedance: 55.1Ω-5.7jΩ(within 5Ω) Calibrated return loss: -22.6dB; Measurement return loss: -22.3 dB(within 20%)

FCC Test Report Applicant Name: : Yeonhwa M Tech Co.,Ltd FCC ID : VSODX-5400 Equipment Type : Digital 5W Portable Radio Models Name : DX-5400, DX-5400R, MDP-5400R, VR-5400R, RCD-5400R, DX- 5400L, MDP-5400L, VR-5400L, RCD-5400L, MDP-5400, VR-5400, RCD-5400 Report Number : TZ210302100-E Date Of Receipt : March 26, 2021 Date Of Issue : April 22, 2021 Test By : (Anna Hu) Supervised by : (Hugo Chen) Approved by : (Andy Zhang) Tested by : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Page 2 of 48 Report No.: TZ210302100-E REPORT REVISE RECORD Revision Description Issued Data Remark Revision 00 Initial Test Report Release April 22, 2021 Andy Zhang Page 3 of 48 Report No.: TZ210302100-E CONTENT 1. TEST STANDARDS ............................................................................................................................................... 4 2. GENERAL INFORMATION .................................................................................................................................... 5 2.1. DIFFERENCE OF MODELS .............................................................................................................................................. 6 2.2. EUT OPERATION MODE ............................................................................................................................................... 6 2.3. BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................... 6 2.4. RELATED SUBMITTAL(S) / GRANT (S) .............................................................................................................................. 6 3. TEST ENVIRONMENT .......................................................................................................................................... 7 3.1. ADDRESS OF THE TEST LABORATORY ............................................................................................................................... 7 3.2. TEST FACILITY ............................................................................................................................................................ 7 3.3. ENVIRONMENTAL CONDITIONS ...................................................................................................................................... 7 3.4. TEST DESCRIPTION ...................................................................................................................................................... 8 3.5. STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................................ 8 3.6. EQUIPMENTS USED DURING THE TEST ............................................................................................................................ 9 4. TEST CONDITIONS AND RESULTS ...................................................................................................................... 10 4.1. RF Power Output(Conducted Method) ............................................................................................................ 10 4.2. Modulation Characteristics ............................................................................................................................. 11 4.3. Occupied Bandwidth and Emission Mask ........................................................................................................ 20 4.4. Field Strength Spurious Emissions ................................................................................................................... 36 4.5. Conducted sprious emission result(at antenna terminal): ............................................................................... 39 4.6. Frequency Stability .......................................................................................................................................... 43 4.7. Transient Frequency Behavior ......................................................................................................................... 45 Page 4 of 48 Report No.: TZ210302100-E 1. T E S T S T A N D A R D S The tests were performed according to following standards: FCC Part 2: FREQUENCY ALLOCA-TIONS AND RADIO TREATY MAT-TERS; GENERAL RULES AND REG-ULATIONS FCC Part 90: PRIVATE LAND MOBILE RADIO SERVICES. ANSI/TIA-603-E-2016: Land Mobile FM or PM Communications Equipment Measurement and Performance Standards. ANSI C63.26-2015: IEEE/ANSI Standard for Compliance Testing of Transmitters Used in Licensed Radio Services Page 5 of 48 Report No.: TZ210302100-E 2. G E N E R A L I N F O R M A T I O N Models Name DX-5400, DX-5400R, MDP-5400R, VR-5400R, RCD-5400R, DX-5400L, MDP- 5400L, VR-5400L, RCD-5400L, MDP-5400, VR-5400, RCD-5400 Difference description Shows in 2.1 of this reports. Test Model DX-5400 Applicant Yeonhwa M Tech Co.,Ltd Address 36, Jeonpa-ro, 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, korea 14086 Manufacturer Yeonhwa M Tech Co.,Ltd Address 36, Jeonpa-ro, 44beon-gil, Manan-gu, Anyang-si, Gyeonggi-do, korea 14086 Equipment Type Digital 5W Portable Radio Trade Mark X Radio, MAXON, Brecom, Raditel Hardware version: DXO54-R1 Software version: V2.5.2.0 Extreme Temp. Tolerance -10°C-+55°C EUT Power Rating DC 7.40 V by battery Operating Frequency 406.1 MHz – 510 MHz Channel Spacing 12.5 KHz Modulation Type FM, 4FSK Emission Designation FM VOICE:11K0F3E 4FSK VOICE:7K60F1E 4FSK DATA:7K60F1D Antenna Type: Detachable Antenna Antenna gain: 0.0 dBi Data of receipt March 26, 2021 Date of test March 26, 2021 to April 21, 2021 Deviation None Test Sample ID TZ210302100-1# Condition of Test Sample Normal Page 6 of 48 Repor…

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VSODX-5400 TEST SETUP PHOTOS OF THE EUT Radiated Emission Below 1GHz Radiated Emission Above 1GHz