Alinco DR-MD520T Tri-Band Mobile DMR 144/220/440MHz

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Alinco DR-MD520T Advanced Tri-Band VHF/UHF/DMR Mobile Transceiver

Alinco's latest Advanced Tri-Band Mobile DMR 144/220/440MHz DR-MD520T adds to its existing line-up of Digital/Analog Transceiver to its Amateur Radio products. The DR-MD520T has features such as Color LCD Display, 55W Output Power on 144MHz, 5W on 220MHz and 40W on 440MHz Amateur Bands as well as up to 4000 Memory Channels, 10,000 TalkGroup and up to 500,000 Contact lists. Capable of operating in Digital and Analog with mixed mode in VFO or Memory mode and with Built-in GPS receiver also supports APRS feature both in Analog and Digital modes.

The DR-MD520T utilizes DVSI's AMBE+2 vocoder for Crystal clear DMR digital audio for use in Amateur Radio applications or your favorite repeaters coverage area with no noise or fading even in low lying areas. The DR-MD520T has powerful 2W audio output power to insure loud crisp receive audio.


  • DMR Tier I and Tier II
  • MAX output power 55W(VHF) / 40W(UHF)
  • 4000 channels, 250 zones, 250 scan lists
  • 500,000 Digital contact list
  • Large 1.77 LCD Display
  • Built-in GPS receiver to support APRS feature
  • Automatic Repeater Roaming
  • Single or Dual Channel selectable
  • X-band repeat, Analog uplink/Digital downlink or vice versa (T version only)
  • Displays DMR ID, Call sign, Name.
  • X-band repeat, Analog uplink/Digital downlink or vice versa
  • FM Broadcasting receiver with 100 memory channels and VFO
  • AES 256bit Encryption (Digital mode)
  • SMS (Digital mode)
  • Communication recording (Digital mode)
  • Individual/Group/All call (Digital mode)
  • CTCSS/DCS/DTMF/2Tone/5Tone encode and decode (Analog mode)
  • Allows CSV export/import of setting parameters
  • Programmable Auto Repeater Shift in VFO mode
  • Kill & Stun functions
  • VFO/MR Switch
  • FCC Part 15 Certified (Amateur use)
Frequency Coverage

RX: 136MHz-174MHz, 220MHz-225MHz,
108MHz-137MHz (AM)
TX: 144MHz~148MHz, 222MHz~225MHz,


Two-Slot TDMA (Tier 1/ Tier II) - Digital
FM/WFM/AM - Analog

Channel Capacity


Zone Capacity

250 Zones (250CH/ Zone)

Channel Spacing

Digital 12.5KHz Analog 12.5KHz/25KHz

Operating Voltage

13.8V DC nominal ±15%

Operating Temperature Range

-4°F~140°F (-20°C~ +60°C)

Frequency Stability


Antenna Impedance

50 ohms


5.55 x 1.57 x 7.40 in. (W x H x D)


Approx. 1.04 kg /36.68 oz 

Current drain 15 A

FCC Part 15 (Amateur use)

Output power

145MHz: 55W/25W/10W/1W
223MHz: 5W / 1W (USA version)
435MHz: 40W/25W/10W/1W

FM Hum and Noise (Analog)

25KHz: 40dB / 12.5KHz: 36dB

Channel Spacing

Less than 1GHz: -36dBm
More than 1GHz: -30dBm

Adjacent channel power


Digital Vocoder


Analog Sensitivity

25kHz: 0.2uV 12kHz: 0.25uV

Digital Sensitivity

5% : 0.3μV 1% : 0.7μV

FM Hum and Noise (Analog)

25KHz: 45dB / 12.5KHz: 40dB

Audio Output

2W/ 8ohms

Audio Distortion

Less than 5% (typical)

  • EMS-88 Microphone
  • ADFM78 (MB-130) Mobile Bracket
  • ADUA38 DC Cable
  • Mounting Bracket w/screw kit
  • Mic Hanger
  • ERW-21 PC USB Data cable (MicroUSB USB cable)
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