Alinco DR-MD500T Advanced Dual Band VHF/UHF DMR Mobile Transceivers

The Alinco DR‑MD500T is a feature‑rich, Part 90–certified dual‑band VHF/UHF DMR mobile transceiver designed for commercial, business, and amateur radio applications. Building on Alinco’s proven digital lineup, the DR‑MD500T delivers exceptional performance with a vibrant color LCD display, powerful RF output (55W VHF / 40W UHF), and extensive memory capacity supporting up to 4,000 channels, 10,000 talkgroups, and 300,000 digital contacts. Operators can seamlessly switch between Digital DMR and Analog FM in either VFO or Memory mode, ensuring maximum flexibility across diverse communication environments.

Equipped with DVSI’s AMBE+2™ vocoder, the DR‑MD500T provides crystal‑clear digital audio, even in challenging locations such as construction sites, parks, security patrols, or weak‑signal repeater areas. Digital audio remains consistent with no static, hiss, or fading, helping users maintain reliable communication in noisy or low‑lying environments. A robust 2‑watt front‑facing loudspeaker ensures strong, crisp audio output, making received messages easy to hear indoors, outdoors, or in high‑noise workspaces.

The DR‑MD500T combines power, versatility, and professional‑grade digital clarity—making it an excellent choice for business users, public service groups, and DMR‑capable amateur operators alike.

WARNING: ATTEMPTED USE OF Alinco DR-MD500T WITH 3RD PARTY MICROPHONE VOIDS WARRANTY AND MAY RESULT IN PERMANENT DAMAGE TO THE RADIO

STANDARD ACCESSORIES (Included)

• EMS‑88 Microphone

• ADFM78 (MB‑130) Mobile Bracket

• ADUA38 DC Power Cable

• Mounting Bracket with Screw Kit

• Microphone Hanger

• ERW‑21 PC USB Data Cable (Micro‑B USB)

Alinco DR‑MD500T Features

• DMR Tier I and Tier II Support

• Maximum Output Power: 55W (VHF) / 40W (UHF)

• Channel/Zone Capacity: 4000 channels, 250 zones, 250 scan lists

• Digital Contact Capacity: 300,000 contacts

• Large 1.77" LCD Display

• Automatic Repeater Roaming

• Single or Dual Channel Selectable

• Displays DMR ID, Call Sign, and Name

• X‑Band Repeat: Analog uplink/Digital downlink or vice‑versa

• FM Broadcast Receiver with 100 memory channels and VFO

• AES 256‑bit Digital Encryption

• SMS Messaging (Digital Mode)

• Digital Communication Recording

• Individual, Group, and All‑Call (Digital Mode)

• CTCSS / DCS / DTMF / 2‑Tone / 5‑Tone Encode & Decode (Analog Mode)

• CSV Import/Export for Configuration Parameters

• Programmable Auto Repeater Shift (VFO Mode)

• Kill & Stun Functions

• VFO / Memory (MR) Mode Switch

• FCC Part 90 Certified

SPECIFICATIONS

• Frequency Coverage: VHF 136–174 MHz / UHF 400–480 MHz

• Modulation: Two‑Slot TDMA (Tier I / Tier II)

• Channel Capacity: 4000

• Zone Capacity: 250 zones (250 channels per zone)

• Channel Spacing:

  • Digital: 12.5 kHz

  • Analog: 12.5 kHz / 25 kHz

• Operating Voltage: 13.8V DC nominal ±15%

• Operating Temperature Range: –4°F to 140°F (–20°C to +60°C)

• Frequency Stability: ±2.0 ppm

• Antenna Impedance: 50 ohms

• Dimensions (W × H × D): 5.55 × 1.57 × 7.40in.

• Weight: Approx. 1.04 kg / 36.68 oz.

• Certifications: FCC Part 90

TRANSMITTER

• Output Power:

  • VHF: 55W / 25W / 10W / 1W

  • UHF: 40W / 25W / 10W / 1W

• FM Hum and Noise (Analog):

  • 25 kHz: 40 dB

  • 12.5 kHz: 36 dB

• Spurious Emission: –36 dBm @ <1 GHz, –30 dBm @ >1 GHz

• Modulation (Digital): 7K60FXD / 7K60FXE

• Modulation (Analog): 16K0F3E / 11K0F3E

• Digital Vocoder: AMBE+2 (DVSI)

RECEIVER

• Analog Sensitivity:

  • 25 kHz: 0.2 μV

  • 12.5 kHz: 0.25 μV

• Digital Sensitivity:

  • 5% BER: 0.3 μV

  • 1% BER: 0.7 μV

• FM Hum and Noise (Analog):

  • 25 kHz: 45 dB

  • 12.5 kHz: 40 dB

• Audio Output: 2W @ 8 ohms

• Audio Distortion: <5% (typical)