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Duplex MMDVM ADF7021 hotspot board Rev 1.3 with SMA antenna, no case, no Raspberry Pi

Duplex

Duplex MMDVM ADF7021 Hotspot Antenna Rev 1.3

SKU CH-D6JZ-4P25V

A MMDVM hotspot board with 32-bit ARM processor, 10mW RF power and SMA antenna for DMR, P25, D-Star and System Fusion modes

  • 32-bit ARM processor handles digital voice modes efficiently
  • Supports DMR, P-25, D-Star and System Fusion protocols
  • Onboard LEDs display Tx, Rx, PTT and mode status
  • Up to 10mW RF power with SMA antenna connector included
  • Mounts cleanly on Raspberry Pi boards including Pi Zero

Duplex MMDVM ADF7021 Hotspot Antenna Rev 1.3

This hotspot board adds digital voice support to a Raspberry Pi. It handles DMR, P-25, D-Star and System Fusion with up to 10 mW RF output. A 32-bit ARM processor runs pre-loaded firmware that can be upgraded via software. An SMA connector and antenna are included.

Suits radio amateurs building a compact personal

Builders who need an enclosed case should note the unit ships without a shell. A Raspberry Pi is also not included and must be sourced separately. The board mounts on current Pi models including the Pi Zero.

Hardware version 1.0 with software version 1.4

This specific revision ships with hardware version 1.0 and software version 1.4. The supplier advises against upgrading the firmware yourself. Verify these versions match your intended setup before purchasing.

How it compares

Measured against everything we stock in Wi-Fi Antennas & Wireless Bridges, at today’s prices. Recalculated every night.

Price $50.99
Pricier than about 56% of the 399 comparable items (median $31.99).

Specifications

No published specifications for this item yet.

Questions about this item

Which Raspberry Pi models does the Duplex MMDVM ADF7021 Hotspot Rev 1.3 mount onto?

The board mounts cleanly on all current Raspberry Pi models including the Pi Zero.

Does the Duplex MMDVM ADF7021 Hotspot Rev 1.3 include its own antenna?

An antenna is included and connects via the SMA antenna connector on the board.

What do the onboard LEDs indicate after setup?

Onboard LEDs show status for Tx, Rx, PTT and Mode to confirm the hotspot is operating.

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