Current ZUM Radio Products

Elite 3.5 LCD ZUMspot

     Buy now at
ham radio outlet purchase link item currently not avaiable image
blank spacer image The Elite 3.5 LCD ZUMspot is a small and efficient Multi-Mode Digital Hotspot featuring:
  • High performance 32-bit ARM processor
  • Fully assembled and tested in exclusive custom injection molded case
  • Includes a Raspberry Pi 4
  • Supports DMR, P-25, D-Star, YSF, NXDN, POCSAG and M17
  • Onboard LEDs to show status (Tx, Rx, Status and Mode)
  • Up to 10mW RF transmit power
  • SMA antenna connector, UHF antenna included
  • Includes pre-programmed and pre-configured SD card with Pi-Star
  • The open source firmware (MMDVM) is pre-loaded
  • Built-in 3.5" LCD screen
  • Includes 3A USB-C power supply
  • 1 year warranty

Mini 1.3 OLED ZUMspot

     Buy now at
item currently not available item currently not available
blank spacer image NOTE: Due to the worldwide electronic component shortage, we have been unable to purchase some of the components. As soon as the shortage is resolved, we plan to reintroduce the Mini 1.3 OLED ZUMspot.

The Mini 1.3 OLED ZUMspot is a small and efficient Multi-Mode Digital Hotspot featuring:
  • High performance 32-bit ARM processor
  • Fully assembled and tested in exclusive custom injection molded case
  • Includes a Raspberry Pi Zero WH
  • Supports DMR, P-25, D-Star, YSF, NXDN, POCSAG and M17
  • Onboard LEDs to show status (Tx, Rx, Status and Mode)
  • Up to 10mW RF transmit power
  • SMA antenna connector, UHF antenna included
  • Includes pre-programmed and pre-configured SD card with Pi-Star
  • The open source firmware (MMDVM) is pre-loaded
  • Built-in 1.3" OLED screen
  • Includes 3A micro-USB power supply
  • 1 year warranty

MMDVM-Pi board

     Buy now at
ham radio outlet purchase link item currently not available
blank spacer image MultiMode Digital Voice Modem (MMDVM) for Raspberry Pi
  • Designed for repeater and high power hotspot applications (Requires: Radio(s) and Raspberry Pi)
  • Fully assembled and tested full sized Pi format PCB, mounts on RPi
  • Utilizes a high performance 32bit ARM processor running at 180Mhz (Room for future upgrades)
  • Fourth generation analogue filter design that provides an extremely low BER compared to previous generations
  • Supports DMR, P-25, D-Star, YSF, NXDN, POCSAG, FM and M17
  • 2 Multi-turn pots for fine RX and TX adjustments
  • Onboard LEDs to show status and modes (Tx, Rx, Status and Mode)
  • Connections for Nextion LCD display and I2C LCD/OLED Display
  • 8 pin JST Connector with pigtail wires included
  • The open source firmware (MMDVM) is pre-loaded
  • 1 year warranty

AMBE Server

     Buy now at
ham radio outlet purchase link image ML&S purchase link image
blank spacer image The ZUM AMBE Server board allows for audio transcoding for DSTAR, DMR, Fusion, P25 and NXDN.
  • Connection via Ethernet, WiFi (2.4Ghz B/G/N) or serial over USB
  • Uses an authentic AMBE3000R chip sourced directly from DVSI
  • The configuration is stored on an SD card
  • An optional 1.3” OLED screen can be attached to the board
  • 1 year warranty
The board can be used with the following software:

ZUMspot OLED board

     Buy now at
ham radio outlet purchase link image item currently not available image
blank spacer image The ZUMspot board is a small and efficient Multi-Mode Digital Hotspot featuring:
  • High performance 32-bit ARM processor
  • Requires a Raspberry Pi board (Zero WH, 2, 3 or 4)
  • Supports DMR, P-25, D-Star, YSF, NXDN, POCSAG and M17
  • Onboard LEDs to show status (Tx, Rx, Status and Mode)
  • Up to 10mW RF transmit power
  • SMA antenna connector, UHF antenna included
  • The open source firmware (MMDVM) is pre-loaded
  • The board is commonly used with the Pi-Star software
  • Built-in 1.3" OLED screen
  • 1 year warranty

ZUMspot USB

     Buy now at
item not currently available image ml&s purchase link image
blank spacer image The ZUMspot USB is a small and efficient Multi-Mode Digital Hotspot featuring:
  • High performance 32-bit ARM processor
  • Plugs via USB to host computer such as Raspberry Pi, Windows, Linux
  • Supports DMR, P-25, D-Star, YSF, NXDN, POCSAG and M17
  • Onboard LEDs to show status (Tx, Rx, Status and Mode)
  • Up to 10mW RF transmit power
  • SMA antenna connector, UHF antenna included
  • The open source firmware (MMDVM) is pre-loaded
  • The board is commonly used with Pi-Star and BlueDV software
  • 1 year warranty