Current ZUM Radio Products

Elite 3.5 LCD ZUMspot
     Buy now at
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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
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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
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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
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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 USB (rev 0.6)
     Buy now at
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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
  • Includes upgraded built-in UHF antenna
  • The open source firmware (MMDVM) is pre-loaded
  • The board is commonly used with Pi-Star and BlueDV software
  • 1 year warranty