DV4mini
Digital Amateur Radio





DV4mini (70cm or 2m):

is a tiny but powerful USB stick that can change any PC into a HOTSPOT.

It does not require its own power supply as it is powered through the USB interface. It is be shipped with a comprehensive but simple to use software package which allows for the linking with DCS reflectors for both D-Star,C4FM and DMR reflectors.

Supported operating modes:

D-Star, DMR+, C4FM-Fusion

and experimental versions:

P25, PDMR und NXDN/DAS

Technical specs:

Transmitter:

  • Output Power: approx. 10mW

  • Modulation types: GMSK, 4FSK

  • 2m Version: 144 MHz to 440 MHz (reduced power above 150 MHz)
    70cm Version: 430 MHz to 440 MHz

  • Operating modes: D-Star, DMR, C4FM experimental: P25, PDMR, NXD/DAS

  • Harmonics: better then -30dBm

Receiver:

  • Sensitivity: -120dBm

  • 2m Version: 144 MHz to 440 MHz (reduced sensivity above 150 MHz)
    70cm Version: 430 MHz to 440 MHz

  • Modulation types: GMSK, 4FSK

  • Operating modes: D-Star, DMR, C4FM experimental: P25, PDMR, NXD/DAS

Digital specs:

  • Data rates: 9600 or 4800 Baud, depending on the operating mode

  • Bit rate HF: 4800 bit/s or 4800 dibits/s

  • TCXO: long term stability: better than 2.5 ppm

  • TCXO: short term stability: better than 1 ppm

Interfaces:

  • USB plug type A to connect direct, no cable needed

  • Power supplied via USB

  • Antenna SMA-socket, 50 Ohm (you need an external antenna)