2023 MMDVM Duplex Hotspot Board, Multi-Mode Digital Voice

2023 MMDVM Duplex Hotspot Board, Multi-Mode Digital Voice Modem Support YSF DMR NXD P25 DMR YSF DSTAR with Orange PI, Compatible with Windows Linux Android System

Fully-assembled Device：MMDVM hotspot is a fully-assembled device, supports DMR, YSF, P25, D-Star and System Fusion. Works with Orange PI and supports both Duplex mode and Simplex mode.
Radio Frequency : In duplex mode, support uhf 430-440MHZ; In simplex mode, support both uhf 430-440MHz and vhf 140-150MHz. TX=0, RX=0 is the best adjustment, need no offset.
Easy Set Up: Preload sofeware Pi-Star on TF card, no need to download again. Note: When you flash the TF card with new version software, please DO NOT copy on the TF card directly, use a write in tool to write the software on TF card.
USB Cable with Extended Interface: When you want to use USB cable to connect duplex MMDVM with a computer, you must use the USB cable has extended interface that included in the package. The generic Android cable interface is relatively short and the connection does not work.
After Sales Guarantee: If you encounter a problem with your device being unable to connect to the network after installation, please send an email to us, and we will respond and resolve your issue within 24 hours.

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Features:

-Supports DMR, YSF, P-25, D-Star and System Fusion

-Fully tested

-Onboard LED to show status (TX, RX, PTT, Mode)

-SMA antenna connector, antenna included

-Mounts cleanly on orange pi .

Specification:

-Mode: Support both Duplex mode and Simplex mode

-Differencs in Duplex and Simplex:in Duplex mode,have 2 time slots, and Tx and Rx can do at the same time

-Radio Frequency : in duplex mode,support uhf 430-440MHZ, in simplex mode support both uhf 430-440MHz and vhf 140-150MHz

-Best adjusted: TX =0, RX=0，need no offset.