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

About this item 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.**Note: You need to set it up before using it for the first time, please refer to the manual for details. 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. 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. -Performance: High RF Performance -Antenna: 2 External Antennas -Fan: Cooling Fan on the Bottom -On Board LED Display Status: On Board LEDs Show Status, Status -Wording on the Housing (TX, RX, PTT, Mode) Package List: 1 x MMDVM Hotspot Board 1 x 8GB Memory Card 2 x Antenna 1 x USB Cable 1 x Setup Instruction Product information Package Dimensions 3.75 x 3.26 x 2.36 inches Item Weight 6.1 ounces ASIN B0D59PKF73 Customer Reviews 3.6 3.6 out of 5 stars 4 ratings 3.6 out of 5 stars Best Sellers Rank #257,457 in Electronics (See Top 100 in Electronics) #177 in Computer Networking Modems Date First Available June 26, 2023 Manufacturer SDRGEEK Country of Origin China Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?