This listing is for a complete DIGITAL repeater for the 70cm amateur radio band. All major modes including DMR, DSTAR, FUSION and P25 work and frequencies anywhere between 440-450MHz are valid. This radio will also do commercial band from 450-512 You will need 12 volts and either two antennas or a duplexer to use this as a repeater. This node utilizes the top of the line Tait TM-8105 transceiver. Please send me your info and frequencies you want to w0sky981 at gmail or through the eBay messaging. For me to construct and configure it may take up to 7 business days to ship out the node but likely shorter. The frequency, Digital mode configuration is included for free. To setup, 1. Connect Raspberry pi to internet connection ( Preferably ethernet ) 2. Power on node 3. Go to the frequency with your 70cm digital mobile or portable radio, and enjoy worldwide connections. If you put a good antenna on the node at a good location, the range can exceed 10 miles, and you will make use out of a very quiet radio band. An instruction sheet will be included. INCLUDES: Tested 8105 radios. These are good 440-450Mhz within the ham band (or 450-512 outside). Raspberry pi running PiStar software with micro SD card MMDVM Board Mini UHF to SO-239 so you can plug in a PL259 based antenna. 5v power supply for raspberry pi Please send programming info shortly after you pay, so I know what to put in your radio. Each Radio is individually tested and in spec to: TX Power: 5 to 40 WATTS RX Sensitivity: -122dBm Squelch Frequency Error: less than 0.05KHz w0sky981 at gmail