AURSINC MMDVM Duplex Hotspot Module Dual Hat V152 with 096 OLED Display Support P25 DMR YSF NXDN DMR Slot 1 Slot 2 for Raspberry Pi Pi Zero with OLED

Extensive Compatibility Supports DMR P25 DStar and System Fusion HIGH PERFORMACE 32bit ARM processor up to 10mW RF power fully tested every piece Compatible with the Raspberry Pi including the Pi 1 22b 33b3b 44b Pi Zero Pi Zero 2W Easy to Assemble The firmware is preloaded and is easily upgraded via software Onboard LEDs showing status Tx Rx PTT Mode Pistar control Mode selection DUPLEX ModeSIMPLE Mode Frequency Range UHF 433900MHz VHF144146MHz 144148 219225 420475 Main band 842950 Its best to work on the amateur band 430440 MHz NOTE TX0 RX0 To leave the screen on all the time In PiStar configuration ensure you have OLED Type 3 in the display type field at the top of the page set Port to modem Setting Modify the modem type any model ending in GPIO can be supported RadioModem Type STM32DVMMMDVMHSRaspberry pi HatGPIO In the Expert section go to MMDVM host and scroll down to the OLED section Make sure LogoScreensaver is set to 1 this leaves the screen on all the time Otherwise it goes blank when idle Update New FW pistar expert ssh access user pistar pass raspberry You can directly run upgrade commands without the need to set jumpers run in the Pi star terminal sudo pistarmmdvmhshatflash hsdualhat if this command doesnt work please try this command mmdvmclubindexphpwpsd html.