AURSINC MMDVM Hotspot Board (V1.5.2) + Antenna Support UHF VHF Support P25 DMR YSF DSTAR NXDN POCSAG for Raspberry Pi-Zero W, 2W, Pi 3, 3B, 3B+, 4 (with OLED)

Features

• [Frequency Range] MMDVM hotspot supports UHF VHF, frequency range: 144MHz-148MHz, 420MHz-475MHz, 842MHz-950MHz (depending on ADF7021 and TCXO, HAT firmware amateur radio brand license restrictions)
• [Multifunction] Hotspot board saves electricity, High quality TCXO, stable, low BER. Support MMDVM mode DMR / YSF / P25 / NXDN / DSTAR / POCSAG. Support online upgrade, User-friendly OLED and Nextion special design location, reserved for additional installation of Bluetooth modules
• [Applicability] AURSINC hotspot board supports Raspberry Pi 4, 3B, 3B +, Pi Zero W, Pi Zero 2W, compatible with NanoPi NEO, Orange Pi, compatible with BlueDV (requires USBtoTTL or Bluetooth model). if you want a little processor power install on Pi 3 or Pi4, this is a great little hat for digital voice modes
• When connecting the MMDVM board to a RPi 4, please note: If it works normally, no additional settings are required. If the SVC indicator does not flash, choose one of these methods (refer to the product diagram): 1. Remove the R1 resistor on the hotspot board. 2. Cut off the 2 RPi pin headers on the corners of the board
• [Firmware Update] If the Raspberry fails to connect the hotspot board, please try update the firmware of the hotspot board by conducting the command: sudo pistar-mmdvmhshatflash hs_hat. More info pls view: amateurradionotes.com/pi-star-notes.htm#hotspotfwupdate. How to Update MMDVM_HS for WPSD 1.6.1: jumbo5566.github.io
• [Importance] Please refer to this website to test whether your device can receive or transmit signals: m7spi.co .uk/mmdvmcal/. If you encounter that the device cannot connect to network after setup, please kindly contact us. We will help resolve this issue
• How to Update MMDVM_HS for WPSD 1.6.1: Kindly refer to the following website: jumbo5566.github.io.