This unit is in a 3d printed case that is very rugged however finish is typical 3d print finish.
Mini and Portable, L/W/H 4.7x4.5x3.8mm, inner slim fan and heatSink, keep the temperature cool.
Support MMDVM mode: DMR/YSF/P25/NXDN/DSTAR/POCSAG
Frequency range: 420MHz-475MHz,842MHz-950MHz (depend on ADF7021 and TCXO, HAT's Firmware Amateur radio brand license limit)
PCB and 3D Case design for NanoPi NEO, with Gold Plated PCB which is 1.6mm thick, default blue box.
Inner Ceramic antenna,center frequency 433MHz.
Innovative shell design made more suitable for user experience,and improve the service life of the equipment.
Specs and Docs:
Power require: 5V2A
Transceiver IC: ADF7021,Programmable output power: -16dBm to +13dBm
TCXO: 14.7456MHz,±2.5 ppm
Host: NanoPi NEO 512M RAM,v1.31,A3 Architecture
USB WiFi: EP-N8508GS
OLED: I2C 128*64px, blue color or yellow blue double color(random)
SDCard: 16Gb, Write speed >10MB/s
Charging cable: Micro USB can transfer data, support 5V2A
1x PCB with 433MHz Ceramic antenna,
1x 3D Case with OLED hole,inner slim fan,slim heatSink
1x Nanopi NEO 512M,
1x High quality USB WiFi ,
1x High quality MicroUSB cable
1x 16G/8G C10 SanDisk/TOSHIBA TF Card
1x 0.96-inch OLED
Be sure to use a qualified power supply 5V2A, non-conforming power will lead to bit error rate(BER) instability, Overvoltage will burn this NanoPi and HAT！
This project is released under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 (CC-BY-NC-SA 3.0, https://creativecommons.org/licenses/by-nc-sa/3.0/) license. You may edit and share it as you like, as long as credit is given and the license is not changed. You can build as many boards for you and your friends as you like and you can even sell it to them to cover your costs, however it is strictly forbidden to turn this into a commercial product! You are not allowed to build and sell these boards for profit!