- RF Crystal: Duplex hotspot board’s RF crystal uses a high accuracy temperature complementary crystal, and the center frequency of the on board chip enna is 433 megabit.
- Small Size: The duplex hotspot board is small and can be easily DIY into a smaller housing, so you can access the devices you need according to your needs.
- Support Interface: Duplex hotspot board supports one way serial screen can be connected to the TJC color screen and support one way organic light emitting diode screen interface.
- Burning Firmware: Duplex hotspot board supports interface for easy burning of firmware and supports 5V interface all the way to the fan or power supply.
- Applicable Models: This duplex hotspot board can be directly plugged in for NanoPi Duo2 with 20mW power and U band frequency.
