SDR transceiver,One Antenna Defined Set Sdr Plus Set With One Lcd Display 3.2 Inch H2 Inch Lcd 1m Hz Software Defined Hz Software Dazzduo Plus 3.2

The built-in microphone, built-in loudspeaker, and external loudspeaker design make it have sound input and output functions, and the built-in loudspeaker and external loudspeaker will switch automatically. With a high-precise clock, the resolution is 0.1-0.5 PPM. Wear-resistant functional buttons design, with four-way arrows buttons. Adopt a large LCD display of 3.2 inches, 240 x 320 resolution with a resistive touching screen. Information safety technology research: wireless communication attacks such as eavesdropping, coaxing, replay, identity impersonation, blocking, and other attacks; Wireless communication physical layer safety protections: RSSI and CSI-based keys generation, identity authentication, anti-interference mechanism.