group walkie talkie

タイトルまたは説明

Wireless video intercom function introduction 1)Adopt 2.4G SIM digital public frequency band: *********3.5MHZ. 2)Air transfer rate is up to 2mbit/s, greatly shorten space transfer time. 3)Adopt ARM7 core, super operating capacity. 4)With **-bits digital audio signal serial , DAC audio output port, the sampling rate is 8kbps. 5)Image data transmission and voice date transmission synchronization. 6)Full-duplex voice model. 7)Image adopt MJPEG compression model, one-way wireless can up to ****6 /s. 8)Transmit power is *6~*0 DBM, receive sensitivity is ***0DBM. 9)Communicate distance is up to **0m in open space. *0)Adopt AFH technology, can share the 2.4G frequency band with wireless network card and Bluetooth *1)Auto power-saving sleep protection, internal and external wake-up work. *2)Separate external power supply, wide voltage supply range DC 3.6V*6V *3)Random communication channels and synchronization channel *4)With monitoring function , easy to operate