1 size: 57 * 57 mm * 19 mm, very province car space. 
2 input voltage of + 5 v, USB power supply. 
38 m Flash, 32 MB RAM. 
4 power consumption: 1.2 W 
5 built-in antenna (15 meters) 
6 keep routing functions, equipped with a separate LAN and WAN mouth mouth (software reuse), can be used as wi-fi smart car digital module can also be used as routing. 
7 is fully compatible with the 703 n Openwrt firmware, free installation IPK program. 
8 module has good brush Openwrt firmware and install the UVC camera driver, Ser2net serial port forwarding software, MJPG - the streamer video analysis software, and is set to start randomly. 
Can lead to TTL interface, and 5 V to 3.3 V single chip computer serial communication