Range: 200m Wireless standards: IEEE 802.11g, IEEE 802.11b Wireless speed: 11g: Maximum 54Mbps, 11b: Maximum 11 Mbps Channel range: 1-13 (default 11 channels) frequency range: 2412-2472MHz mit power: 18DBM Antenna type: Internal Antenna Wireless security: WPA/WPA2 Security mechanism Serlal Speed: Serial port Baud rate 115200/57600(adaptive) Protocol and port: UDP 14550 working voltage: 5V+-0.25V working current: 100MA working temperature: -20-50°C Working humidity: 10%-90%RH(noncondensing) Storage temperature: -40-80°C Storage humidity: 5%-90%RH(noncondensing) Size: 3.5cmx1.6cm(Module), cable Length:about 25cm Weight: Module 3g, cable 3g, total 6g Color:As Shown Material:plastic Package Contents: 1 * Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.