BT-MS02B
Frequency Range:2.4 - 2.4835 GHz, Build in Antenna,
Receive Sensitivity:–75dBm (typical),
TX Power:4dBm maximum (class 2),
Range:>10 meters (line-of-sight),
Supply Voltage:2.7V to 3.3V,
Power Features:2 x AA Alkaline battery cells,
Operating Channels:79 channels of 1MHz BW,
Security:Full support of Bluetooth security provisions including hardware support for full length 128 bit encryption keys,
Operating Temperature:-10℃(14℉) to 85 ℃(185℉),
Storage Temperature:0℃(32℉) to 55℃(131℉),
Operating Humidity:20% to 90% RH ,
Size:110mm(L) x 60mm(W) x 39mm(H),
Certifications:CE,FCC