BT-KB01B
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:3 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:445mm(L) x 195mm(W) x 44mm(H)l
Membrane Connection: 8 x 18 matrix membranel
Certifications:CE,FCC