Bluetooth Module, V4.2, 2.402-2.48Ghz; Bluetooth Version:Bluetooth 4.2; Supply Voltage Min:2.2V; Supply Voltage Max:3.6V; Signal Range Max:400M; Data Rate:-; Bluetooth Class:-; Receive Sensitivity:-96Dbm; Operating Temperature Rohs Compliant: Yes |Silicon Labs BT121-A-V2