BLUETOOTH MODULE V4.1 100MBPS; Bluetooth Version:Bluetooth 4.1; Supply Voltage Min:2.9V; Supply Voltage Max:4.8V; Signal Range Max:-; Data Rate:100Mbps; Bluetooth Class:-; Receive Sensitivity:-92.2dBm; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product Range:WiLink WL 1837MOD; SVHC:No SVHC (27-Jun-2018)