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HC-08 Bluetooth V4.0 Serial Adapter Module - Green
Working frequency: 2.4GHz ISM; Modulation mode: GFSK; Max. transmitting power: 4dBm; Receiving sensitivity: -93dBm; 80 meters' distance communication with IPHONE 4S (open area); Support SMT welding; Dimensions: 26.9mm x 13mm x 2.2mm; Adopts CC2540 chipset£¬ 256K Byte space£¬ support AT command.