Serial Bluetooth ModuleMaster and slave mode can be switched
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CC2541 Bluetooth 4.0 BLE to UART Transceiver Wireless Module Serial Port GFSK DC 3.3V
DescriptionBluetooth protocol: Bluetooth Specification V4.0 BLE, receive no byte limit, Iphone4s under open environment and can achieve 110 m long distance communication. Operating frequency: 2.4GHz ISM band Modulation: GFSK (Gaussian Frequency Shift Keying) Sensitivity: ≤-84dBm at 0.1% BER Transfer Rate: Asynchronous: 6 kbps Synchronous: 6 kbps Safety features: Authentication and encryption Support Services: Central & Peripheral UUID FFE0, FFE1 Power consumption: automatic sleep mode, standby current 400uA ~ 1.5mA, transmission 8.5mA. Power supply: +3.3 VDC 50mA Dimensions: 26.9mm x 13mm x 2.2 mm Bluetooth Certification: ROHS REACH
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