This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with. your iPhone/iPAD, IOS 6 or Android 4.3 above devices.
It’s easy to use and completely encapsulated.
You can set it as slave or master.
You can use AT command set the baudrate.
Ultra-low standby power consumption 90uA~400uA
Coverage up to 60 meters
Built in PCB antenna
Power input: 3.6V-6V DC(Can not higher than 6V)
Size: 43mm x 15mm
Net Weight: 4g CC2541 Specifications:
Still use Bluetooth 2.1?
IF you are in need of such a 4.0 BLE Bluetooth module, MCU can be set up,also can controlled by a remote Bluetooth device for setting,can transfer data, and can remotely control 10 PIO pins,so,the best choice is HM-10/11 bluetooth module.
HM-11 size is only have 2.4cm X 1.5cm .
HM-11 can work with IOS, PC, Android 4.3 now.
Brand new and high quality.
Send and receive no bytes limit.
The power can be adjusted -23dbm, -6dbm, 0dbm, 6dbm, can modify through AT Command AT+POWE.
Long range, Open space have 100 Meters with iphone4s.
Low Power: Only 0.5 mA for standby, Active 8.5 mA, support auto sleep.
Central & Peripheral in one.
UUID FFE0, FFE1.
Support serial port update firmware (add in V508)