Description:

This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with your iPhone/iPADAndroid 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.

PIN define:

• STATE -You can connect a external LED to indicate the bluetooth state. It same as the state LED on the module.
• RXD -Receive data
• TXD -Send data
• GND -Power ground
• VCC -DC power in (3.3V-6VDC)
• KEY -Turn on/off this module by this pin.(1- OFF0/Open- ON)

Features:

•  TTL data transparent transfer between a host Bluetooth device(IOS or Android 4.3).
• Ultra-low standby power consumption 400uA ~ 800uA
• Default Baud Rate: 960081n.  
• Coverage up to 60 meters
• Built in antenna
• Power input: 3.6V-6VDC(Can not higher than 6V)

Documents:

• User manual
• Bluetooth BLE/EDR setting tool
• iPhone test APP
• Android test APP
• 4.0 BLE Android Source code
• 4.0 BLE IOS7 Source code