• This is a Bluetooth 4.0 module with 4pin base board that can support iphone4s or later.
• But does not support the version is lower than the android 4.3 phone(it don't support classic bluetooth 2.0 spp features)
• The core module is HM-10
• Operating voltage: 3.3V to 6V

Features:

• Low Energy: With HM-10 bluetooth 4.0 module, you can add Bluetooth features to your project and support iphone4s or later.
  
• DSD TECH Brand 4pin Base Board: Through this base board, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project
  
• Led status indication: when the connection is established will always light, disconnection is flash
  
• Support:You can make this module into ibeacon mode.So you can have your own ibeacon.it also Supports Apple Notification Center Service (ANCS)
  working voltage 3.6 V to 6V,Default rate of 9600.

Details:

• How to Enable Apple Notification Center Service (ANCS) ANCS function
  1.1 Please read apple notification ducument first
  1.2 Send AT+TYPE3 command change to AUTH and BOND mode.
  1.3 Send AT+ANCS1 command to open ANCS.
  1.4 Send AT+PASS[para1] command to set passcode. Default passcode is "000000"
  1.5 Send AT+RESET to restart module.
  Now you can use LightBlue to scan and made a connect with module.
  iOS will ask you input passcode. please input your passcode value.
  If all is okay, you should receive AT+ANCS[para1] command from module UART.

Package includes:

• 1 x 4.0 BLE iBeacon UART Module