+2.5v to +3.3v
    Requires up to 50mA
    Uses around 9mA when in an active state
    Use 50-200uA when asleep
    RF power: -23dbm, -6dbm, 0dbm, 6dbm
    Bluetooth version 4.0 BLE
    Default baud rate pre firmware V700 is 9600
    Default baud rate firmware V700 and up is 115200
    Default PIN is 000000
    Default name is HMSoft
    Based on the CC2540 or the CC2541 chip