iBeacon HM-10 Bluetooth V4.0 Board for Arduino

Product Description

iBeacon HM-10 Bluetooth V4.0 Board for Arduino

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.

Features:

? 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.