This small 4.0 size Bluetooth transceiver module allows the device to communicate with IOS Android.
It is easy to use and completely encapsulated.
possible to set as a slave or master.
You can use the AT command to set the transmission.
Ultra-low standby power consumption 90uA ~ 400uA. Built in PCB antenna.
HM-10 BLE Bluetooth 4.0 CC2540 CC2541 Serial Wireless Module for Arduino IOS Android TE476
Technical specifications: Power supply: 3.6V - 6V DC (Can not exceed 6V)
Dimensions: 43mm x 15mm / 1.69 inch x 0.59 inch
Net weight: 4g
Package includes: 1 x Bluetooth 4.0 Serial Wireless Module
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.