What is the Bluetooth Module?

Bluetooth module is a PCBA board which integrated Bluetooth functions. Bluetooth module can be used in short-distance wireless communication, which can be divided into the Bluetooth module and Bluetooth voice module according to its usage.

Bluetooth module is a basic circuit set of chip which integrated Bluetooth functions and which can be used in wireless network transmission. Generally, the Bluetooth module can be divided into the following types: data transmission module, remote control module, etc. Usually, modules are the semi-finished products, which are processed on the basis of chips to make the next application easier.

Now there are two models of USRIOT's Bluetooth module for your choose: WH-BLE102a and WH-BLE103. The following diagram is the differences between WH-BLE102a and WH-BLE103:

Characteristic	USR-BLE102	WH-BLE103a
Protocol	V4.0 V4.1 V4.2 BLE	V4.2 BLE
Working Voltage	1.7v – 3.6v ( 500nA~10mA)	1.7v – 3.6v ( 500nA~10mA)
Size (mm)	18.2×26.7×3(mm)	10×10×2(mm)
Working Mode	Master/Slave/Broadcast/Mesh	Master/Slave/Broadcast/Mesh
Slave limits in Master mode	1	7
Encryption	PC1	PC1
iBeacon protocol	√	√
Low power broadcast mode	200uA	200uA
Sleep Mode	500nA	250nA
Distance (In open area under +8dBm)	Module to module: 100m Phone to module: 140m	Module to module: 120m Phone to module: 80m

The quality of USRIOT’s Bluetooth module is ensured because USRIOT’s products have acquired CCC, CE, and other related certifications.

The price of USRIOT’s Bluetooth modules is also super low. The price of WH-BLE102 is only for $2.80.  If you want to learn more information about USRIOT’s Bluetooth module, please follow us: http://usriot.com/products/bluetooth-modules/