Module Selection

Module classification

Before selecting modules, learn the classification of modules first.

• Firstly, find the recommended modules according to the communication protocol of the product.
• Secondly, select the module in the suitable temperature range according to the working environment temperature of the product.
• Finally, select a module according to the structural characteristics and the hardware design.
  

Recommended Wi-Fi & Bluetooth comb modules

Note 1: Dual-mode products can support both Bluetooth and Wi-Fi communication protocols at the same time. The device needs to be paired by Bluetooth or AP network.

Note 2: Wi-Fi is the main control communication protocol, and the device usually communicates with Wi-Fi/LAN. When the device network fails, it can be paired by Bluetooth to remove the control.

Model	Chip	Welding Method	Working Temperature	Antenna Type	Product Size	Picture	Details
WB2S	BK7231T	In-line	-20℃ to 85℃	Onboard antenna	15mm (W)×18mm (L) ×3.0mm (H)		WB2S Module Datasheet
WB3S	BK7231T	Attached	-20℃ to 85℃	Onboard antenna, IPEX optional	16mm (W)×24mm (L) ×2.8mm (H)		WB3S Module Datasheet

Recommended Bluetooth modules

The following Bluetooth modules support Bluetooth Low Energy protocols.

Model	Chip	Welding Method	Working Temperature	Antenna Type	Product Size	Module Picture	Module Details
BT3L	TLSR8250	Attached	-20℃ to 85℃	Onboard antenna	16mm (W)×24mm (L) ×3.3mm (H)		BT3L