About this item

• Using 340 chips, stable performance, good compatibility.
• Using this module for wireless serial communication, the transmission distance is much longer than that of Bluetooth serial port. The transmission distance can reach 100~1100m.
• It can communicate between two computers or one to several computers for two-way communication, but also allows a single computer to perform mcu or multiple bidirectional communication, It must switch to the appropriate mode.
• Panel size: 35.2 x 18.2 mm
• SWIM used to configure the receive and send mode, the default mode is receiving. When using, we can change mode by short-circuiting GND and SWIM.