MARALANG Can be connected to female or male serial port device by DB9 connector or converter.
A green LED is used to indicate TX/RX activity of RS232 serial communication.
Supports Pin 9 power supply, just connect pin9 to 4~6V and pin5 to GND.
Built-in battery and charging circuit, more than 24 hours battery usage time.
Supports AT setting on computer to personalize name, baud rate, etc.
Specification
Standard: Bluetooth v3.0(SPP) + Bluetooth v4.2(BLE)
Selectable Serial Baud Rate: 1200,2400,4800,9600,19200,38400,57600,115200 bps
Serial Communication BLE Characteristic: 0000ffe1-0000-1000-8000-00805f9b34fb
Typical Bluetooth Coverage: 30 meters (line of sight)
TX Power: 5dBm
RX Sensitivity: -95dBm
Typical working Current: 8 mA
Dimension and Weight: 78x34x16mm 30g
Material: Plastic
Color: As shown
Package Contents:
1 x Bluetooth module
Only the above package content, other products are not included.
Note: Light reflection 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.