Parameters：

Dimension: 69.8mm x 37.8mm

Operating voltage: DC9~26V

Working current: ≤ 100mA (Master module)

Peak current: ≤ 1.5A (with other sub-control module)

Maximum support power: 5V2A (with other modules)

Wireless frequency: Full-Duplex RF 433MHz

Transmission distance: ≤ 180m（LOS）

Alarm output: NC / RF / 485

Working temperature: -1 0℃ ~ 55 ℃

Relative humidity: ≤ 95%

Push-type shrapnel interface wiring definition

From left to right 1 2 3 4

1. Power supply positive DC9V-DC26V

2. Power supply negative GND

3. 485 interface B/NC

4. 485 interface A/NC

5.The functions of 3 and 4 485 / NC are defined by the position of the jumper cap on the board (When jumper cap at "SW", 3 and 4 can only be NC output , when jumper cap at "485", 3 and 4 only do 485 transmission)

Features：

1. System wireless expansion module, integrated two-way RF communication.

2. Stack up to 6 other functional modules, offer power to the stacked modules at 5V / 2A and support Plug & Play.

3. Wireless encryption two-way communication.

4. Support OSSI interface and agreement.