Here is where I bought the device
- Material: PCB
- Working Frequency: 315Mhz
- Oscillation Mode: Surface acoustic wave (SAW)
- Bandwidth: 2MHz
- Modulation Systems: ASK/OOK
- Sensitivity: -100dBm
- Transmission Rate: < 5Kbps
- Antenna Length: 24mm
- Working Voltage: DC 3V~5V
- Working Current: <= 5.5mA
- Ideal for wireless remote control device, burglar alarm security system etc.
I found a document online in Chinese that is for this board (aparantly)
I tried to translate the document but google returns nothing for it - also copying to the clipboard did not work for me.
But from the diagram we have this
I am about to give it a try hope it is accurate