Transceiver Module For Voice/922MHz/GFSK
TRW-V4B-V
922MHz
TRW-V4B-V
922MHz
2012/03/01
Question 1:
The documentation about communication protocol to enable, disable and control it trough serial port is available on your site, if yes, where?
WENSHING Answer:
1. The serial port data rate of TRW-V4B-V is 1.2K, so the biggest data which TRW-V4B-V allow is to bring 2 bytes while it is under voice communication.
2. Protocol communication for RF were already fixed, it will be on standby mode(receiver mode) while it is power on also wait for signal which was established from another side device.
3. I/O for P1.0 of TRW-V4B-V can control I/O P1.7 of another side device. Please check for demo circuit design from our data sheet, this is the example for wireless doorbell.
4. I/O P1.6 is for calling and answering functions.
2012/03/01
Question 2:
I was looking at your website and are very interested on the Transceiver Module
For Voice model: TRW-V4B-V
How many channels does it have?
WENSHING Answer:
TRW-V4B-V, it can抰 amplify the module output also provide one channel.
2011/06/18
Question 3:
I recently got two TRW-V4B-V(S/N: 0701TRVM10M)
I would like to voice transmission between "TRW-V4 VOICE Transceiver Module". Now I was connected to the module and MIC / SPEAKER. But no voice transmission. Why? What I did wrong? What should I do to change the settings? There is no way to set the Module in the data sheet of the TRW-V4B-V.
WENSHING Answer:
You need to get connection with the two control pins according to manual firstly.
When A calling B, it will tigger the call button of A, and then tigger the call button of B to get connection.
2009/07/14
Question 4:
I was looking at your website and are very interested on the Transceiver Module
For Voice model: TRW-V4B-V
How many channels does it have?
No reply about this question.



