Walkie Talkie Transceiver/Data transfer Module
Demo Board specification (For SR_FRS_0W5U only)
What you get:
Specification for DEMO_A
DMR digital module:
Please select the right demo board based on the module you use.
It is a full function Walkie Talkie Transceiver system. Only a DC 5V power supply is needed. You may evaluate the voice talking and data transferring by the demo board. You needn’t waste your time in search the components and sealing. It is convenient for you to evaluate our module quickly, and it is also effective for you to expedite the development.
The feature of the demo board:
Voice talk demo；
Data transfer demo；
We leave a group interface for customer development
About the operation of demo board:
Plug the speaker to the white outlet；
Fix the antenna to the demo board；
Connect the DC power supply (or Battery) to the demo board，please pay attention to the power polarity；The DC power voltage could be 3.3V-5V, the recommend DC power is 4.0V; The current capacity should be double of the transmit current.
After connect the power supply correctly, the power Led would turn on；
When press the PTT key，The red LED for transfer state indication would turn on; Now you may talk； Release the PTT Key , Red LED would turn off，it into the receive state，you may receive the talking from opposite side ;
How to set the parameter of the module:
The Tx Frequency and Rx Frequency can be set alone.
The Tx CTCSS and Rx CTCSS can be set alone.
The parameter can’t be kept because of this demo board without MCU.
For more detailed specifications,please contact us. thanks!
The demo board is subject to be upgraded without notice!
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We are design hourse locate in ShenZhen city of China.
We provide walkie talkie module/two way radio module/FM radio module/Harm radio modue
1. Analog module:
1) 400M-480M : 0.5W, 1W, 2W,
2) 136M-174M: 1W, 4W
2. Digital module: DMR type
1) 400M-470M: 2W, 4W, 5W(Full duplex)
3. Demo board for most of above module;
4. We can provide the technical support for you.