DEMO-A-0W5 Demo board(for 0.5W UHF or VHF module)

Name: DEMO-A-0W5 Demo board(for 0.5W UHF or VHF module)
SKU: 9045
Price: 16.00 USD
Availability: InStock

0.5W Walkie talkie module/ 2Way radio module demo board /development board （for 0.5W UHF or 0.5W VHF module)

Sold By Walkie talkie module

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$16.00

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0.5W Walkie talkie module/ 2Way radio module demo board /development board （for 0.5W UHF or 0.5W VHF module)

DEMO-A-0W5 Walkie Talkie Transceiver/Data transfer Module Demo Board (For 0.5W module only) comment The cost is just for 1 pcs; The demo board with one antenna, but without speaker and battery; …

DEMO-A-0W5

Walkie Talkie Transceiver/Data transfer Module

Demo Board

(For 0.5W module only)

comment

The cost is just for 1 pcs;
The demo board with one antenna, but without speaker and battery; speaker(1w/8ohm); Battery voltage is around 4V/1.5A, Li_ion battery is recommend.
We provide the technical support for both hardware and software, more than it, we can provide the demo code for your reference
the demo board can be used for these module evaluation as bellow:
SR105U 0.5W UHF 400M-480M
SR105V 0.5W VHF 136M-174M
Importand notes: one board can only suppory one type module, please do make a comment to tell us which module do you want in your order, in default: we'll send UHF module.

Feature

It is a full function Walkie Talkie Transceiver demo board. Only DC 4V power supply, antenna, speaker are needed. You may fastly 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.
Voice talk demo；
Data transfer demo；
A group interface for customer development
Size: 45x32mm

operation

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 ;

parameter setting

The setting command please refer 《serial communication protocol》，You may ask it from our company；
Please connect the demo board TXD,RXD , GND with the USB TO UART board Comment: We leave two UART interface for user, One is RS232 level, please add the MAX232 yourself; One is TTL level (3.0V), the sample is for TTL level.
Send uart command via the UART tools 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.

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