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- SKU: 05442
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SA818S-UHF 1W, 400~480 MHz, 4~5 Km Analog Walkie Talkie Module
The SA818S-UHF is a cost-effective integrated professional walkie-talkie module, built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides a standard serial port to communicate with the module, so that the relevant parameters of the module and the transceiver can be set quickly and easily. Function to control. Users only need to connect an audio amplifier, microphone, and speaker to this module to work as a small walkie-talkie. The simplified interface and ultra-small size enable this module to be widely used, and it can also be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal product. SA818S strictly uses lead-free technology for production and testing, and meets RoHS and Reach standards.
Features
- UHF band frequency: 400~480 MHz
- Tx and Rx frequency, Tx and Rx CTCSS, CDCSS can be set alone.
- Band width: 12.5 KHz / 25 KHz
- Output power up to 1W
- Distance up to 4-5km in open area
- Sensitivity：-124 dBm
- High-integrated, Small Size
- 38 CTCSS
- 166 CDCSS
- 8 level squelch
- 8 adjustable volume
- High/ low power is optional（500mW/1W）
- Wide range of working voltage: 3-5.5 V
- 1 ppm KDS TCXO crystal, Stable performance
Applications
- small walkie talkie
- Invisible intercom system
- audio surveillance system
- Outdoor Sport products
- building community security system
