SA818 1W Embedded small size walkie talkie module Product Specification
■SA818 is a cost-effective integrate professional walkie talkie module, it comes with built-in high performance microcontroller, narrow band RF transceiver IC and RF power amplifier,SA818 offer standard UART interface, which easy to configure the related parameters and control the TX/RX function, Users only need to add external audio amplifier, microphone and speaker, then it becomes a professional walkie talkie, Simplified interface and Ultra small size make this module widely used in various applications and conveniently embedded into various handheld.
●Features
■UHF band frequency: 400~480 MHz
■VHF band frequency: 134~174 MHz
■Tx and Rx frequency, Tx and Rx CTCSS,CDCSS can be set alone.
■Band width 12.5 / 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 3.3-5.5 V
■Built-in EEPROM，data saved even powered off
■1 ppm KDS TCXO crystal, Stable performance
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integrate professional walkie talkie module 、 Embedded small size walkie talkie module |
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[ small walkie talkie ][ Invisible intercom system ][ audio surveillance system ][ Outdoor Sport products ][ building community security system ][ audio amplifier ][ microphone ][ speaker ][ walkie talkie ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021-8 |
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Rev 3.4 |
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974 KB |
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