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10pcs/lot SA818 – VHF | UHF Walkie Talkie Module 1W 3.5km – 5km long distance RDA1846S chip 134 – 174MHz walky talky module

US $118.75
14-28 Days
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10pcs/lot SA818 – VHF Walkie Talkie Module 1W 3.5km – 5km long distance RDA1846S chip 134 – 174MHz walky talky

SA818 is a low cost but high performance integrated walkie talkie module.With built-in high performance microcontroller, narrow band rf transceiver and standard UART interface it can be easily used and succeed all the walkie talkie function with good quality voice and long distance transmission. Users only need to connect external audio amplifiers, microphone or speaker with this module ,then it can work as a small walkie talkie with 1W output. In open area, it can easily achieve 3.5-5Km communication. Simplified interface and ultra small size make this module a wide range of applications, also can conveniently embed into various handheld devices,to improve the comprehensive performance of end products.

Product Picture:

Electronic Specifications:


*Frequency: 400 ~ 480 MHz (UHF) /134~174MHZ (VHF)

*Tx and Rx frequency, Tx and Rx CTCSS,CDCSS can be set alone.

*Band width 12.5/25KHz

*Output power up to 1w

*Transmission distance up to 3.5 to 5 km in Open area

*Sensitivity: – 124 dBm

*Small size

*Built-in EEPROM, data kept unchanged even powered off


*166 CDCSS

*8 level squelch

*8 adjustable volume

*high/ low power is optional (500mw-1w)

*wide range of working voltage 3.3 to 5.5 V

*1ppm KDS TCXO crystal


*small walkie talkie

*Invisible intercom system

*Sport products

*building community security system

*audio surveillance system

  • 10pcs VHF (134 – 174 MHz) Walkie Talkie Module SA818

If you need UHF(400~480MHz) frequency, just leave message please.

Shipment: Free shipping by China post


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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

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