New! Embedded walkie talkie module SA818 module 134~174MHZ RDA1846S chip

Hot selling! 2pcs Embedded walkie talkie module SA818 module 400~480MHZ RDA1846S chip with 2pcs Antenna

SA818 is a low cost but high performance integrated walkit talkie module.With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface,it can be easily used and succeed in 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 ,KDS 1PPM TCXO. In open area, it can come to performance of 3.5-5Km communication. Simplified interface and ultra small size make this module into a wide range of applications, also can conveniently embed into various handheld devices,to improve the comprehensive performance of end products.

Features: Frequency: 400 ~ 480 MHz (UHF),134~174MHZ (VHF) Tx and Rx frequency, Tx and Rx CTCSS can be set alone. Band width 12.5/25KHz Output power up to 1 w Transmission distance up to 3.5 to 5 km in Open area sensitivity: – 124 DBM high integration,small size Built-in EEPROM, data kept even power off off 38 level CTCSS code / decode 166 level positive, reverse phase CDCSS digital audio 8 level squelch 8 adjustable volume high/ low power is optional (500 mw) – 1 w wide range of working voltage 3.3 to 5.5 V with 1 ppmTCXO crystal, stable performance Application: small walkie talkie Invisible intercom system Sport products building community security system audio surveillance system

Machine Dimension:

What does the Package include:

2pcs SA818-U Walkie talkie Module

2pcs Rob Antenna