SA818 Wireless Walkie Talkie Module UHF 400-480 MHz Audio Module

Was: 15.75
Price: 9.31

nullManual Click here to openIntroduction SA818 is a cost effective integrated professional walkie talkie module with built in high speed microcontroller high performance RF transceiver chip and RF power amplifier and provides standard TTL serial port to communicate with the module which can quickly and easily set the relevant parameters of the module and Transceiver function for 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 make this module widely available and can be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal products Feature UHF band 400 480 MHZTransmit receive frequency independentBandwidth 12 5 KHzOutput power up to 1WOpen distance is 4 5 kmHigh receiving sensitivity 124 dBmHighly integrated small volume38 level CTCSS analog sub audio code166 level positive phase inverted CDCSS digital sub audio8 level squelch8 level adjustable volumeHigh and low power options 500mW 1W Wide operating voltage 3 3 5 5 VBuilt in EEPROM data power down saveStable with 1ppm TCXO crystalApplications Small walkie talkieIgnore the intercom systemBuilding community security systemOutdoor sports productsAudio monitoring systemParameterTest ConditionsMIN TypicalMAX UNITOperating voltage range 3 34 25 5VOperating temperature range 302570℃Current consumptionSleep current≤1 uAReceiving current60
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