2Pcs SV651 500mW 3km Long Distance Si4432 868MHz RS485 RF Transmitter Module

Descriptions SV651 is a high power highly integrated wireless data transmission module using high performance Silicon Lab Si4432 RF chip Low receiver sensitivity coupled with industry leading output power of 500 mW guarantee expand the scope and improve the link performance Module provides a multi band multi channel and network ID to reduce interference during transmission to improve the transmission performance Users can modify the software or online via PC serial port settings and the RF parametersFeatures 433 470 868 915 MHz Customizable 240 930 MHZ Interface TTL RS232 RS485 Optional 40 channels 4 bytes net ID 2 bytes node ID Multiple air data rate GFSK modulation Bi Direction communicationParameters configurable Parameters saved even powered off Sensitivity 121 dBm Max output power 500mWVoltage 3 3 6 5VTemperature 40 85 °C Specifiation ParameterMin Typ Max UnitConditionsOperation conditionsSupply Voltage2 85 06 0VTTL4 55 05 5 232 485Operating Temperature 4025 85°C Current consumptionRX Current 25 mATTL 34 mA485 32 7 mA232TX current 350 mA 27dBmSleep Current ≤5 uA RF parameterFrequency414 92433 92453 92MHZ 433MHZ470 92470 92509 92MHZ 470MHZ849 92868 92888 92MHZ 868MHZ895 92914 92934 92MHZ 915MHZAir data rate1 29 638 4KbpsGFSKOutput power20 27dBmSetting by softwareSensitivity 121 dBm 1 2kbps Application Remote control telemetrySecurity systemIndustrial data acquisitionHome automationWireless data communicationAccess systemRobot controlWireless