Transceiver Module 433MHz Bus RF Serial Port RS485 UART Transceiver Module DTU for PTZ Camera Item Type: Transceiver Module Material: ABS+PCB Model: RT38B01 Working Voltage: 4.5V-5.5V Interface: RS485(5V GND A+ B-) Operating Frequency: 433MHz(up to 255 communication channels) Transmit Power: -40 to +20dBm Receive Sensitivity: -114dBm Working Temperature: -25℃ to +75℃ Transparent Transmission Mode Baud Rate: 1200, 2400, 4800, 9600(default), 19200 Open Ground Transmission Distance: 500MApplication: For IP PTZ cameraFor R4D3C32 N4D8B08 N4D8C12 RS485 relay Temperature sensor LED controllerRemote control, telemetry systemWireless instrument Smart home, home automationAccess controlSmart meterRecognition systemData collectionIT appliancesSmart appliancesBaby monitoring system,Thermometer