Feature:1. CONDUCIVE TO THE MINIATURIZATION: Come with high wiring density, small size and light weight, which is conducive to the miniaturization of electronic equipment2. STRONG PENETRATING POWER: Possess strong penetrating power, strong signal stability, transmission distance up to 500meter3. A VARIETY OF MODES: There are a variety of modes for you to choose from, easy to use, very convenient4. 40~+20dBm TRANSMITTING POWER: Using RS485 interface, transmitting power from 40~+20dBm, receiving sensitivity is 114dBm5. GOOD QUALITY PCB MATERIALS: Good quality PCB materials have reliability and miniaturization, good maintenance and interchangeabilitySpecification:Item Type: Master Slave Network TransceiverProduct Material: PCBProduct Model: RT18A01Working Current: 6-40mAInterface: RS485Transmitting Power: -40~+20dBmReceiving Sensitivity: -114dBmWorking Temperature: -25~75Transmission Distance: Approx. 500meter / 1640.4ft.Package List:1 x Transceiver 1 x Antenna Note:Please do not exceed the working voltage, otherwise will break down the circuit board.