RS485 Wireless Transceiver 433MHz 20dBm 500m VHF UHF Radio Modem Module Transmitter Receiver

Descrição de RS485 Wireless Transceiver 433MHz 20dBm 500m VHF UHF Radio Modem Module Transmitter Receiver

Product Details ①. Long-distance wireless transmission up to 500m in open area ensures stable data communication over a large range ②. 433 - 458.5MHz frequency range with up to 255 channels supports flexible and interference-free communication ③. Built-in MCU and serial port communication allow easy connection with external devices for convenient data transmission ④. Support for one-to-one and one-to-many transparent transmission through ID setting meets various communication needs ⑤. 'Critical three minutes' power-on period enables parameter setting via AT command for customised configuration Specification ①. Material: Plastic + Metal ②. Colour: Blue ③. Size(without antenna): 74 x 24 x 16mm (2.91 x 0.94 x 0.63 inches) ④. Working voltage: 4.5V-5.5V ⑤. Interface: RS485(5V GND A+ B-) ⑥. Frequency: 433MHz ⑦. Transmit power: -40~+20dBm ⑧. Receiver sensitivity: -114dBm ⑨. Operating temperature: -25C~+75C ⑩. Transparent transmission mode rate: 1200, 2400, 4800, 9600(Default), 19200 ⑪. Compatible with IP PTZ Camera, Modbus temperature sensor, LED Controller, R4D3C32, N4D8B08, N4D8C12 RS485 Relay, remote control systems, remote measurement systems, wireless meters, Home Automation, Wiser Home, access control, smart meters Package Contents ①. 2 x 433M-458M VHF/UHF Radio Modem RS485 transceiver(With shell) Warm Tips ①. Recommended to use more than 2pcs for optimal performance ②. For 1/2PCS, Module 1 and Module 2 can send data to each other ③. For 3 or more PCS, one as master device and others as slave devices, working like a wired RS485 bus ④. Only one device (master or slave) is allowed to transmit data at a time ⑤. Light and different displays may cause slight color difference of the item ⑥. The measurement allowed error is +/- 1-3cm