KNOKR APC220 Wireless RF Serial Data Modules With Antennas USB Converter Module Adapter Kit Fit For Arduino 3.3V-5V Wireless modules

Learning code for wireless transmission modules with high security, repeat rate and repeat learning mode Wireless sensor; Automated Meter Reading (AMR); Industrial Automation; The control of traffic signal; Wireless handheld terminal; Remote control and monitoring; The control of robot, etc. Other Working voltage: 3.3~5V; Transmission distance: 800~1000 meters; Speed: 1200/2400/4800/9600/19200/38400/57600bps; Working frequency: 431~478Mhz (1KHz step); size:4.7x1.8x1.1cm Material:ABS colour:black Package Contents: 2 * Wireless RF modules 2 * Antenna 1 * USB converter module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.