Current: 23mA(5V);40mA(9V); 53mA(12V) Power: 10dBm(5V);14.5dBm(9V);16.6dBm(12V) Working temperature: -40-+85 Wireless Receiver RXD1 -434MHz A radio receiver is an electronic circuit that receives its input from an antenna , uses electronic filters to separate a wanted radio signal from all other signals picked up by this antenna, amplifies it to a level suitable