Product description:(1) receiver sensitivity reach -107dBm,(2) Operating frequency: 315MHz/433.92MHz,(3) Power supply voltage input range: 3.3V-5.5V,(4) Low power consumption, 5.0V @ 433.92MHz, 3.8-4.1mA, 5.0V @ 315MHz, 2.5-2.8mA, sustained data transfer rates to (Manchester Encoded) 2.4K of(5) good selectivity and spurious radiation suppression, and easy through CE / Fcc international certification,(6) Good local oscillator radiation suppression, multiple receiver modules to work together (ie, more than single income) and will not interfere with each other, used together does not affect the receiving distance.(7) Temperature range: -30-85C can work even in harsh ambient temperature,(8) 12*10.5*5.00 (mm). Application:(1) car remote door switch (RKE),(2) remote control door opener,(3) wireless security alarm,(4) Wireless doorbell,(5) Wireless Controller,(6) a wireless data transmission.Package included:5 pcs Wireless 315Mhz Superheterodyne Receiver RXB12 for Arduino