zhen KYL Communication Equipment Co ., Ltd Shen Shenz Co. KYL-A102 Low Power Consumption ASK Receiver Technical parameter parameter:: Working voltage：DC 2.7~3.3V Working frequency：315MHz、433.92MHz Working current：250uA Sensitivity：-92dBm Modulation：Amplitude modulation（OOK） Working temperature： -10℃~+70℃ Size：28mm×16mm×7mm Diagrammatic introduction of pin pin： Pin Name Function 1 VCC anode 2 RXD data output 3 RXD data output 4 GND cathode Frame Size Diagram(mm): www.rf-data.com [email protected] Fax: 86-755-83408785