RFM83CL series is a low cost, high performance ASK/OOK receiver module with operating at 315/433.92MHz. The RFM83CL is different from the RFM83C in that the operating voltage is 2.1-3.6V (the RFM83C's operating voltage is 3.6-5.5V).It is Customizable for special operation frequency. It features high reliability, low power consumption, high sensitivity, high performance. It provides one additional; a shutdown pin, which may be used the device off for duty-cycled operation. It is your ideal choice for designing wireless data transmission products which can be widely used on wireless data transmission field.