... board,rolling shutter controller board and other accessories. 1-CHANNEL RECEICER SERIES, R5101,R5102,R5103,R5104,----Rolling code R5105, ... R5106,R5107,R5108---Fixed code Model No R5101,R5102,R5103,R5104Frequency433.92MHZChannel1-CHANNELPower supply12-24V ... CONNECTIONworking door and window for Control board,remote, 1-channel wireless receiver with 433.92Mhz frequency