Features Reliability Excellent quality Long working life Reading Range: 1 to 5m & 5 to 8m Power Supply: Adapter ( +9V~+12V DC) Read Distance: 3-6m&10-20m for Options Operation An antenna used to scan the cards and an transceiver with a decoder to interpret the data. Transponder - the RFID tag are available in which the data has been programmed with information. The scanning antenna puts out radio-frequency signals in a relatively short/Long range.