The ID20LFWR contactless card Read/Write module is based on 3 types 125khz read and write chip. It requires an external antenna and can communicate at a distance of 5 to 6 cm. Functions are selected by a Pin jumper allowing full control of all functions. Power supply: 5 Vdc, consumption: ~ 50 mA, dimensions: 40x37,5 mm, weight: 80 grams.
Characteristics
ISP(In System Program)function Small outline Low power consumption
Specification
Supports Hitags, EM4205/4305 Frequency： 125KHz Rear/Write distance： external antenna — up to 50-60mm External antenna inductance: 345uH Read/write speed: <0.3s Communication Port： (RS232) TTL / 9600, N,8,1 Power： 5V DC Current consumption： <50mA PK<100MA Weight: 80g Operating temperature： -20 ℃ / +75 ℃ Storage temperature： -40 ℃ / +85 ℃

	Zero Volts and tuning Capacitor Ground To External antenna TX1 To External antenna TX2 To External antenna RX1 Card Present Future Format Selector (+/-) Data 1 Data 0 LED(LED/BEEPER) No Connection RXD TXD DC Voltage Supply

Reader/Writter module RFID 125 kHz

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