Dual RFID keyfobs with 2 different RFID frequencies, they can work with both 125KHz LF and 13.56MHz HF RFID readers, It is a ideal solution for applications, such as: access control, time and attendance, Employee ID card, ticketing, visitor management, etc.
As the value added service, DO RFID Tag manufacturer provides the image, logo, barcode printing services upon application request, customer may also have the serial number printing or engrave on the keyfob/keytag/keychain.
LF + HF RFID key fobs are the most common dual-frequency key fobs and usually have an LF and HF antenna.Modern applications often call for multiple chips of different frequency to be contained within a small keyfob. The manufacturing challenge is to embeed the chips and antennas in such a small space that RF signals will not interfere with one another while still maintaining minimal chip and antenna blemish. we excels in engineering bespoke solutions for any conceivable combination of two or three chips in a single keyfob.
Common HF + LF dual frequency keyfobs/keytags include:
Mifare + EM4200
Mifare + TK4100
Desfire + EM4200
Desfire + TK4100
Mifare + T5577
Desfire + T5577
Mifare + Hitag
Desfire + Hitag
D.O RFID TAG Manufacture also produce LF+UHF or HF+UH RFID keyfobs . Please kindly contact us for more price list .
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LF RFID and HF RFID technologies, are fundamentally distinct technologies with substantially different capabilities. LF with short read(it's about 3-5cm) distance and UHF with long read distancecan(it 's about 1-10m) the Hybrid prox...>More >>