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Home Brief description of microRFID module
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All RFID & related products
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Coils RFID Coil Antenna technical details
Cards & Fobs Description of:- Credit Card Transponder,
Keyfob read only tag, Keyfob R/W tag
Readers Technical description of;- EM4100 RFID read only PCB module,
RFID R/W PCB module, T557 Keyfob.
Qkeypad Technical description of (Qukeypad) Proximity keypad
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Technical Information Pages
RFID Basics What is RFID? How RFID’s work? Types of RFID Transponders
EM4059 RFID IC Technical information and schematic
U2270B RFID IC Technical information + schematic antenna inductance calculation.
T5557 IC Protocol Reading the T5557 RFID Transponder IC, Memory structure
Sending Read/Write commands, Transponder power up.
EM4100 Protocol EM4100 Protocol description, Reading an EM4100 Transponder Tag,
Data Modulation, Manchester encoding, Bi Phase scheme, PSK encoding.
TTL to RS232 Con Technical details and specification, simple TTL to RS232 converter.
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