Comparing Identification Systems

Comparing Identification Systems

Comparing Identification Systems

Comparison Parameters

RFID

NFC

Barcode
Memory 16 – 64 KByte 4 KByte 1 – 100 Byte
Data density (Byte/mm2) Very high High Low
Reading possibility for one person Absent Absent Low
Interference in reading in dirty or wet conditions Absent Absent Very High
Reading interference with interposed objects Low Button Button
Resistance to chemical or environmental agents Button Button Button
Reading cost Medium Medium Low
Unauthorised copying/editing Absent Absent Low
Multiple reading Button Button Button
Reading speed Very fast Very fast Slow
Writing Possibilities Button Button Button
Writing speed Very Fast Very Fast Button
Maximum reading distance 500 m 10 cm 50 cm
Two-way Communication Button Button Button
Cryptography Button Button Button
Data Formatting Constructs Button Button Button