Description
Introduction RFID (radio frequency identification) technology, also known as radio frequency identification, is a kind of communication technology. It can identify specific targets and read and write relevant data through radio signal without establishing mechanical or optical contact between identification system and specific targets. 2、 Performance parameters 1. Chip: ntag213 2. Working frequency: 13.56MHz 3. Maximum gain: 1.5dbm 4. Size: 5x5mm 5. Standard: 14443a, 144 bytes memory 6. Times of reading and writing: > = 100000 times 7. Service life: > = 10 years 8. Sensing distance: about 8-20mm (depending on the card reader) 9. Power supply mode: contactless data transmission and power supply 10. Working temperature range: - 20 to 85 ℃ 3、Main characteristics and Application Bluetooth headset, Bluetooth speaker pairing, support IC card door forbidden function Package includes:5pcs/set Preview: