Packaging materials: Molding Protocol standards: NTXIAS 14443, NTXIAS 15693 Frequency ratio: 13.56MHz RFID chip: NXP Mifare 1K S50, TI, Ultral, etc Product size: 4mm×4mm; 5mm×6mm Product thickness: 0.5mm Antenna material: copper etching antenna (BT material substrate) Read distance: 0~50m (depending reader,RFID nti, protocol standard, environment) Surface logo printing: laser code ( two-dimensional code, NTSAWS) Ua hauj lwm kub: -25°C.+80°C (-13°F.+176°F) Cia qhov kub: …