How to use T8200Pro-G to find defect of a RFID card？
One of our customer purchase a batch of 30x50mm dual-frequency epoxy card with Mifare Plus X4K (HF) and TK4100 (LF). The cards had passed the test during fabrication. Resonant frequency test is normal, customer requirement 14.0±0.5MHz. Reading and writing function test is normal, both universal card readers and mobile phones can read and write, including UID. After receiving […]