The HITAG 1 chip features a 2k-bit memory and supports encrypted data transmission. It enables bidirectional communication between the reader/writer and the transponder in Half Duplex Mode. Operating at a frequency of 125 kHz, HITAG 1 RFID cards are primarily utilized for identification and access control, including fitness club entry, locker management, and logistics tracking. Proud Tek employs advanced RFID card production technology to create HITAG 1 chip cards with a flat surface for optimal printing results.