125KHz RFID card has lower read range and communication speeds than other RFID Card types and the most common chips offer low-cost and low-security solutions where a simple UID or identification key is required.Chip available such as TK4100,EM4102,EM4200,ATA5577,EM4450, EM4305 ، Hitag 1, هيتاج 2, Hitag S. 256, Hitag S. 2048 إلخ.