1. Micro processor: 32-bit CPU 2. Display: 128x64 dot, EL backlight, 8x4 lines Chinese characters (16x8 lines western characters), and one-line icons 3. Memory FLASH MEMORY: 16Mbit (can be extended to 64Mbit); DRAM: 16Mbit; 4. Keyboard: 16 keys with backlight, one jog dialer 5.IC card interface: 1 standard (8 pins full function) IC card interface, 1(8 pins full functions) SAM card socket (optional), compatible with card accord with T=0/T=1 protocol 6. Communication interface: 1 standard RS232 interface, 1 IrDA interface. 7. Batteries systems: 850mAH recharge lithium battery 8. Working environment temperature: -20oC-50oC 9. Relatively humidity: 45%RH?5%RH (no coagulate dew) 10. Power: average<0.5W, max<3.5W 11. Physical Characteristics: Length:12.7cm; Width:6.2 cm; Height: 2.3 cm; Weight: 0.13kg 12.Contactless part (illustrated with Mifare 1) -Working frequency: 13.56MHZ -Ant collision: be able to read/write several cards at one time -SAM card operation, read/write CPU card accord with T=0/T=1 protocol -Read/write distance: within 15mm