We are offering rfid readers.
Specification
processor: cortex 32 bit
display: 320240 pixels 2.8" tft display
gsm: quad band, multi-slot class 10
gps: without aid: 3.0 m (50% cep) *
reader interface: 125 khz
reading distance: 2-3 cm
communication: usb,gprs
power supply: builtin li-ion battery
size: 105 mm * 75 mm * 25 mm
enclosure: abs, black