Physical 1. Material: ABS enclosure 2. Size: 105 mm( L) x70 mm ( W) x11mm (H) 3. Interface: USB 1.1, cable length of 1 meter 4. Antenna: Build-in circular polarization antenna 5. Weight: 80 gram 6. Protocol: ISO18000-6C & EPCglobal Class I Gen 2 Electrical 1. Power supply: DC 5V / 90 mA 2. Frequency: FCC 902~ 928 Mhz 3. Read / write Distance: 180 mm( read) / 80 mm ( write) 4. Peripheral Equipment: LED, Buzzer 5. Working model: Hopping FHSS or fixed 6. Output power: 0- 13 dBm ( Software adjustable)Other features1. Software: Demo software, SDK, DLL 2. Anti-collision: Tag processing algorithm, multiple tags operation allowed Environment 1. Operating condition: -20 ~ 60 C, 5~ 95% RH, no condensation 2. Storage condition: -5 ~ 45 C, 5~ 95% RH, no condensation 3. Certification: CE, FCC