Specifications of XC-RT739 Desktop RFID Reader

PhysicalDimensions345 x 270 x 25.5 mm; (13.6 x 10.6 x 1 in)
Weight2.5 kg (5.5 Lbs)
Case MaterialAluminum Alloy, Tempered Glass
EnvironmentalOperating Temperature-10˚C to 55˚C (14˚F to 131˚F)
Storage Temperature-15˚C to 60˚C (5˚F to 140˚F)
Humidity Range5% to 90% RH, non-condensing
Power   SourceAdapter (not included)AC/ input 100V-240V, 50 - 60Hz; DC/output 4.5~6V/4A; Supply current >=   2A; Supply jitter <100mV
Performance   ParameterReading Range0 to 3 m (adjustable by power settings)
Multiple Tag ReadingUp to 20 tags
RF Boundary< 20 cm
RF Output Power0 to 27 dBm,   configurable in 1 dBm steps
Communication/NetworkHost InterfaceUSB
IndicatorsPower indicator, LED indicator and Buzzer
UHF   RFIDSupported ProtocolsEPC global UHF Class 1Gen2; ISO/IEC 18000-63
Frequency920 to 925 MHz