| Model | UR20RW-E | UR20RW-F |
| Card Supporting | UHF Tags ,UHF Cards | |
| Working Frequency | 865MHz-868MHZ | 902MHz-928Mhz |
| Reading Distance | 0 to 5cm valid distance | |
| Protocol | EPC global UHF Class1 Gen 2, ISO 18000-6C | |
| Communication Interface | USB analog keyboard output | |
| Support Working | Supporting, Europe standard UHF reader |
Supporting, American standard UHF reader |
| Working Voltage | DC 5V (±4%) | |
| Working Current | 50 to 300mA | |
| Working Temperature | -10°C to +60°C | |
| Storage Temperature | -20°C to +60°C | |
| Dimension | 107*107*23mm (±2mm) | |
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