UHF RFID Reader Module
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• Support EPC C1Gen2V2.0 and EPC C1Gen2V1.2;
• Support ISO18000-6C; • The maximum output power 32dBm, and reading distance can reach more than 15 meters; • The low power consumption mode of the handheld PDA application scenario, the average power consumption is reduced by 50% compared with the ordinary mode; • Support temperature protection, if the temperature exceeds (85 degrees Celsius), it will automatically stop working, if the temperature is lower than (85 degrees Celsius), the device will automatically resume work; • Antenna fault detection; • The power-on startup time is less than 200ms; • 7*24 hours continuous trouble-free work; • Ultra-fast label writing mode, 12-byte EPC can be written within 100ms; • Applicable to clothing, retail, electricity, books, warehousing, industrial automation and other industries; |
Technical Data
| No | Item | Technical data | Remark |
| 1 | Fixed current | 1450mA | Max power output@5V |
| 2 | Average current | ≤300mA | Power saving mode |
| 3 | Standby current | ≤1mA | EN pin low level |
| 4 | Frequency range | 840MHz～960MHz | |
| 5 | Default working frequency | Frequency hopping | Frequency interval 250KHz |
| 6 | Frequency hopping speed | ≤2s | |
| 7 | Fixed power | 32dBm | |
| 8 | Stepping interval | 1dB | 5~32dBm,adjustable by software |
| 9 | Max reading speed | 250pcs/sec | |
| 10 | Label protocol |
EPC C1G2 /ISO18000-6C |
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| 11 | Communication protocol | Asynchronous serial ports protocol | |
| 12 | Starting time | ≤200ms | |
| 13 | Radio-frequency power rising time | ≤500μs | |
| 14 | Radio-frequency power dropping time | ≤500μs | |
| 15 | Max reading range | 15m |
Environment Requirement| No | Item | Technical data | Remark |
| 1 | Working temperature | -20℃～+70℃ | |
| 2 | Storage temperature | -20℃～+85℃ | |
| 3 | Relative humidity | 10%RH～90%RH |
Design Reference
Characteristics of DC| Data | Mini value | Typical value | Max value | Remark |
| Voltage of power | 3.8V | 5 | 5.5V | Direct current |
| Input high level | 2V | 3.3V | 3.5V | GPIO |
| 2V | 3.3V | 3.5V | EN | |
| Input low level | -0.5V | 0V | 0.5V | GPIO |
| - | - | 0.18V | EN | |
| Output high level | 2.3V | - | 3.3V | GPIO |
| Output low level | 0V | - | 1V | GPIO |
| Enable current | 2uA | 5uA | 25uA | VEN≥2V |
Requirement on Antenna
| No | Item | Technical data | Remark |
| 1 | SWR | ≤1.5 |
Appearance and Structure
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12Pin Connector Drawing
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Front view of the reader module
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Interface Definition| Pin | Signal name | Signal direction | Function/compatibility description |
| 1 | VCC | Input | Module supplying power |
| 2 | VCC | Input | Module supplying power |
| 3 | GND | - | Module connecting ground |
| 4 | GND | - | Module connecting ground |
| 5 | EN | Input | Module enabling，highly effective |
| 6 | GPIO1 | Bidirection | Generic port |
| 7 | GPIO2 | Bidirection | Generic port |
| 8 | GPIO3 | Bidirection | Generic port |
| 9 | UART_RX | Input | Asynchronous serial interface receiving |
| 10 | UART_TX | Output | Asynchronous serial interface sending |
| 11 | NC | - | |
| 12 | NC | - |
| Pin | Signal name | Signal direction | Function/compatibility description |
| 1 | VCC | Input | Module supplying power |
| 4 | GND | - | Module connecting ground |
| 5 | EN | - | Module enabling，highly effective |
| 6 | GPIO1 | - | Generic port |
| 9 | UART_RX | Input | Asynchronous serial interface receiving |
| 10 | UART_TX | Output | Asynchronous serial interface sending |
