UHF RFID Reader Module
• Support EPC C1Gen2 V2.0 and EPC C1Gen2 V1.2
• Support ISO18000-6C；
• Support ISO18000-6B;
• Support GB 29768;
• Max Power can reach 30dBm,reading distance is more than 6meters；
• Low power consumption mode for handheld PDA application scenarios, the average power consumption is reduced by 50% compared to normal mode；
• Support thermal protection. The module will stop
• working when temperature is over 85℃ ; it will resume work when temperature is under 85℃；
• Starting time is less than 200ms；
• 7*24 Hours of continuous working；
• Fast writing mode: it can write 12 bytes EPC in 100ms；
• It is suitable for industrials like apparel, retail, electricity,library, warehouse, industrial automation；
Technical Data| No | Item | Technical data | Remark |
| 1 | Fixed current | 1100mA | 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 | 30dBm | |
| 8 | Stepping interval | 1dB | 5~30dBm,adjustable by software |
| 9 | Max reading speed | 200pcs/sec | |
| 10 | Communication protocol | Asynchronous serial ports protocol | |
| 11 | Starting time | ≤200ms | |
| 12 | Radio-frequency power rising time | ≤500μs | |
| 13 | Radio-frequency power dropping time | ≤500μs | |
| 14 | Max reading range | >6m |
Environment Requirement| No | Item | Technical data | Remark |
| 1 | Working temperature | -20℃～+70℃ | |
| 2 | Storage temperature | -20℃～+85℃ | |
| 3 | Relative humidity | 10%RH～90%RH |
Appearance and Structure
Characteristics of DC
| Data | Mini value | Typical value | Max value | Remark |
| Voltage of power | 3.3V | 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 |
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 | NC | ||
| 9 | UART_RX | Input | TTL Asynchronous serial interface receiving |
| 10 | UART_TX | Output | TTL Asynchronous serial interface sending |
| 11 | NC | - | |
| 12 | NC | - |
Design Reference
