Link Budget Calculator
Calculate RFID link budget including reader power, cable loss, antenna gain, and tag sensitivity.
发射器（读写器）
信道
包括极化失配、多径传播、障碍物
接收器（标签）
| EIRP | dBm |
| 自由空间路径损耗 | - dB |
| 额外损耗 | - dB |
| 标签天线增益 | + dBi |
| 标签处的接收功率 | dBm |
| 标签灵敏度 | dBm |
链路余量
dB
常见问题
Yes, all tools on RFIDFYI are completely free with no account required. Tools run entirely in your browser (client-side JavaScript) and do not send your data to any server.
All tools are fully responsive and work on smartphones, tablets, and desktop browsers. Calculation and encoding tools work on any device.