| 参数 | UM2455 | CC2500 | NRF24L01 |
| 频率 | 2.4G | 2.4G | 2.4G |
| 调制方式 | QPSK/DSSS | MSK | GFSK |
| 最大传输速率 | 625Kbps | 500Kbps | 2Mbps |
| 接受灵敏度 | -92dbm@625kbps | -85dbm@500kbps | -85dbm@1Mbps |
| 传输距离 | 100米 | 20米以上 | 10米以上 |
| 可靠性 | CSMA/CA | None | None |
| TX电流 | 23mA | 21mA | 12.3mA |
| RX电流 | 20mA | 19mA | 11.3mA |
| 校验 | Auto ACK | None | None |
| 可带终端数量 | 8 | 8 | 6 |
| CRC | YES | YES | YES |
| 安全性 | AES 128-bit | None | None |
| RSSI | YES | YES | None |
| DSSS | YES | NO | NO |
| Cost | Low | OK | OK |
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