RFNB-Fi vs LPWAN: Key Differences and Comparison
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This article compares NB-Fi with other LPWAN (Low Power Wide Area Network) technologies. NB-Fi is itself a type of LPWAN technology. Let’s dive into a comparison table highlighting the key differences.
NB-Fi vs. Other LPWAN Technologies
The following table outlines the comparison between NB-Fi and other LPWAN wireless technologies based on various specifications.
| Specifications | NB-Fi | LPWAN |
|---|---|---|
| Spectrum efficiency | Higher | Lower |
| Channels in 50 KHz (500 KHz) | 1024 (10240) | 4 (0) |
| Link budget | -174 dBm | -161 dBm |
| Gateway capacity | 20 Lakh + devices | 2.5 Lakh devices |
| Preamble sequence size | 4 bytes | 10 to 100 bytes |
| Battery efficiency | Higher | Lower |
| Transceiver cost | $5 | $8 |
Reference: http://nb-fi.org/en/
Key Takeaways:
- Spectrum Efficiency: NB-Fi boasts higher spectrum efficiency compared to other LPWAN technologies.
- Link Budget: NB-Fi has a better link budget (-174 dBm) compared to the -161 dBm of typical LPWAN, indicating better sensitivity and range.
- Gateway Capacity: NB-Fi gateways can handle significantly more devices (20 Lakh+) compared to other LPWAN (2.5 Lakh).
- Battery Efficiency: NB-Fi is designed for better battery life.
- Transceiver Cost: NB-Fi transceivers are generally less expensive.
