Amazon Sidewalk vs. Sigfox
Comparing 2 standards across 13 specifications. 13 key differences identified.
Amazon Sidewalk is a low-bandwidth, community-shared wireless network protocol developed by Amazon. By pooling a tiny fraction of internet bandwidth from compatible residential 'Sidewalk Bridges' (Echo speakers and Ring doorbells), it uses 900 MHz LoRa/FSK and 2.4 GHz BLE to connect outdoor smart lights, pet trackers, and package sensors beyond home Wi-Fi reach.
Sigfox is a proprietary, global Low-Power Wide-Area Network (LPWAN) protocol developed by Sigfox (now UnaBiz). Operating in unlicensed sub-GHz ISM bands (868 MHz EU / 902 MHz US), it utilizes Ultra-Narrowband (UNB) modulation with a microscopic 100 Hz channel bandwidth to transmit tiny 12-byte payloads over extreme distances with ultra-low power.
Specification Comparison Table
13 Parameters| Parameter / Spec | ||
|---|---|---|
|
Network Protocol
|
Amazon Sidewalk Architecture | — |
|
Physical Layer Radios
|
900 MHz LoRa (Chirp Spread Spectrum), 900 MHz FSK, 2.4 GHz Bluetooth Low Energy (BLE) | — |
|
Bridge Bandwidth Pool Limit
|
80 kbps per bridge / 500 MB total monthly cap | — |
|
Network Topology
|
Shared Community Star-of-Stars Mesh | — |
|
Typical Range per Bridge
|
Up to 500m (BLE) / up to 1.5–5 km (900 MHz LoRa) | — |
|
Security Encryption
|
3-layer end-to-end encryption (Application, Network, and Device keys) | — |
|
Modulation Scheme
|
— | UNB (Ultra-Narrowband) DBPSK uplink / GFSK downlink |
|
Channel Bandwidth
|
— | 100 Hz (Europe) / 600 Hz (US) |
|
Frequency Bands
|
— | RC1 (868 MHz EU), RC2 (902 MHz US), RC3 (Japan), RC4 (Latin America/APAC) |
|
Uplink Payload Limit
|
— | 12 bytes per message |
|
Daily Message Cap
|
— | 140 messages/day per device (ETSI 1% duty cycle limit) |
|
Transmission Data Rate
|
— | 100 bps (EU) / 600 bps (US) |
|
Typical Range
|
— | 10 km (urban) / up to 40–50 km (rural line-of-sight) |