How does a Bluetooth chip get heard 550 km away?
@MaxMaxfield asked our CTO Ben Wild. Slow the data rate to a few hundred bits per second and add error coding, and receiver sensitivity goes from -100 dBm to -140 dBm. A 100+ antenna phased array adds another 20 dB. About 15 dB of margin left over.
Full breakdown in EE Journal:
eejournal.com/article/now-an…
@MaxMaxfield asked our CTO Ben Wild. Slow the data rate to a few hundred bits per second and add error coding, and receiver sensitivity goes from -100 dBm to -140 dBm. A 100+ antenna phased array adds another 20 dB. About 15 dB of margin left over.
Full breakdown in EE Journal:
eejournal.com/article/now-an…
www.eejournal.com Now ANY Bluetooth Device Can Enjoy Satellite Connectivity I find it hard to wrap my brain around how something as innocuous as Bluetooth can suddenly start impinging on my consciousness (and my Bluetooth-equipped [...] 
