P4P SS3-WM331A1704 GSM Band?

[ddh1313]

I just noticed that a modification to the P4P FCC specs was posted on 6/5/17 which shows something broadcasting at 13.6mW in what I believe might be GSM spectrum of 915.938 - 925.738 MHz.

Hopefully this has some very cool implications.

FCC ID SS3-WM331A1704 Phantom 4 Pro by SZ DJI TECHNOLOGY CO., LTD

 

[gppms]

I just noticed that a modification to the P4P FCC specs was posted on 6/5/17 which shows something broadcasting at 13.6mW in what I believe might be GSM spectrum of 915.938 - 925.738 MHz.

Hopefully this has some very cool implications.

FCC ID SS3-WM331A1704 Phantom 4 Pro by SZ DJI TECHNOLOGY CO., LTD

A tracking device maybe?

 

[Shammyh]

Ground station pro 900 would be my guess. It's definitely not 3G/LTE. There's no baseband in the hardware.

Afaik, it's never actually been implemented with the P4P though. That said, all P4Ps do in fact have that extra pair of 900 Mhz antennas hiding up near the GPS receiver.

Maybe a good question for the DJI forums or over on RCGroups.

 

[lickitysplit11111]

Hmm, that's around the time of the mandatory FW update...
Big brother's watching you....

 

[Shammyh]

Hmm, that's around the time of the mandatory FW update...
Big brother's watching you....

I assure you, it's unrelated.

The 900 mhz band was in the original FCC filing for the P4P... The OP just is looking at the wrong dates, or otherwise mixed something up.

Again, most likely, GS Pro 900, but never implemented.

 

[ddh1313]

Thanks Shammyh, I didn't consider the ground station 900 but that makes perfect sense.
Got way too excited about the prospect of flying a P4 over a cellular link (regardless of how well that might work if actually implemented).