Cockpit of a boat is my guess.

280 North from a trailer's windows (wipers)? That looks like a bridge/overpass. Below is a (red) traffic light I think. Given there aren't any other cars, it probably isn't the Bay Bridge. Also there is a section on 280N where it conjoins/merges. The large pillar indicates the lower deck, which is north bound. I'm still confused about the direction of the windows, unless they are side windows with wipers. If I was at a computer, I guess I could download the image and look at the geo meta data too... Edit: given the distance from the overpass/bridge, maybe this is from a parking garage or nearby hill?

3/4G antennas to keep up with all the Netflix and Youtube streaming going on inside the trailer, or boat.

Not 280, there are no tall buildings along 280, are there?

Dexter Lau - serious detective work there, but the mystery is in the foreground, not the background :)

For the curious the background is the 880 overpass at Adeline. 

Interesting Christmas lights?

A try to use some Chromecasts on Windows?

Those are multiple cellular data dongles, mounted on the bus windshield, and all feeding into a combined, high-bandwidth wifi hotspot on the bus.  

The photo size seems to be slightly cropped and zoom used. The orientation relative to the road suggests this is facing forwards and the lack of a driver in the photo indicates a large windscreen, maybe a coach/bus where he/she is sitting lower relative to the passengers?

As to the rectangular boxes... looks like they were stuck on with adhesive, as the right hand side ones looks like they're becoming badly unstuck! They also look electrical as they're all connected up with what appears to be wiring. Maybe those electronic LED signs showing locations, perhaps destinations?

Vitor Rodrigues and Christiaan Adams got it right!  You see 14 3G/4G usb data dongles connected to a wifi access point inside a bus.  Now you can truly underestimate the bandwidth of a bus full of tapes (and usb sticks). 

And thanks to CircleCount for the lolz..  Chromecast on windows indeed :)

I'm Sure that's not your bus .... but there are more elegant installation methods to achieve that goal :)