This one has a dark black background with the outlines of the electronic gadgets and their boxes in different colors.
This one is more like a photograph of a shop window of a mobile phone shop, a graphic representation.
A dark dotted effect is given to the above photo.
You might like: Cell or mobile phone images and sketches of different types or Laptop Sketches
Or try all the images filed under Graphic Art or Backgrounds
For more electronic items: Apple Ipod stock photo
For photos of cell phone towers: Mobile phone towers in urban areas