| These are transmitters that use radio waves to communicate with mobile phone handsets. |
| As transmitters are switched on and new areas receive BBC digital radio broadcasts the postcode checker on the website will also be updated. |
| With just a couple of electronic components that cost at most a dollar or two, you can build simple radio transmitters and receivers. |
| The Lorenz beam system for blind landing consisted of two transmitters located on opposite sides of the airstrip runway. |
| This relays a signal which is picked up by mobile phone transmitters along the rail route. |
| The book is a practical reference for professionals who create amplifiers suitable for linear transmitters. |
