The next generation of telephone users will probably laugh (1)__________ we explain how we used to stand next to a wall in the kitchen to (2)__________ a phone call. Mobile communications, already highly advanced compared with a decade ago, will completely change communications in the next few years. (3)_________ there are millions of people using mobile phones, most people know (4)_________ about the mobile telecommunications industry and its technology.
There are three types of mobile phone. There are hand portables, pocket-sized hand portables and transportables. The smallest and most popular are the pocket-sized hand portables. These work on rechargeable batteries, which allow an (5)_________ of up to 80 minutes conversation. Mobiles that are fitted permanently in a vehicle do not (6)_________ on separate batteries. They require an external aerial on the vehicle. This can mean a stronger signal with clearer (7)__________. Transportables have a high power capability and can be used (8)__________ anywhere. They come with powerful battery packs for longer, continuous use and may also be put (9)___________ a vehicle, using its electrics. They (10)__________ to be bulkier than hand portables.