Carphone's new network goes big on free roaming in 22 countries

Carphone Warehouse has announced its own mobile network, dubbed iD, offering low price 4G and some impressive roaming capabilities.Piggybacking off the Three network, iD provides customers with free roaming in 22 countries around the world - 20 in Europe and two outside of it (Australia and the USA).That beats Three's offering of 18 countries (10 in Europe and eight outside), where you can use your bundled minutes, texts and data in the designated territories at no extra cost.Carphone is also pr