Each unit has a backlighted screen, an internal antenna and volume control.

It is most notable as being the first mobile phone to have an internal antenna.

Instead, it featured an internal antenna, which allowed the phone to be stored in a pocket upside down.

It has a sleek black design with 2 internal antennas.

The radio was smaller than a brick phone, with an internal directional antenna and a headset.

The 3210 was one of the first mobile phones to feature an internal antenna.

A combination of cutting-edge features such as internal antennas and T9 ensured the 3210 huge commercial success.

But she said that many consumers still want phones with internal antennas.

That is because the new internal antennas are designed to better send and receive signals around the user's head.

It has six internal antennas, and is easily recognised by the blue dome on the top of its case.