Active antennas for multiple bands in wireless portable devices

A wireless device, comprising:

• one or more antennas;
• and
• at least one multiband transmitter, receiver or transceiver;
• a tuner associated with said at. least one multiband transmitter, receiver, or transceiver;
• and
• a controller for controlling tuning of the tuner to a plurality of different bands
• wherein at least one antenna of said one or more antennas is used by said at least one multiband transmitter, receiver or transceiver in a plurality of different bands.

A wireless device, comprising:

• at least one multiband antenna;
• at least one multiband transmitter, receiver or transceiver;
• and
• a tuner associated with said at least one multiband transmitter, receiver, or transceiver, said tuner matching said at least one multiband antenna to said at least one multiband transmitter, receiver or transceiver in a plurality of different bands.

A wireless portable device, comprising:

• one or more antennas radiating or receiving electromagnetic energy at particular frequency bands, at least. one of said one or more antennas radiating or receiving electromagnetic energy at a plurality of particular frequency bands;
• one or more components selected from the group consisting of receivers, transmitters and transceivers, said one or more components connected to said at least one of said one or more antennas, whereby
• at least one of said one or more components transmits or receives electromagnetic energy at two or more of said plurality of particular frequency bands, or
• two or more components transmit. or receive electromagnetic energy at two or more of said plurality of particular frequency hands.