UMTS-GSM dual mode timing device

Unbalanced coding for cordless telephony

Unbalanced FET mixer

Unbroken primary connection switching between communications...

Unbroken primary connection switching between different...

Unbroken primary connection switching between different...

Unconditional call forwarding in a wireless centrex services...

Unconditionally stable filter

Unconditionally stable on-chip filter and applications thereof

Unconnected power save mode for improving battery life of...

Unconnected power save mode for improving battery life of...

Uncoordinated frequency hopping cellular system

Uncoordinated microwave paths in coordinated frequency bands

Underwater communications system

Underwater communications system comprising relay transceiver

Underwater communications system with adaptable carrier...

Underwater remote sensing

Undesirable energy suppression system in a contention based comm

Undesirable energy suppression system in the return path of a bi

Undesired signal canceller