Switch the receive filter for mobile communication.
Switch the diversity antenna.
Switch the local signal.

FEATUREs
Low insertion Loss: LOSS = 0.4dB (typ.)
High isolation: ISL = 30dB (typ.)
Low voltage operation: VC = 0 V/2.5 V
Small package: TU6 package (2.0 × 1.25 × 0.6 mm)