Abstract: An apparatus and method for sharing antenna allow an antenna to be shared simultaneously by two modems and a reduction in antenna count. The apparatus includes a first modem and a second modem and a switch system is arranged to selectively connect one of the first and second modems to a first antenna and selectively connect one of the first and second modems to a second antenna. A pass through output is associated with the first modem and arranged to selectively output at least a portion of a received signal to the second modem. The pass through output allows some or all of the received signal to be passed on to the second modem, so both modems can share same antenna at the same time.