Chophatikizira cha L-band ndi chipangizo chamagetsi chomwe chimaphatikiza ma siginecha angapo mumtundu wa pafupipafupi wa L-band. Amadziwikanso kuti wideband frequency combiner. Chophatikizira cha L-band ndichofunikira pawailesi yowulutsira chifukwa ndi chida chomwe chimalola ma transmit angapo kuti alumikizike ndi mlongoti wamba powulutsira. Popanda chophatikizira cha L-band, ma transmitter sakanatha kulumikizidwa palimodzi, ndipo wailesi yowulutsira siitha kugwira ntchito. Chifukwa chake, chophatikiza cha L-band ndichofunika pawailesi yowulutsira.