Comtech Telecommunications Inc. is extending its $5 per share tender offer for TeleCommunication Systems Inc. for the second time, the Melville company disclosed in a government filing Tuesday. The maker of communications gear used in satellite and mobile networks announced the $430.8 million deal on Nov. 22 and initially set a deadline to receive a majority of TeleCommunication Systems shares... Comtech Telecommunications Inc. is extending its $5 per share tender offer for TeleCommunication Systems Inc. for the second time, the Melville company disclosed in a government filing Tuesday.