HDL

electrical metal latches and strikes

electric rim locks, gate operators, intercoms, apartment intercoms, telephones, wired telephones, videodoorphone intercoms, private branch exchange systems comprised of extension assembled printed circuit boards, line extra assembled printed circuit boards, voice over internet protocol assembled printed circuit boards, and voice over IP interface assembled printed circuit boards, all from 1 to 744 extensions with analog or digital telephone line inputs for homes, hotels, buildings and offices application; stand alone telephones with voice over internet protocol technology; access controls, namely, radio frequency transmitters, electronic card readers, proximity card readers, keyboards, biometric fingerprint scanners, voice and iris activated, digital video recorders and video servers, closed circuit television cameras and closed circuit television internet protocol cameras