Slim DP - Alphatech (en)

New model 2010 makes it possible to connection keyboard. Keyboard is next, mechanical  in the same way big modulus, includes buttons 0 - 9, further key for hang-up and key "key" for entry code. Keyboard connect with SlimDoorPhone by cable connect to programming connector. Keyboard includes next relay and is possible he control by phone  (DTMF dial), on keyboard it is possible enter telephone number and dial so phone numbers and by force of 10 codes it is possible activate relay in keyboard and relay in SlimDoorPhone.