Videx 4812/4G -500 user 4G GSM intercom with A-F

Digital 4G GSM module with A-F for up to 500 users. Two modules size with back lit graphical LCD display, back lit keypad, voice call progress information. Calls up to 500 apartments each with up to 4 telephones and 500 access codes. Dial in to open facility and extensive programming options. Proximity access control integrated as standard. With alpha letters A-F **When used in conjunction with 4882 back box, the middle support bracket must be removed prior to fitting