Compatible with most of the door-entry phones produced by leading international manufacturers. Ideal in door-entry phone system replacements and repairs. Speech button on base unit, call volume adjustment and privacy function. Features a lock-release button and an extra button for additional services with an independent common wire.
Best Access Control & CCTV Repair & New Installation in NYC
Are you in need of the Best Access Control & CCTV Repair & New Installation in NYC? Have you experienced difficulties with your security solutions’