Door entry phone BTK41

BTK41 is a traditional door phone with an integrated codelock. It connects by wire to one V801/B801 handset, and the A key is used for calling. It comes equipped with CCTV control, a tamper switch and a duress function.

Interface	5-wire cable to handset
Operating temperature	-35 to +50 °C. At 90% relative air humidity.
Operating temperature	10 to 35 VAC/DC
Current consumption	40 mA in standby
Dimensions (WxHxD)	80 x 200 x 40 mm