The GT-HSA is part of Aiphone
Power Supply: 24V DC - Use PS-2420UL (for GT-BC, GT-VBC, GT-NS, GT-MK, GT-BCX, and GT-2C)
Current Consumption: GT-BC: 0.9 A, GT-VBC: 0.9 A, GT-NS: 0.13 A, GT-MK: 0.18 A, GT-BCX: 0.35 A, GT-2C: 0.26 A, GT-2H: 0.11 A
Call Tone: There are three different types of call tones: from entrance station, security guard station, and doorbell
Talk & Video Path: Secure single channel
Door Release: Connecting terminals: between ELM - ELC (N/O) and ELB - ELC (N/C) Specifications: less than 4A (resistance load), 24V AC/DC, dry closure contact
Wiring: Two conductor cables (Aiphone #872002 for audio and Aiphone #871802 for video)
Type of Cables: Pair cable (solid wire - not stranded), polyethylene insulated, low cap, diameter 20AWG-18AWG
