Doorbells Adastra

2 Station Telephone Style Intercom System A two station, energy saving, telephone style intercom with a simple two wire connection, allowing 2-way conversation. It features a call button with adjustab more→le call tone level. Both units are powered by 4x AA batteries (not supplied). Features: Can be free standing or wall mounted (brackets supplied) Maximum transmission range 200m Easy to set up and operate 8m of 2 wire connecting cable supplied (use 808.207UK for up to 100m distance) Both units require 4 x AA batteries (not supplied) Specifications: Power supply6Vdc (4 x AA per unit) Sensitivity

Adastra 2-way Counter Top Intercom Intercom for conversation through a glass partition comprising a desktop speaker unit with gooseneck microphone and an extension speakerphone unit, which can be posi more→tioned horizontally or vertically in the client area. Independent level controls for the main unit and client speakerphone provide tailored adjustment to overcome the ambient noise level, with muting and anti-feedback circuitry to make two-way conversation clear and intelligible. an additional output is provided for recording both sides of the conversation. Applications include ticket booths, bank counters, petrol stations and receptions. Features: Desktop main speaker unit with gooseneck microphone …