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Intercom Systems

An intercom lets you talk to a visitor at the door or gate, or between rooms, and release the lock from inside. This range is mainly replacement handsets and apartment stations for door entry systems such as Videx, Aiphone, Comelit, Fermax, Bell System, BPT and Urmet, alongside Hikvision IP indoor and master stations, Mercury wireless and battery door phones, an ESP audio door entry kit and an Optimus 4G gate intercom.

Choosing Intercom Systems

Start with the system already on the wall: a replacement handset must work with that system.

Replacing a handset

Handsets are built for a specific system: the Fermax 3444 for DUOX PLUS, the Fermax 3396 for BUS2, the Comelit PAC 2628 for Simplebus 2, the Urmet 1133/20 for 4+n systems, the Videx 3161 for VX2200 and the Videx 3183 for VX2300. Where the existing system is unknown, the Comelit PAC 2603U and 2703U are universal door-entry phones for replacement and repair work.

Audio, video or IP

Audio handsets such as the Videx 3102 give speech and door release. Video handsets add a screen: the Comelit PAC HSV shows 720 × 576 colour video. IP stations run over a network: the Hikvision DS-KH6320-WTE1 has a 7in touch screen with PoE and Wi-Fi, and the Aiphone IX-RS-W is a SIP 2.0 audio sub station on 802.3af PoE. The Videx 3196 SIP audio phone can be powered by PoE or 12VDC.

Wireless, battery and gate intercoms

The Mercury 350.003UK is a wireless digital door phone with a 300m range on 433 MHz, and the Mercury 952.065UK is a battery two-station intercom on a two-wire connection. The Optimus E1K is a 4G GSM gate intercom supporting 100 PIN codes. The ESP APKITAO is an audio door entry kit on 2-core cable.

Internal and master stations

For room-to-room calls, the Aiphone TC-10M and TC-20M master stations call 10 or 20 TB sub stations or IE door stations. The Hikvision DS-KM9503 is an IP master station with a 10.1in touch screen. On the Videx 2210A desktop concierge unit, an operator can handle and transfer calls.

NeedExamples
VX2200 replacement handsetVidex 3161, Videx 3171
Universal replacementComelit PAC 2603U, Comelit PAC 2703U
IP indoor stationHikvision DS-KH6320-WTE1, DS-KH6110-WE1
GSM gate intercomOptimus E1K
Hearing aid usersFermax 3441 induction loop handset

Brands we stock in Intercom Systems

Aiphone, Bell System, BPT, BTicino by Legrand, CIE Group, Comelit PAC, ESP, Fermax, Hikvision, Mercury, Optimus, Urmet and Videx.

Videx supplies the most products on this page.

Related categories

Complete door entry systems and door stations are in door entry and intercom systems, brackets and parts in entry system accessories, and Hikvision stations in Hikvision intercom. Pair an intercom with access control systems or CCTV cameras.

Frequently asked questions

What is an intercom phone?

An intercom phone is the handset or room station inside a home or office that lets you talk to a caller at the door or to someone in another room. Many have a button that releases the door lock, and video models add a screen. It needs to suit the door entry system it connects to. The range here includes audio handsets, video handsets and IP indoor stations.

How do you replace a door entry handset?

To replace a door entry handset, first find the make and model of the old unit and the system it belongs to. Then choose a handset built for that system, or a universal handset for many older audio systems. Isolate the power, note the wiring and connect the new unit to match. The range here includes system-specific and universal replacement handsets.

How do you choose an intercom system for a home?

Choose a home intercom system by the distance to the door or gate, whether you want to see callers, and what cabling is in place. A wired audio or video kit suits a typical front door, a wireless kit avoids running new cable, and a GSM intercom suits a distant gate. The range here includes a wired audio door entry kit, a wireless door phone and a GSM gate intercom.

How do intercom systems work?

Intercom systems work by linking a door or gate station to one or more indoor stations, so a caller presses a button and speaks to someone inside. The indoor station can usually release an electric lock or door strike. Depending on the system, the signals travel over dedicated wiring, a two-wire bus, a network or radio. The range here includes indoor stations for wired, IP and wireless systems.

How does a wireless intercom system work?

A wireless intercom system works by sending speech between the door unit and the indoor unit over radio, so no cable has to run between them. The units still need their own power, and the usable range depends on walls, distance and interference. Some kits can also work a door lock from the indoor unit. The range here includes a wireless digital door phone.

  • Established 1975
  • Birmingham trade counter
  • UK-only supply

Written by the West Midlands Electrics technical team

Updated

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