Description
Commtel Optimus E100K 4G Intercom
Main Features at a glance
- 2 Year Manufacturer Warranty
- Call Forwarding ~ Up to 3 Numbers
- Up to 200 PIN Codes
- Up to 200 Authorised Incoming Phone Numbers
- Internal Time Clock with 3 Profiles
- Automatic BST / GMT
- Optional Timed Trade Facility
- x 2 Auxiliary Inputs
- x 3 Relay Outputs
- Easy Smartphone Programming

Moulded aluminium back box, powder coated in anthracite grey. Our back boxes are pre-treated and have 10,000 hours saltwater testing to ensure durability and longevity.
All faceplates are 316 marine-grade stainless-steel, so you can install with confidence from coastline to mountainside
Our products can be programmed to send a text to alert you of misuse, unauthorised activity and arrival of special guests.
- Event notifications when certain PIN codes are used or if specific mobile numbers dial in.
- Alerts when external connected equipment is used or forced*.
- Service and maintenance reminders for connected equipment, to let your customers know when their service is due.
*Dependant on the type of equipment connected and how it’s wired.
With built in keypad* and 100 authorised dial to open numbers, you can authorise entry to specific people with either a PIN code or by registering their mobile number. You can even time restrict entry for certain individuals if required!
*Excluding the Optimus E1.
The on-board time clock is BST/GMT automatic and can be programmed with up to 3 specific time periods. Each zone can be programmed with a specific time and date, as well as a day or set of days in the week. These can then be allocated to a number of different features!
- Timed relays – specify when doors, gates and barriers need to be open or closed.
- Allocate PIN codes and dial to open numbers for timed access.
- Timed aux inputs for PTE buttons, ground loops and more.
- Timed trade facility.
- Divert calls at specified times – no need for that ‘Out of Hours’ button!
Commtel makes remote management simple, with intuitive apps and expert support when you need it most.
Installers can enjoy straightforward programming through the Commtel CONFIG App, while end users benefit from easy day-to-day control via the Commtel CONTROL App. And with direct access to our dedicated Technical Support team, expert help is always just a call or click away.
Optimus products come with a 2-year Return to Manufacturer warranty via your chosen supplier.
You can find out more about what’s included, here!
Whether it’s your home or business, feeling in control of who comes and goes is essential. That’s why we created Optimus – our 4G intercom designed to make secure entry simple.
With handy features like text alerts when someone arrives, a built-in keypad, and up to 100 authorised dial-to-open numbers, managing access couldn’t be easier.
As a trusted UK manufacturer, we’re proud to offer intercoms that bring peace of mind and everyday convenience to both residential and commercial properties.
Take a look at the Optimus 4G range below, or get in touch with us to find the right solution for you.
For more information from the manufacturer on the Commtel Optimus E100K 4G Intercom please click the link below


Free UK mainland delivery on orders over £100
(1-5 Working Days)

Optimus Brochure
Short Installation Guide
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