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New E1K 4G - Optimus Stainless Steel 4G GSM Vandal Resistant Intercom with Keypad

The Optimus E1K is a professional 4G LTE intercom with an integrated keypad, designed to provide secure and reliable access control for automated gates, barriers and doors. Featuring a durable surface-mounted construction, remote smartphone programming, call forwarding to up to three telephone numbers, and support for PIN code, dial-to-open and timed access permissions, the E1K delivers a flexible entry solution for residential, commercial and industrial installations. Its built-in time clock, multiple relay outputs and straightforward setup make it an ideal choice for installers seeking dependable performance and easy administration.


Features

  • Reliable Call Routing: Divert each call through up to 3 landline or mobile numbers. Residents can grant access from anywhere by simply pressing the # key on their phone.
  • Flexible Access Control: Built-in keypad and dial-to-open functionality support up to 100 entry codes and 100 authorised numbers; ideal for managing both regular and restricted access.
  • Activity Logs: Download the last 10,000 events to monitor who entered, when and how. A clear audit trail for peace of mind*.
  • Quick Installation: Minimal cabling required. Just plug in the power supply, connect relays, put in a SIM card and register to the mobile network.
  • Programmable Time Profiles: Integrated time clock allows for three customisable schedules, perfect for timed access, trade hours or restricted entry.

           *Via Cirrus platform or support team. Charges may apply.


E1K Features
Connectivity4G
No. of users / call buttons1
No. of call diverts3
Backlit, Vandal-resistant keypadYes
OLED Display with scrolling navigationNo
No. of entry codes100
No. of Dial to Open numbers100
Auxiliary-triggered SMS alertsYes
Recurring SMS AlertsYes
Time clock with 3 profilesYes
LED downlightYes
Trade ButtonYes
Downloadable Activity Logs*Yes
2 Year Return-to-manufacturer warrantyYes


*Activity logs can be downloaded via Cirrus programming software or upon request from the programming team. Charges may apply.


Kit Contents

  • Optimus E1K 4G LTE Intercom
  • 12 Volt 1 Amp DC PSU
  • USB cable for local programming
  • Stainless steel security screws
  • User manual


Manuals & Datasheet


Technical Specifications

Construction
Faceplate316 marine grade stainless steel faceplate & Stainless steel security screws
HousingHigh strength, low-profile, black alloy cast back box
MountingSurface mounted
Physical
LED DownlightAdjustable brightness: 1 - 9 levels. Connected to keypad brightness
Power & Electrical
Power Supply12V 1A DC PSU fitted with a 3A fuse.
(supplied, dedicated to the Commtel Optimus product)
Power Consumption120mA idle @ 12V
Relays3: 1 x 2A, 2 x 200mA
Relay Activation Time1 - 240 seconds, adjustable remotely
Auxiliary Inputs2 x Volt free auxiliary inputs
The auxiliary input is for volt free exit release type buttons only. Damage will result if
feeding voltage or any other item that is not a volt free contact.
Audio
Telephone TypeStandard DTMF (Dual Tone Multi Frequency)
VolumeAdjustable 1 - 9 levels
Keypad
BacklightingAdjustable brightness: 1 - 9 levels. 7 programmable colours
Timed Trade ButtonCan be programmed using the on-board time clock
Programming
Programming MethodsRemotely programmable via CONFIG app, Cirrus portal & SMS
Operating CommandsAll relay commands are configurable via the dedicated programming App (4G only),
remotely, or locally via software, with the ability to Pulse, Latch, Unlatch and Toggle.


# pulses RL1 | 1# pulses RL1 | 2# pulses RL2 | 3# latches RL3 | 6# unlatches RL3
Time & Alerting
Time ClockThe on-board time clock enables custom profile functions to be activated. Functions
include but are not limited to trade button, auxiliary input (via relay), tied latch, call
diverts, entry codes, event alerts, service reminders, and more.
Event AlertsReceive an SMS notification when a specific event takes place, such as when a
particular code is entered or a designated relay is activated.
Recurring AlertsSchedule automatic SMS messages to be sent to up to 10 numbers on a chosen
date and time, perfect for service reminders, PAYG SIM balance alerts, or regular
maintenance prompts.
Auxiliary AlertsReceive an SMS notification whenever the AUX input is triggered, ideal for monitoring
events like door contacts, loop detectors or other connected devices.
Capacity
Authorised Dial-to-openCalling the unit, from an authorised telephone number, activates a predetermined relay.
E1, E1K, E2K, E3K, E10K - up to 100 numbers
E100K - up to 200 numbers
E500K - up to 500 numbers
Entry CodesEntering a pre-programmed code activates the specified relay.
E1, E1K, E2K, E3K, E10K - up to 100 numbers
E100K - up to 200 numbers
E500K - up to 500 numbers
SMS Commands
(Text to Open)
Control your entry equipment remotely via text - program up to 7 SMS commands
to open, latch, unlatch or toggle the relays as needed.


The intercom sends a confirmation reply when using SMS commands or programming
via the app/SMS. These replies may incur charges and can be switched off by
contacting your installer or the technical support team.
Hubs Kits
ConnectionMaximum 2 x door stations per hub.
Use 8 Core cable:
Twisted pair Mic | Twisted pair Speaker | Twisted pair CAN | Twisted pair Power
300m per cable run (max).
ProgrammingWhen using a Hub Kit, the call points on each connected door station are mirrored
- meaning button 1 on one unit will call the same number as button 1 on the other,
and so on.


If one unit has more buttons than the other, any additional buttons will function
independently and follow their own programming.
Connectivity
Network Capability4G - VoLTE, backwards compatible with 2G and 3G
SIM CardMicro SIM Card* (Commtel SIM provided upon request and is subject to
activation order).
Antenna1 x 4G PUK antenna with 2m lead and 90° MMCX connection. (1m lead available upon
request. Longer leads are available at additional cost and longer lead time).
Regulatory & Support
WarrantyTwo-year return to manufacturer warranty via distributor.


*Micro SIM Card. (Commtel SIM provided upon request and is subject to activation order).

E1K 4G - Optimus Stainless Steel 4G GSM Vandal Resistant Intercom with Keypad

  • Brand: Commtel
  • Product Code: E1K 4G
  • Availability:  In Stock
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