We offer a variety of SIM tariffs for your intercom system, to suit all site requirements. Our flexible SIMs are specially designed for use in the Telguard and Optimus intercoms, for door access, gate entry, barriers and more.
View our range of SIM card tariffs below. To find out more, please get in touch with one of our friendly team members, who will be more than happy to help. Call us on 01306 710 120 today.

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ESSENTIAL TARIFFS (Pay-Monthly)
Our Essential tariffs are recommended for single-dwelling residential properties, Command Units and diallers or any low-use commercial sites.
12-month contract on the O2 network
 ESSENTIAL
- £4.50 monthly fee +VAT
- 100 minutes to UK numbers
- 100 texts to UK numbers
- 100Mb data
- Terms & Conditions apply*
12-month contract on the Vodafone network
 ESSENTIAL
- £4.50 monthly fee +VAT
- 100 minutes to UK numbers
- 100 texts to UK numbers
- 100Mb data
- Terms & Conditions apply*
UNLIMITED TARIFFS (Pay-Monthly)
Our Unlimited tariffs are recommended for multi-dwelling residential properties I.E. apartment blocks or commercial buildings, industrial estates, schools etc.
30-day rolling contract on the O2 network
UNLIMITED
- £16 monthly fee +VAT from 1st May 2025. Currently £15 + VAT.**
- Unlimited calls & texts to UK numbers
- 100Mb data
- Terms & Conditions apply.*
**From 1st May 2025, the price will increase from £15 + VAT to £16 + VAT per month for both new and existing customers.
30-day rolling contract on the vodafone network
UNLIMITED
- £16 monthly fee +VAT from 1st May 2025. Currently £15 + VAT.**
- Unlimited calls & texts to UK numbers
- 100Mb data
- Terms & Conditions apply.*
**From 1st May 2025, the price will increase from £15 + VAT to £16 + VAT per month for both new and existing customers.
12-month contract on the EE network
UNLIMITED
- £15 monthly fee +VAT
- Unlimited calls & texts to UK numbers
- 1GB data
- Terms & Conditions apply.*
ANNUAL UNLIMITED TARIFFS (Pay-Monthly)
Our Annual SIMs allow you to pay upfront for 12 months, on either the O2 or Vodafone network. Perfect for sites that are unable to set up a monthly direct debit!
Recommended for schools, multi-dwelling residential properties I.E. apartment blocks or commercial buildings, industrial estates etc.
annual contract on the O2 network
 UNLIMITED
- £192 annual fee +VAT (up-front payment required). Currently £180 +VAT**
- Unlimited calls & texts to UK numbers
- 100Mb data
- Terms & Conditions apply*
**From 1st May 2025, the price will increase from £180 +VAT to £192 +VAT per year.
annual contract on the vodafone network
UNLIMITED
- £180 annual fee +VAT (up-front payment required). Currently £180 +VAT.**
- Unlimited calls & texts to UK numbers
- 100Mb data
- Terms & Conditions apply*
**From 1st May 2025, the price will increase from £180 +VAT to £192 +VAT per year.
*TERMS & CONDITIONS:
- All prices are subject to VAT at the current rate and are subject to change.
- Calls are up to 60 seconds.
- Text messages are used for SMS alerts and programming confirmation responses.
- A small amount of data is used for programming when done remotely using our PC or cloud-based software.
- Refer to our Fair Usage Policy for more information about our Unlimited SIMs.
- Additional charges for ESSENTIAL SIMS:
- Calls outside the allocated allowance are charged at £0.46 per minute.
- Texts outside of the allocated allowance are charged at £0.35 per text.
- Data over the allocated allowance is charged at £5.42 per mb.
Useful Info and Documentation