Optimus/CommtelSIM capable
Optimus 4G LTE Range Installation Manual
- Connectivity
- 4G LTE
- SIM
- Nano (4FF)
- Category
- Intercoms
British-made Optimus 4G intercom range: audio, keypad and multi-user models.
Commtel British-made 4G intercom range
SIM installation guide
Which SIM, how to fit, first-power-up test.
Keep your Optimus/Commtel Optimus 4G LTE Range online.
LynixSIM multi-network SIMs connect to the strongest UK signal (EE, O2, Vodafone, Three) — no single-network dropouts, no contracts, built for intercoms and gate systems.
Get your SIMFor engineers
Installing these for a living?
LynixSIM Trade gives engineers bulk SIMs, set-your-own pricing and monthly recurring income on every SIM you fit.
See LynixSIM Trade