Guides & troubleshooting
Clear help for customers and installers, with installation and technical support available on the installation portal when you need it.
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Start with connection, local-number and everyday setup guides.
I'm an installer
Find APN, signal, gate, CCTV and Teltonika setup guidance.
2G and 3G switch-off
UK networks are retiring 3G and every operator has said 2G and 3G will end by 2033. Check whether your gate opener, alarm or intercom is affected.
BMS and boiler monitoring
What UK facilities and M&E teams should check when a BMS or boiler monitor reports over a SIM: boiler-house signal, alarm routing, addressing and 2G/3G exposure.
Charge point connectivity
How EV charge points stay connected over cellular, why they drop offline, and what UK operators and installers should check against the 99% rule and the 2G sunset.
Farm alarm coverage
Why a farm alarm can lose signal when one network falls short, how to test and place the antenna, and how the 2G and 3G closures affect older GSM diallers.
Switch-off dates for IoT
Sourced table of EE, Vodafone, Three and O2 2G and 3G switch-off dates in the UK, and which alarm, meter, tracker and lift devices are exposed.
CCTV tower and ANPR connectivity
Plan the mobile link for site CCTV towers and ANPR cameras in the UK: upload speed, monthly data, failover, PAYG SIM limits and what to check when a unit drops off.
Solar inverter SIM checks
UK solar and battery monitoring over a SIM: the 2G and 3G timetable, why loggers go offline, MCS and SEG context, and what to check before replacing a dongle.
Telecare phone line switch-off
The PSTN is due to close on 31 January 2027. What changes for telecare alarms, how multi-network SIMs can help, and what to check.
SIM not connecting
Check power, signal, SIM seating and whether the device is configured to use mobile data. Restart once after checking the installa…
APN setup
Many managed devices configure automatically. If your device genuinely requires a manual APN, use fleetatom.m2m. Leave username an…
Weak or no network
Move antennas clear of metal enclosures, check antenna connections and compare signal outdoors. An external antenna can help, but …
Gate or intercom will not open
Separate the mobile-network path from gate programming. Check whether the call rings, whether the caller is whitelisted, and wheth…
SMS problems
Confirm the destination format, device support and signal. A data-only device may not expose SMS controls even when the underlying…
Replacing the SIM
Power the device down, note the existing SIM orientation, replace it without forcing the tray and power up. Contact Engineer Suppo…
CCTV router has no internet
Check whether the router itself has mobile data before changing camera settings. Then confirm the camera recorder uses the router …
Local dial-to-open number
The local number is the number callers dial. It is separate from the SIM's underlying network number. Retrieval requires the exact…
Roaming abroad
Confirm that the selected SimFalcon service covers the destination and that data roaming is enabled on the device where required. …
Teltonika getting started
Connect the supplied power and antennas, insert the appropriate SIM if your package requires it, and follow the model's quick-star…