4G or 5G fallback for a laptop when home internet fails.
Phone tethering works but eats the phone data plan. A separate data SIM or eSIM in a laptop WWAN modem is cleaner, and 5G CPE boxes (Huawei, Zyxel, GL.iNet) are cheap and plug-and-play.
Try this first
- 1Option A: personal hotspot from the work phone, check data plan.
- 2Option B: eSIM via a data-only plan (Vodafone, KPN, T-Mobile sell standalone).
- 3Option C: 5G router at home as backup, automatic failover when the main link drops.
- 4Test failover once a quarter by pulling the main link.
When to bring us in
Employee lives in a poor 4G area: 5G routers have an external antenna port, with an outdoor antenna signal can be 10x better. Worth the helpdesk effort.
See also
- VPN will not connect or keeps droppingTwo main causes: your home internet or the VPN server. One quick test separates them.
- VPN connects but corporate folders are unreachableConnection says "green" but your network drives will not open. Almost always a DNS or routing issue.
- Home PC slow on VPN, fast at the officeThree suspects: home internet, VPN server limits, or routing that takes a long detour.
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