- Internet & Connectivity
How to Set Up a 4G/5G Backup Internet Connection for Business
18 Mar, 2026
£44.62 inc. VAT
AI-generated summary
The Mercusys MA37BE V1 is one of those “get it working cheaply” PCIe Wi‑Fi options, and for £37 ex‑VAT that’s the big story. If you’re outfitting older desktops that don’t have Wi‑Fi, or you just need a reliable upgrade from a basic USB adapter, this will usually do the job without making a dent in budget. Mercusys (TP-Link’s value arm) tends to be pretty decent on basic connectivity and driver support, and the sort of buyer here is IT/engineers who want something straightforward: install, connect, move on.
That said, I wouldn’t treat it as a serious high-performance option for busy office environments where everyone’s on the same channels and you care about consistent throughput at distance. Wi‑Fi performance can be very dependent on antenna placement and the site’s RF conditions, and at this price you’re not paying for premium radio design or standout real-world range. If you’ve got thick walls, long runs from the access point, or you need stable high-speed streaming/large file transfers for demanding users, I’d spend a bit more and/or spec a better alternative. Overall: buy it for cost-effective Wi‑Fi uplift on a typical desk machine; avoid it if your requirements are “fast and bulletproof at range.”

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