One network is good. Two networks is bulletproof. The Plus 2 packs two completely independent 5G modems and two SIM slots into the same Wi-Fi 7 body as the Plus — so if one carrier goes down, the other is already live. Not switching over. Already there.
Why Two Modems Changes Everything
Most dual-WAN routers have one modem and one ethernet port — the "dual" is a fibre line plus a SIM as a backup. The Plus 2 is different. It has two completely independent 5G modems, each with its own SIM slot, each on their own radio, talking to their own cell tower. That's not a backup arrangement. That's two live connections running simultaneously, all the time.
The honest difference vs a single-modem router
The Rocket Plus (£379) is an excellent router. For most homes and small offices with a single SIM plan, it's everything you'll ever need. The Plus 2 (£499) makes sense when downtime has a real cost — when "probably fine" isn't good enough and you want "guaranteed." Remote workers who bill by the hour. Businesses where the card machine going offline loses money. Properties in areas where one carrier is unreliable. That extra £120 buys you a second, completely independent path to the internet. Only you know if that's worth it — but for the people who need it, there's no substitute.
Same MediaTek Filogic 880 foundation as the Rocket Plus — Wi-Fi 7, tri-band, 10G SFP+ — with two Quectel RM500U-EA 5G modules fitted as standard. Two M.2 slots, both occupied, both live from the moment it leaves us.
The RM500U-EA — what you're getting in each modem slot
The Quectel RM500U-EA is an industrial-grade 5G Sub-6 GHz M.2 module built on UNISOC silicon. It supports both NSA (Non-Standalone) and SA (Standalone) 5G modes, LTE-A with carrier aggregation, worldwide band coverage, and downlink speeds up to 2.6 Gbps per module. Each module talks to the Filogic 880 over a dedicated PCIe lane — they don't share bandwidth with each other or the Wi-Fi radios.
In practical terms: both modems are on at the same time, both connected to their own SIM and their own cell tower, both handing packets to the router independently. MWAN3 sees two separate WAN interfaces and treats them as a dual-pipe aggregate — or two independent failover paths — depending on how you configure it.
This is the difference between "probably fine" and "guaranteed." Here's who reaches for a dual-modem router and why.
Every Rocket Plus 2 ships with MWAN3 pre-configured for both modems. Out of the box it runs in load-balancing mode — traffic is spread across both connections in real time. If you'd prefer active/standby (modem one primary, modem two failover only), that's a single UCI setting. Both modems appear in the Mycelium Dashboard so you can see signal strength, operator, band and data usage for each SIM at a glance — no SSH required.
The Rocket Plus 2 ships with two Quectel RM500U-EA UNISOC modules — both fitted, both wired, both live. Industrial-grade 5G Sub-6 GHz, NSA and SA modes, worldwide LTE-A coverage, up to 2.6 Gbps downlink per module.
Want to go further?
The Qualcomm X62 is the modem silicon that Cisco and Cradlepoint put in hardware they sell for £3,000+. The Pro 2 has two of them for £579. Each X62 does 3.3 Gbps downlink, aggregates multiple frequency bands internally, and supports every band on earth. If you want the absolute maximum from dual-modem — that's the one. See the Rocket Pro 2 →