For RV owners who want one gigabit router that bonds 5G, Starlink and campground internet.
Amazon $980The Peplink B One 5G is the better cellular router overall, rated 3.9 to 3.3. The Peplink B One 5G leads on modem speed, antenna ports and SIM slots. The Ericsson Cradlepoint S400 wins on price and power draw. The Ericsson Cradlepoint S400 costs $530.35 less ($449.65 vs $980).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
For a low-power, DC-powered LTE router that feeds a single access point or a few devices, with managed carrier switching.
Amazon $449.65Which should you buy?
- Choose the Peplink B One 5G for modem speed (3,400 Mbps peak downlink vs 300 Mbps peak downlink), antenna ports (4 external antenna connectors vs 2 external antenna connectors) and SIM slots (2 SIM slots plus eSIM vs 2 SIM slots).
- Choose the Ericsson Cradlepoint S400 for price ($449.65 vs $980) and power draw (4.1 W published vs 7 W published).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every routers cellular router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Peplink B One 5G | Ericsson Cradlepoint S400 |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Price 20% | 0 $980 | 39 $449.65 |
| Modem speed 15% | 96 3,400 Mbps peak downlink | 30 300 Mbps peak downlink |
| SIM slots 8% | 100 2 SIM slots plus eSIM | 50 2 SIM slots |
| Antenna ports 15% | 100 4 external antenna connectors | 50 2 external antenna connectors |
| Multi-WAN 10% | 100 SpeedFusion bonding | 50 multi-WAN not published (neutral score used) |
| 12 V input 10% | 100 10-30 V DC input | 100 9-33 V DC input |
| Power draw 10% | 67 7 W published | 91 4.1 W published |
| WiFi 5% | 70 Wi-Fi 6 (802.11ax) dual-band 2x2 MIMO | 45 Wi-Fi 5 (802.11ac) 1x1 dual-band, non-concurrent |
| Warranty 7% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Peplink B One 5G | Ericsson Cradlepoint S400 | |
|---|---|---|
| Cellular | ||
| Modem | 5G sub-6 NSA/SA, LTE Cat 20 | LTE Cat 6 (S400-C6-NA) |
| Peak downlink | 3,400 Mbps | 300 Mbps |
| mmWave | No | No |
| Bands | 5G n1, n2, n3, n5, n7, n8, n12, n13, n14, n18, n20, n25, n26, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n75, n76, n77, n78, n79; LTE B1-B5, B7, B8, B12-B14, B17-B20, B25, B26, B28-B30, B32, B34, B38-B43, B46, B48, B66, B71 | LTE FDD B2, B4, B5, B7, B12, B13, B14, B25, B26, B29, B30, B66, B71; TDD B41, B48 |
| Carriers | AT&T, T-Mobile, Verizon (C-Band), FirstNet certified | AT&T, T-Mobile, Verizon certified |
| SIM slots | 2 | 2 |
| eSIM | Yes | - |
| External antenna connectors | 4 | 2 |
| Antenna connector type | SMA | SMA |
| Network | ||
| Ethernet ports | 6 (1 Gbps) | 1 (1 Gbps) |
| WiFi | Wi-Fi 6 (802.11ax) dual-band 2x2 MIMO | Wi-Fi 5 (802.11ac) 1x1 dual-band, non-concurrent |
| Multi-WAN | Bonding | - |
| Power and build | ||
| Power input | 10-30 V DC power port; 12 V 3 A AC adapter | 9-33 V DC; 802.3af PoE |
| Power draw | 7 W | 4.1 W |
| Operating temperature | -40 to 45 C (-40 to 113 F) | -20 to 60 C (-4 to 140 F) |
| Weight | 756 g | 221 g |
| Warranty | 1 year | - |
| Released | 2024-04-05 | 2024-09-13 |
