For a low-power, DC-powered LTE router that feeds a single access point or a few devices, with managed carrier switching.
Amazon $449.65The Ericsson Cradlepoint S400 is the better cellular router overall, rated 3.3 to 2.6. The Ericsson Cradlepoint S400 leads on 12 V input and price. The Ericsson Cradlepoint S400 costs $100.10 less ($449.65 vs $549.75).
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 stationary RV or cabin setup on shore power that wants a desktop router with wired-to-LTE failover and battery backup.
Amazon $549.75Which should you buy?
- Choose the Ericsson Cradlepoint S400 for 12 V input (9-33 V DC input vs mains adapter only) and price ($449.65 vs $549.75).
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 | Ericsson Cradlepoint S400 | Cradlepoint E100 (LTE Cat 7) |
|---|---|---|
| Overall rating | 3.3/5 | 2.6/5 |
| Price 20% | 39 $449.65 | 28 $549.75 |
| Modem speed 15% | 30 300 Mbps peak downlink | 30 300 Mbps peak downlink |
| SIM slots 8% | 50 2 SIM slots | 50 2 SIM slots |
| Antenna ports 15% | 50 2 external antenna connectors | 50 2 external antenna connectors |
| Multi-WAN 10% | 50 multi-WAN not published (neutral score used) | 40 WAN failover |
| 12 V input 10% | 100 9-33 V DC input | 0 mains adapter only |
| Power draw 10% | 91 4.1 W published | 50 power draw not published (neutral score used) |
| WiFi 5% | 45 Wi-Fi 5 (802.11ac) 1x1 dual-band, non-concurrent | 45 Wi-Fi 5 (802.11ac) dual-band concurrent 2x2 MU-MIMO |
| Warranty 7% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Ericsson Cradlepoint S400 | Cradlepoint E100 (LTE Cat 7) | |
|---|---|---|
| Cellular | ||
| Modem | LTE Cat 6 (S400-C6-NA) | LTE Cat 7 (E100-C7C) |
| Peak downlink | 300 Mbps | 300 Mbps |
| mmWave | No | No |
| Bands | LTE FDD B2, B4, B5, B7, B12, B13, B14, B25, B26, B29, B30, B66, B71; TDD B41, B48 | LTE FDD B2, B4, B5, B7, B12, B13, B14, B25, B26, B66, B71; TDD B41, B42, B43, B48 |
| Carriers | AT&T, T-Mobile, Verizon certified | AT&T, Verizon certified; Bell pending; FirstNet Capable |
| SIM slots | 2 | 2 |
| External antenna connectors | 2 | 2 |
| Antenna connector type | SMA | SMA |
| Network | ||
| Ethernet ports | 1 (1 Gbps) | 5 (1 Gbps) |
| WiFi | Wi-Fi 5 (802.11ac) 1x1 dual-band, non-concurrent | Wi-Fi 5 (802.11ac) dual-band concurrent 2x2 MU-MIMO |
| Multi-WAN | - | Failover |
| Power and build | ||
| Power input | 9-33 V DC; 802.3af PoE | AC adapter only: 100-240 V AC in, 12 V DC 3 A out (included) |
| Power draw | 4.1 W | - |
| Operating temperature | -20 to 60 C (-4 to 140 F) | 0 to 40 C (32 to 104 F) |
| Weight | 221 g | 680 g |
| Released | 2024-09-13 | 2024-01 |
