Name: Ericsson Cradlepoint S400
Brand: Cradlepoint
Price: 449.65 USD

3.3/5#11 of 16 in routers cellular routers
3.3

For a low-power, DC-powered LTE router that feeds a single access point or a few devices, with managed carrier switching.

Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Cons

How it scores

The rating comes from 9 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Cellular
Model number	S400-C6-NA
Modem	LTE Cat 6 (S400-C6-NA)
Peak downlink	300 Mbps
mmWave	No
Bands	LTE FDD B2, B4, B5, B7, B12, B13, B14, B25, B26, B29, B30, B66, B71; TDD B41, B48
Carriers	AT&T, T-Mobile, Verizon certified
SIM slots	2
External antenna connectors	2
Antenna connector type	SMA
Network
Ethernet ports	1 (1 Gbps)
WiFi	Wi-Fi 5 (802.11ac) 1x1 dual-band, non-concurrent
Power and build
Power input	9-33 V DC; 802.3af PoE
Power draw	4.1 W
Operating temperature	-20 to 60 C (-4 to 140 F)
Weight	221 g
Released	2024-09-13

A cheap, low-power fixed cellular router for a camper, cabin or remote site that needs a SIM-to-Ethernet bridge and basic Wi-Fi.

$195

For a remote site or RV that needs two carriers for backup and a few wired ports, and does not need 5G.

$280.99

For industrial or fleet installs that need serial devices, GPS tracking and dual-carrier backup; an RV owner wanting plain internet can pay less.

$294