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AirLink® RX55 Rugged Industrial 4G LTE IoT Router

The World’s Most Power-Efficient Rugged 4G LTE-A Router*

The AirLink® RX55 is purpose-built for Industrial IoT, offering the lowest idle power consumption in its class*. Engineered with a rugged design for harsh and remote environments, the RX55 enables ultra-reliable connectivity across both public and private networks.

With advanced networking features and industry-standard container support, it enables secure, real-time edge computing for mission-critical industrial applications—from smart infrastructure and utilities to transportation and energy.

*Based on internal study of comparable routers November 2023

** Wi-Fi Plus model only (early adopters)

4G LTE-A (Cat-7)
Dual 1×1 Wi-Fi 5
1x Ethernet (1 Gbps)

Single/Dual Serial
GNSS
IP64 Rated
AirLink OS with AirLink Complete

Rear view of AirLink RX55 Wi-Fi model with rugged compact design showing antenna and port configuration

Back view of AirLink RX55 nonWi-Fi model with rugged compact design

Side view of AirLink RX55 Wi-Fi model designed for harsh industrial environments

Use Cases

IoT and enterprise applications including:

Benefits

Compact size

Compact size makes installation easier

Ultra-low power

Ultra-low power consumption makes it ideal for solar or battery-powered applications

Connect to a wide variety

Connect to a wide variety of devices from video to low-power IoT

Edge Computing

Ready for your edge computing workloads (Wi-Fi Plus model - early adopters)

Services & Support

AirLink Complete

Maximize your router investment with AirLink Complete — a comprehensive service package designed to empower you with the tools and support necessary to secure, optimize and effortlessly scale your router deployments.

AirLink Complete subscriptions include*:

AirLink Management Service (ALMS) for remote device and security management
Direct access to expert technical support
Extended hardware warranty of up to 5 years

*With active subscription. 1-year subscription included with the router purchase.

Hybrid Cloud Option

This optional security feature merges the benefits of cloud technology with on-premise security controls for the management of your AirLink XR and RX routers, offering ultimate security and control.

AirLink Premium Upgrade

Ideal for organizations managing mission-critical vehicle fleets, this service upgrade encompasses all the benefits of AirLink Complete, enhanced with:

Advanced Mobility Reporting: Offers comprehensive coverage and fleet reporting to monitor your network and vehicles.
Advance Replacement: Provides same-day shipping for in-warranty router replacements, minimizing downtime, spare inventory and keeping your operations running smoothly.

Antennas

Accelerate your deployment with always-on, end-to-end connectivity provided by our portfolio of high performance antennas.

AirLink® RX55 – Router Specifications

Print Specs

KEY FEATURES
Cellular Radios	4G LTE-A
Wi-Fi	Dual 1×1 Wi-Fi 5
Ethernet	1x 1 Gigabit Ethernet Port (RJ45)
Serial	Dual RS-232 serial port (DB9) – Base Model (with optional Y-cable) Single RS-232 serial port (DB9) – Wi-Fi & Wi-Fi Plus Model
GNSS	30 Channel GNSS
CAN	Wi-Fi & Wi-Fi Plus Model (with optional Y-cable)
I/O	1 GPIO
USB	USB 2.0 Micro-B
Bluetooth	–
IP Rating	Sealed Aluminum Housing (IP64 Rated)
Services	AirLink Complete
Operating System	AirLink OS
Management System	ALMS

Region	North America	EMEA & APAC

CELLULAR
Technology	LTE-A	LTE-A
Cellular	4G, 3G	4G, 3G
Peak Downlink (Theoretical)	300 Mbps	300 Mbps
Peak Uplink (Theoretical)	150 Mbps	150 Mbps
Category	Cat-7	Cat-7
Region	NAM	EMEA, APAC
Radio	EM7411	EM7421
MIMO	2×2	2×2
RF Connectors	SMA	SMA
SIM	Dual SIM (Mini-2FF)	Dual SIM (Mini-2FF)

FREQUENCY BANDS – NAM
	1	2	3	4	5	7	8	12	13	14	20	25	26	28	32	38	40	41	42	43	48	66	71
4G LTE	–	B2	–	B4	B5	B7	–	B12	B13	B14	–	B25	B26	–	–	–	–	B41	B42	B43	B48	B66	B71
3G (HSPA+)	–	B2	–	B4	B5	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

FREQUENCY BANDS – EMEA & APAC
	1	2	3	4	5	7	8	12	13	14	20	25	26	28	32	38	40	41	42	43	48	66	71
4G LTE	B1	–	B3	–	–	B7	B8	–	–	–	B20	–	–	B28	B32	B38	B40	B41	B42	B43	–	–	–
3G (HSPA+)	B1	–	–	–	B5	–	B8	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

WIRELESS CERTIFICATION
Regulatory	FCC, IC/ISED, PTCRB	GCF, CE, RED, RCM
Carrier	Verizon, AT&T, FirstNet® Trusted*, T-Mobile, Bell, CBRS	–
Public Safety	FirstNet® Trusted*	–
Part Numbers	1104927 Base 1104928 Wi-Fi 1104934 Wi-Fi Plus	1104929 Base 1104930 Wi-Fi 1104933 Wi-Fi Plus

*Requires device management via AirLink Management Service (ALMS)

WI-FI (OPTIONAL)
Wi-Fi Standard	Wi-Fi 5
Access Point	Dual
Client (Depot/WAN)	Yes
Client & AP	Yes
Peak Throughput (Theoretical)	433 Mbps
MIMO	Dual 1×1
Security	WPA2 Enterprise
Clients	10 per radio
SSID	1 per radio
Output Power	16 dBm
Frequency	2.4/5 GHz
RF Connectors	SMA (Reverse Polarity)

ENVIRONMENTAL
Operating Temperature	-40°C to +70°C / -40°F to +158°F -30°C to +70°C / -22°F to +158°F (Wi-Fi variant)
Storage Temperature	-40°C to +85°C / -40°F to +185°F
Humidity	95% RH @ 60°C
Military Specification	MIL-STD-810G (Shock, Vibration, Thermal Shock, Humidity)
IP Rating	IP64

INDUSTRY CERTIFICATIONS
Safety	IECEE Certification Bodies Scheme (CB Scheme)
Vehicle Usage	E-Mark (UN ECE Regulation 10.04), ISO7637-2, SAE J1455 (Shock, Vibration, Electrical)
Environmental Directives	RoHS2, REACH, WEEE, Prop 65
Hazardous Environments	Class 1 Div 2 – Ambient temperatures of -30°C to +60°C IECEx & ATEX
Rail Usage	North America: EN50155 EMEA & APAC: EN50155/EN45545 (Rolling Stock)

POWER
Input Voltage	7 to 36 VDC
Power Consumption	LTE Idle Power: 900mW (75 mA @ 12VDC) Standby Mode Power: 53 mW (4.4 mA @ 12 VDC) triggered on low voltage, I/O or periodic timer
Power Modes	Low voltage disconnect to prevent battery drain; Built-in protection against voltage transients including 5 VDC engine cranking and +200 VDC load dump; Ignition Sense with time delay shutdown; Configurable features and ports to optimize power consumption

SECURITY
AAA	802.1x /Radius authentication with Wi-Fi and Ethernet
Firewall	Stateful firewall with port forwarding, DMZ
WLAN Encryption	WPA2/WPA3 Personal/Enterprise
Firmware Update	Secure Firmware Update

NETWORK AND ROUTING
	Cognitive Wireless IPv4 and IPv6 Routing Network Address Translation (NAT) Port Forwarding DHCP Server IP Passthrough LAN Segmentation IPv4 Passthrough and IPv6 Prefix Extension WAN/LAN Connection Policy Management Policy-Based Routing Configurable MTU size Static Routing WAN Ethernet
QoS	Application/Traffic Priority Queuing
WAN Monitors	Connection Failure Recovery

VPN
	Integrates with VPN servers with IPsec protocols with IKEv1/IKEv2 FIPS 140-2 Level 1 compliance
Encryption	AES128/AES192/AES256
Hashing	SHA256/SHA384/SHA512
Key Exchange	DHGroup14/15/16/17/18/19/20/21
	LAN to LAN and Host to LAN Up to 10 concurrent tunnels per link MOBIKE protocol IP compression Full/Split Tunnel Dead Peer Detection (DPD)

ROUTER MANAGEMENT INTERFACES
	ALMS Local web user interface REST API (Beta)

EDGE COMPUTING (Wi-Fi Plus Model)
	Support for Edge Compute Containerized Applications on Wi-Fi Plus Model only (early adopters)
RAM^1,2	200 MB (Wi-Fi Plus)
Storage (Flash)¹	2.8 GB (Wi-Fi Plus)
CPU	Dual Core ARMv7 32-bit
	¹ Approximation available to containers (not device total) ² Depends on other enabled features

AIRLINK Complete (1 year included with router purchase)
Support	24/7 technical support*
Hardware Warranty	1-year standard hardware warranty Extended hardware warranty up to 5 years with current subscription**
Device Management	AirLink Management Service (ALMS)*
Software Updates	Unrestricted critical firmware updates through at least December 31st, 2029

*With current AirLink Complete subscription
**Full warranty terms are available at www.sierrawireless.com/end-user-warranty

ACCESSORIES
In The Box	RX55, DC Power Cable and Quick Start Guide, AirLink Complete Leaflet
Other Accessories (sold separately)	2000579 AC Adapter, 12VDC 6000659 DIN Rail Bracket 6001238 Dual Serial Y-cable 6001479 Serial CAN Y-cable For Antenna options visit: here

DIMENSIONS
Size	119 mm x 33 mm x 85 mm (102 mm including Wi-Fi connectors)
Weight	320 g / 0.7 lb

*For carrier specific band support please refer to the hardware user guide.

AirLink® RX55 Rugged Industrial 4G LTE IoT Router

The World’s Most Power-Efficient Rugged 4G LTE-A Router*

Use Cases