EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall, GPS

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Free USB WebCam with every EtherLINQ

Key Features

  • Integrated 4G LTE Modem with MIMO
  • AT&T FirstNet and T-Mobile Band 71 Support
  • 1 LAN + 1 WAN or 2 LAN Port (User Configurable)
  • WAN Fail-Over / Fall-Back
  • WiFi b/g/n Access Point (300 Mbps)
  • IPSec VPN Client & Server
  • NAT Router Mode with NAT/PAT
  • Bridge Mode (WAN IP Pass-Through)
  • Virtual Cable Mode
  • Integrated GPS
  • Integrated USB Webcam & Serial Device Servers
  • Metal Chassis & Wide Input Voltage Range


The EtherLINQ is Proxicast’s fourth generation of enterprise-grade secure cellular gateways. This series features an embedded LTE cellular modem which seamlessly becomes a WAN interface for the EtherLINQ’s router and is fully integrated with all of its security, performance, and management capabilities.  The LTE modem can serve as the primary Internet connection or as a fall-back to a wired Internet service.

The router is loaded with security features including IPSec client & server VPN, firewall and access control, NAT, port forwarding, DHCP server, an integrated USB Webcam server, serial device server, GPS functionality and many other powerful features required for complex and demanding applications. Proxicast’s exclusive “Virtual Cable Mode” is also supported for true remote bridging between other EtherLINQs and PocketPORTs.

The EtherLINQ has a built-in IEEE 802.11 b/g/n WiFi access point allowing WiFi devices to securely communicate with the EtherLINQ and access the wired network or Internet via the WAN/LTE.

Its small size and all metal construction make it the perfect choice for applications where a high-performance, secure, reliable and rugged cellular router is required.


3 Modes of Operation

NAT Router Mode (Default)
NAT Router Mode Diagram
Provides an Internet connection to an existing network of multiple Ethernet and WiFi devices
Bridge Mode (WAN IP Pass-Through)
IP Pass Through Example
Transfers the WAN IP address to a single device attached to the EtherLINQ
Virtual Cable Mode
Virtual Cable Mode Example
Creates a secure Ethernet over WAN connection between multiple EtherLINQs or PocketPORTs

Read more in the EtherLINQ User's Guide.


Supported Carriers

The EtherLINQ works on all North American LTE networks including AT&T, T-Mobile, Verizon, U.S. Cellular, Bell Canada, Rogers, Telus and others. 


Package Contents

  • EtherLINQ Router
  • 2x ANT-120-007 Cellular Antennas
  • 2x ANT-130-002 WiFi Antennas
  • Ethernet Cable
  • AC/DC Power Supply
  • Mounting Brackets
  • SIM Size Adapter Kit
  • QuickStart Guide
  • Proxicast's 1 Year Limited Warranty
  • Lifetime Free Firmware Upgrades
  • Lifetime Free Technical Support


Limited Time Offer!

FREE USB WebCam included with every EtherLINQ.

EtherLINQ Specifications
Dimensions 120 x 135 x 25 mm (excluding antennas & mounting bracket)

180 x 168 x 25 mm (including antenna & mounting bracket)

Weight 18 oz (0.51 kg)
Power Specification 9-28 DC input (12 VDC typical)
Power Consumption < 3W Typical
Operating Temp. -22 to 140 F (-30~60 C)
Operating Humidity 10%~90%
Chassis 18 ga. Steel.
Desktop & Removable Mounting Brackets (included).
Kensington Security Slot (lock)
Certifications FCC Part 15
Class B, CE-EMC Class B, C-Tick Class B, VCCI Class B
Safety: CSA International, CE EN60950-1 (UL60950-1, CSA60950-1, EN60950-1, IEC60950-1) – RoHS Compliant
LAN  1 LAN auto-negotiating, auto MDI/MDI-X 10/100 Mbps RJ­45 Ethernet port
WAN / LAN 2 One auto-negotiating, auto MDI/MDI-X 10/100 Mbps RJ-45 Ethernet port.
Software definable as a second LAN port.
USB 2.0 For USB webcams, serial devices and firmware loading
Power 4-pin Molex Mini-Fit with retention clip
Reset Button Restores factory default settings & activates Configuration Mode
MicroSD Slot For internal temporary storage
SIM Mini SIM (2FF) for LTE modem. SIM size adapters included.
Antenna Connectors
4G/LTE 2x2 MIMO SMA Female antenna jacks.
Two 5 dBi paddle style swivel antennas (SMA Male).
WiFi 2x2 MIMO Reverse Polarity SMA (RP-SMA) Female antenna jacks.
Two 5 dBi rubber duck style swivel 802.11 b/g/n antennas (RP-SMA Male).
GPS SMA Female jack.
Active & Passive antennas supported.
Technology 802.11 b/g/n 300 Mbps max
Operating Mode Access Point
Security WPA2-PSK, WPA-PSK, WEP, None
4G/LTE Modem (EtherLINQ Model EL-001 / EC25-AF)
Module Quectel EC25-AF FCC ID: XMR201808EC25AF
Frequency Bands (MHz)


B2: 1900
B4: AWS1700/2100
B5: 850
B12: 700
B13: 700
B14: 700 (AT&T FirstNet)
B66: AWS1700/2100
B71: 600 (T-Mobile)


B2: 1900
B4: AWS1700/2100
B5: 850
Speeds (max) LTE Category 4:
DL up to 150 Mbps
UL up 50 Mbps
Supported Carriers North America: 
Verizon, AT&T, T-Mobile, U.S. Cellular

Bell, Rogers, Telus
Software Functions
4G / LTE Features 4G/LTE to WAN Fail-Over and Fall-Back
4G/LTE Keep-Alive Packets
Signal Quality History Graph & Statistics
2x MIMO External Antennas Supported
WAN Features Static & DHCP Address Assignment
Assign WAN port to LAN or Disable port
WAN to 4G/LTE Fail-Over and Fall-Back
WAN Keep-Alive Packets
Networking LAN DHCP Server
WAN Fail-over Detection Limits & Controls
Port-Forwarding & Translation
IP Pass-Through (Bridge) Mode
Virtual Cable Mode (Ethernet over IP)
Dynamic DNS (DynDNS, NoIP)
Permanent DNS Address (
IPSec VPN Features IPSec Server and Client Modes
Site-to-Site & Remote User Access Tunnels
Unlimited Simultaneous IPSec Tunnels
IKEv1 & IKEv2 Internet Key Exchange
DES / 3DES / AES-128 / AES-192 / AES-256 Encryption
MD5 / SHA1 / SHA2-256 / SHA2-384 / SHA2-512 Authentication
Diffie-Hellmen Groups 1, 2, 5, 14, 15, 16, 17, 18
Dead Peer Detection (DPD)
Virtual Cable Mode Proprietary end-to-end tunneling through any firewall or network topology.
Interoperable with Proxicast’s PocketPORT devices in Virtual Cable Mode.
Security Features Network Address Translation & Firewall
Feature Restriction
Digitally Signed Firmware
Internal Application Servers Webcam, Serial Device, GPS
System Management Web-based Management (Local & Remote)
Configuration Backup and Restore
Firmware Upgrade and Downgrade via web interface or USB drive
Syslog Support
Real-Time Logging
Scheduled System Restarts
Ping, Traceroute Utilities

EtherLINQ Support Topics


Download Firmware Images



You can search our Support Knowledge Base by clicking the icon below:

Proxicast Knowledgebase


Our US-based technical support team is available via telephone Monday through Friday from 9:30 am to 6:00 pm ET (GMT-5) by calling 877-777-7694 or 412-213-2477.

Or E-Mail your questions to:  

Email Support

  • Title: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall, GPS
  • Part #: EL-001-EC25-AF
  • UPC Code: 617237752055
  • HS Code: 8517.62.0050
  • Country of Origin: China
  • Shipping Weight (lbs): 2.000