4G onBoard Plus

 Complete set for 4G connectivity on board plus


4G onBoard Plus in a complete all-in-one system that allows Internet connectivity from a cellular network with up to 4G speed, and to share it wirelessly through the built-in hotspot or through Ethernet. Thanks to the two powerfull external 4G antennas it’s possible to maintain Internet connectivity up to 20 Miles from the coast, with an increase of the Internet speed and signal reception thanks to the MiMo technology. To read more about MiMo technology please follow this link: read more
The hotspot allows up to 50 WiFi users simultaneous connections and offers the possibility to assign a private password to restrict the access to unknown users.

4G onBoard Plus can be completely managed wirelessly with a smartphone, tablet or laptop through a web browser interface. No additional cables or drivers are required.

4G onboard Plus includes a professional high-speed router and a 2 (two) 4dB external waterproof 4G antennas. It requires a data-only SIM card (not included in the package) with possibility of a second SIM card (optional).


Router model Sea-Hub plus is a rugged and durable professional 4G/LTE Dual SIM cellular router with advanced WiFi, Ethernet and industrial grade networking functionality support. Quick to deploy and easy to manage. The router is equipped with Dual-SIM, 4 x Ethernet interfaces and WiFi. Device is designed as Main/Backup Internet source and can guarantee reliable Internet connection with high data throughput and data redundancy. It comes with RutOS software and security features such as multiple VPN services, Firewall, Hotspot, Auto Failover, Load Balancing, SMS control and RMS support (Remote Management System).


RMS is a client-server based system, which provides the possibility to access the router remotely even without the use of a public IP address. In this way it’s quite easy to track the history of various status changes such as device temperature, mobile signal quality and data usage, making sure that no information is lost over time.

For additional info regarding the router please read the following documentation: Router technical specifications

For additional info regarding the 4G antennas please visit the specific page on our website: read more



1 x 4G/LTE + WiFi Router
2 x 4G antenna 4 dB
1 x EU power supply 9 VDC



Item 4G onBoard Plus


Cables, connectors and mounts to be purchased separately according to the installation type. Please see Accessories list below for your reference with links to the product pages.



Item Description Page
MA-1 Router DIN rail kit Link
MA-2 Router compact DIN rail kit Link
MA-3 Router surface mounting kit Link
PI-3 Cigarette lighter power supply for Sea-Hub plus Link
PI-4 Power cable with 4-way screw terminal for Sea-Hub plus Link
PA-44 Adaptor 1”x14 thread 90mm (3.5”) Link
PA-40 Stainless steel marine mount Link
PA-30 Four way stainless steel ratchet mount Link
CA-1 Pigtail 15 cm RG-58 N female/SMA male Link
CA-2 Pigtail 15 cm RG-58 N female/SMA male RP Link
CA-3 Cable type LMR-400 N male/N male 1 m Link
CA-4 Cable type LMR-400 N male/N male 3 m Link
CA-5 Cable type LMR-400 N male/N male 5 m Link
CA-6 Cable type LMR-400 N male/N male 7 m Link
CA-7 Cable type LMR-400 N male/N male 10 m Link
CA-8 Cable type LMR-400 N male/N male 15 m Link


Additional documentation regarding the system can be downloaded following the links below.


Quick start guide
Router technical specifications
Powering options
Installation scheme