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If your Victron system reports home over a cellular connection, the antenna can matter as much as the modem. The Victron Energy Outdoor 4G GSM Antenna Accessory (part number GSM900100400) is an external antenna for use with the Victron GX LTE 4G. It works with 2G and 3G, and it is optimized for 4G frequency bands, so it has slightly better reception on the 4G network. For RV owners, boat owners, off-grid homeowners, and anyone running a remote Victron installation, a better 4G signal means a steadier link for monitoring and remote access.
Think of it as the small, inexpensive part that helps the rest of your system get heard. Your Victron gear does the heavy lifting, and this antenna helps it report back.
This antenna is optimized for 4G frequency bands. Victron states that this gives it slightly better reception on the 4G network. It is a modest improvement rather than a dramatic one, and we would rather say so plainly than overpromise. For a connected system, though, even a small gain can help a link stay stable.
The antenna can be used with the GX LTE 4G for 2G, 3G, and 4G connections. If you are installing in an area where network coverage varies, you are not limited to a single network generation. Whichever band your GX LTE 4G connects on, this antenna can be part of the setup.
As an outdoor antenna, it is meant to sit outside the enclosure that holds your GX device. Metal enclosures, equipment rooms, and the insides of vans and boats are not friendly to cellular signals, so moving the antenna outside is a common approach to improving reception. Exact mounting method and cable length are not listed in the information we have, so please confirm those details before purchase.
The listed weight is 1 lb, and the listed dimensions are 1.38 x 4.33 x 3.35 in. That is compact enough to be practical on a vehicle, vessel, or small equipment cabinet where space is limited.
Wherever a Victron system needs to report from somewhere beyond reliable Wi-Fi, this antenna can help the GX LTE 4G do its job.
The most common alternative to a cellular setup is relying on local Wi-Fi. That works at home, but campgrounds, marinas, and job sites tend to offer weak or unpredictable networks. A GX LTE 4G with an external antenna gives you a connection that travels with the system.
Compared with an antenna that only covers older network generations, this one is optimized for 4G while still working with 2G and 3G. The improvement is described as slight, so if your site has strong signal already, you may not notice a large change. If your signal is marginal, antenna placement and quality are often worth addressing first, and this is an affordable place to start.
This is an accessory, not a standalone product. It is intended for the GX LTE 4G, so it only makes sense if you already own that modem or plan to add it. It will not add cellular capability by itself.
This may be a good fit if:
Before ordering, confirm the connector, cable length, and mounting requirements for your installation. Those details are not part of the information we have, and a quick check now saves a return later. If you are unsure, our team is happy to help you match accessories to your system.
It can be used with the GX LTE 4G. It supports 2G and 3G, and it is optimized for 4G frequency bands.
Victron describes the reception as slightly better on the 4G network. Results depend on your location, your carrier coverage, and where you mount the antenna.
No. This is an antenna accessory. You need a compatible modem, such as the GX LTE 4G, to use it.
The part number is GSM900100400.
The listed dimensions are 1.38 x 4.33 x 3.35 in, and the listed weight is 1 lb.
A good power system is only as useful as your ability to see what it is doing. The Victron Energy Outdoor 4G GSM Antenna Accessory is a small, practical addition that supports a more dependable cellular connection for your GX LTE 4G, whether you are on the road, on the water, or miles from the nearest router. At Outbound Power, we focus on real-world power planning, so we can help you choose the accessories that fit your setup the first time. Add it to your system and keep your power in view.
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