DEUTSCH
Starlink in an RV, on a boat, or on the road: how does the antenna get its power?
Anyone who wants to go online with Starlink independently of landlines or cell networks quickly runs into a problem: the included power supply is designed for a household outlet. On board an RV, a boat, or a truck, the power situation looks completely different – 12V and 24V on-board systems are the norm there, while the Starlink Flat High Performance Antenna (Gen 3) – FHP 3 for short – needs 54V DC delivered via Power over Ethernet (PoE).
That’s exactly where the 340W Dual PoE Injector comes in: it converts your on-board voltage directly into the 54V the antenna needs – compact, rugged, and without having to modify the antenna’s original cable in any way.
What makes this PoE injector stand out?
Plug-and-play connector. The Starlink antenna’s original connector plugs directly into the injector – no rewiring, no adapters. Just connect it and you’re done.
Wide input voltage range. With 11.5–30V DC, the injector covers both 12V and 24V on-board systems – whether from a vehicle battery, a solar setup, or shore power through a supply. Maximum input current is 35A.
Dual PoE architecture. On the antenna side, the injector delivers up to 320W of passive PoE. On the LAN side, it also provides up to 20W of active PoE per the IEEE 802.3af/at standard, in case the connected router itself needs PoE power.
Comprehensive protection. Overvoltage, undervoltage, overcurrent, reverse polarity, and battery deep-discharge protection. Per the manufacturer, proper grounding of the housing is also required for surge protection.
Gigabit-capable. The Ethernet interface supports 10/100/1000 Mb/s, so the antenna’s full data throughput gets through.
Connections and operation
The injector has a 3-pin screw terminal for the power connection (“+”, an optional terminal for an external remote switch, and “−”), a dedicated port for the original antenna cable, and a standard LAN jack for connecting to the router. An on/off switch lets you disconnect the injector from the on-board power supply on demand, without undoing any wiring.
Who is the YSNEAPL34010A for?
- RV and caravan owners who want reliable internet even off standard campgrounds
- Boat owners and sailors who want to stay connected underway
- Truck drivers and mobile workspaces that need a stable internet connection
- Users at remote sites who want to connect Starlink directly to a battery or solar system
Technical specifications at a glance
Model YSNEAPL34010A – input 11.5–30V DC (35A max), output 54V DC / 6.3A / 340W, Gigabit-capable. Find the full spec table on the product page.
Bottom line
If you want to run Starlink reliably away from a wall outlet, a proper PoE injector is hard to avoid. The YSNEAPL34010A delivers a well-thought-out combination of easy installation (original connector, no re-crimping), broad voltage compatibility for both 12V and 24V systems, and extensive protection features for continuous mobile use.
Note: Installation should follow the included instructions. In particular, grounding the housing and properly fusing the supply line should be checked before first use.