Foil Drive launches passive external antenna for carbon boards

Carbon board interference had been turning some Foil Drive setups into a signal gamble, especially on compact boards with full carbon tracks and dense layups. Foil Drive’s new External Antenna answered that problem with a secondary passive unit that sits on the top surface of the board and is meant to strengthen the connection for Gen2 and Gen 2.5 Fusion riders.

The appeal was in the fix, not the hardware count. The antenna needed no power and no external connection to the Gen2 unit, which kept the install simple for riders who did not want another wire or battery in the mix. Foil Drive said the built-in Gen2 antenna was still perfect for most applications, but carbon tracks and some carbon constructions made reliable signal transmission harder. The company’s help material said the accessory was primarily designed for boards with full carbon foil tracks laminated into a full carbon board.

That made the product especially relevant for riders who split time between cleaner water and messy conditions, where a weak signal can become a session killer. Foiling Magazine said the accessory improved below-water connectivity and kept the signal uninterrupted when the antenna pad was above water. Foil Drive sold it in 130 cm and 180 cm lengths, and the package included foam to raise the nose cone height by 2 mm, a small but useful detail for fit and clearance.

Foil Drive also pushed the antenna as a compatibility solution across its ecosystem. The company said boards with carbon tracks may require an additional external antenna on its Assist MAX and Assist Slim pages, and it recommended the accessory in an Armstrong x Foil Drive bundle as well. That bundle framing signaled where the pain point was most likely to show up: premium carbon-integrated builds, where board construction, box materials and track materials could all alter reception.

Foil Drive’s own support example made the problem concrete. A Takuma Rising Sun 4'2 x 18.5" 30-litre board with full carbon tracks had been described as previously challenging for signal but usable with the external patch antenna. Foil Drive advised riders to watch its controller-signal masterclass before deciding whether they needed the upgrade, a clear sign this was aimed at riders already dealing with a real reliability issue rather than anyone chasing a cosmetic add-on.

The larger context is simple enough. Foiling Magazine called assisted foiling one of the biggest stories in the sport for 2024, and Foil Drive has built much of its reputation around being the world’s first electric assist designed for any mast, any foil, for any discipline. As that audience has grown, the long tail of carbon-board compatibility has become harder to ignore, and the new antenna was Foil Drive’s answer.