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The Sena SMART HJC 11B is a Bluetooth communication unit built into compatible HJC helmets, based on Sena's SMH5 platform. It gives two-way intercom up to 900 m in open terrain, plus phone calls, GPS prompts and music from a paired smartphone, with Sena's noise control for wind and road noise. It is the entry point of the HJC-integrated Sena line, so it suits riders who want a clean, low-profile install without paying for mesh or multi-rider features. Against clamp-on units it wins on integration and simplicity but loses on range, rider count and Bluetooth version.
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Owners of the HJC-integrated Sena units generally like the clean install and dependable basic intercom and phone audio. Complaints center on the two-rider limit and range that falls short of the headline figure in real riding.
The Sena SMART HJC 11B is a Bluetooth communication unit built into compatible HJC helmets. It is equivalent to the Sena SMH5 platform and uses Bluetooth 3.0. Sena and HJC co-developed it for designated HJC helmet models, so check that your helmet model is compatible.
It has a compact, low-profile design that fits inside the helmet interior rather than clamping on the outside. It pairs with a smartphone to stream music, play GPS turn-by-turn directions and take phone calls.
The two-way intercom connects with one riding partner at up to 900 m (980 yards) in open terrain. Sena's Advanced Noise Control suppresses road and wind noise to keep intercom and call audio clear at riding speeds.
