Not sure of the range mate but it's wireless and one of the devices connects to the Virgin Hub and the Hub goes into modem mode. You can get the 3 devices, one at the hub, one closer to the garage and the other in the garage and that should give you full signal in the garage 🙂
***********************************************************************************************************************************
Super Hub 4.0 (modem mode) - Gig1 Fibre FTTP - Asus RT-AX82U & Asus RT-AX56U with AiMesh setup
***********************************************************************************************************************************