T-Mobile Netherlands has set up an Internet-of-Things Hub in Den Bosch. The hub is located at the De Gruyter factory, which is home to around 185 small businesses. This is the mobile operator's second such hub, after the Chateau in Amsterdam. Partners and businesses can visit the hub for demos, workshops and development programmes for NB-IoT, the M2M data services offered over T-Mobile's 4G network.
Source: https://www.telecompaper.com/news/t-mobile-sets-up-nb-iot-hub-in-den-bosch--1200480