US-based Wi-Fi service provider Boingo Wireless has signed a roaming agreement with Belgium’s Telenet that expands the Boingo Roaming System from about 50 locations in Belgium and Luxembourg to more than 1,000. The company has also signed roaming agreements with Centrin Communications for access to its hotspots on the islands of Indonesia, and with MilCom Systems in Thailand. Boingo provides business travellers with Wi-Fi access at 25,571 locations using the hotspots of more than 120 Wi-Fi operators worldwide.