About the Grandstream DP755The Grandstream DP755 is a Long Range, High Performance DECT VoIP Base Station that Pairs with up to 10 of Grandstream's DP Series of DECT HandsetsThe powerful Grandstream DP755 provides mobilty to business users. It supports an outdoor range of up to ...About the Grandstream DP755The Grandstream DP755 is a Long Range, High Performance DECT VoIP Base Station that Pairs with up to 10 of Grandstream's DP Series of DECT HandsetsThe powerful Grandstream DP755 provides mobilty to business users. It supports an outdoor range of up to 400 metres with the Grandstream DP730 Handset, and an outdoor range of up to 350m with the Grandstream DP722 Handset and Grandstream DP720 Handset whilst offering an indoor range of up to 50 metres.The DECT VoIP Base