https://www.officedepot.com/a/products/8012738/Grandstream-Long-Range-DECT-VoIP-Base/
Grandstream Long Range DECT VoIP Base Station Black GS DP750 - Office Depot
With this SIP DECT base station you can extend the range of your DP720 cordless handset inside or outside. The station offers dependable security encryption...
long rangedect voipbase station