NeweggBusiness - Spracht ZuM ECO-DECT Pro Wireless DECT 6.0/USB Combo Headset & Base Station with low Emissions - up to 500 feet of Wireless Range and also includes USB for VOIP/SKYPE/LYNC calls
Amazon.com: Spracht Zum ECO-DECT Pro - UC ECO-Dect 6.0/USB Wireless Low-Emission Headset + Base Station with up to 500 feet of Wireless Range : Office Products
Brevi ECO DECT Baby Monitor 0+. | eBay
How to activate ECO DECT on your Gigaset phone - liGo Blog