Tiptel tiptel.com 822 XT. Connectivity technology: Wireless. Power requirements: 230 V + 6% / -10%, 50 Hz, 40 VDC. Storage temperature range (T-T): -20 - 70 °C, Operating temperature range (T-T): 0 - 40 °C. Weight: 1.37 kg, Dimensions (WxDxH): 260 x 240 x 50 mm