DeTeWe 6730i. Voice codecs: G.711?-law / A-law, G.729, G.722 wideband, BV16, BV32, L16. Display: LCD. Weight: 791 g, Dimensions (WxDxH): 178 x 208 x 77 mm. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -50 - 70 °C, Operating relative humidity range: 20 - 90 %. Certification: ROHS compliant WEEE (2002/96/EC)