Nortel IP Telephone 2001. Weight: 0.78 kg, Dimensions (WxDxH): 90 x 165 x 168 mm. Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 5 - 95 %. Certification: FCC Part 15, Class B; ICES-003, Class B; AS/NZS 3548, Class B; EN55022, Class B;, Compliance industry standards: IEEE 802.3af, 802.1p/q, 802.1ab Link Layer Discovery Protocol (LLDP), AES 128-bit, SRTP