D-Link Input Type RJ-11 (Telephone Line) supported by ISPs such as MTNL, BSNL and Tata Indicom. Not compatible with cable broadband ISPs such as Hathway, ACT, Tikona, MyWorld, Nextra, Siti Cable, You Broadband, Spectranet etc. Fast internet transmission of up to 24 mbps downstream, 1 mbps upstream Wireless Speed: Up to 54 Mbps (802.11g), 300 Mbps (802.11n)1 ; Operating Humidity: Operating: 5 % - 95 % Non-condensing ; Temperature: Operating: 0DegC - 40DegC Storage: - 20DegC - 70DegC A wireless on and off button is also included for user convenience Device Interface: RJ-11 ADSL port, WPS button, power on/off switch, built-in 802.11n wireless LAN and two 5 dbi antennas