[. . . ] [. . . ] The handset features exceptional voice quality, a high resolution display, simple menu navigation and text messaging functions ­ all in a lightweight, ergonomic design. Various accessories and carrying options are available, making the MH110 an extremely versatile handset. UNIVERGE MH120 for the tough stuff When you need a handset that can withstand high usage in demanding work environments, choose the UNIVERGE MH120. The MH120 is small enough to be highly mobile, extremely simple to use, and is packed with features, including push-to-talk functionality, which The UNIVERGE MH120 is rugged enough for even the most challenging worksites eliminates the need for `walkie-talkies'. The handset has been rigorously tested to ensure it is rugged enough for even the most challenging worksites. Features 802. 11b (Wi-Fi) standard-compatible Text messaging support Push-to-talk mode (MH120 only) Four programmable softkeys supporting up to 16 programmable features Audible and vibrating ringers Extended talk time of up to four hours Specifications Radio Frequency Transmission Type Transmit Data Rates Transmit Power Wireless QoS Codecs Wireless Security FCC Certification Part Display 2. 4000 ­ 2. 4835 GHz Direct sequence spread spectrum 11, 5. 5, 2, 1 Mb/s, auto rate selection 100 mW peak, <10 mW average Spectralink Voice Priority (SVP) G. 711 (A- and u-law), G. 729 AB WPA-PSK 15. 247 Backlit dot matrix display with icons and line-status indicators Dimensions 5. 5" x 2. 0" x 0. 9" (MH110) 5. 9" x 2. 2" x 1. 0" (MH120) Weight 119. 068 grams (MH110) 170. 097 grams (MH120) Battery Capacity Four hours talk time, max. [. . . ] [. . . ]