Additional Features: 3.8" diagonal, 1/4 VGA, Color Active Matrix display Simplified user interface to facilitate ease-of-use and minimize technicians learning curve Handheld, rugged, portable and lightweight Weather resistant Ideal for field use Battery operated (up to 10 hours) Swappable battery pack RS-232, USB and Ethernet connectivity PC replacement - including file transfer, 8MB of storage, VT100 emulation, printing and web browser Built-in microphone and speaker with Headset connection In one lightweight, robust, battery operated tester, the Acterna HST-3000 offers more testing power than any other handheld tester on the market. Its scalable, modular design cost-effectively addresses today’s needs. Upgrade later in the field to meet emerging requirements through plug-in hardware modules and software options.