To accommodate vessels ranging from tenders to sophisticated sport-fishing rigs, the smallest NSS evo2 is available with a 7-inch screen, followed by 9-inch and 12-inch models, while the biggest NSS evo2 comes with a 16-inch display designed to be flush-mounted onto a helm (the smaller units can be flush-mounted or can use a vertical mounting bracket). All four NSS models feature a TouchSensible interface that includes a pinch-to-zoom touchscreen, as well as a narrow-beam vertical strip of real estate — located on the screen’s right-hand side — that houses a rotary, push-to-enter knob, a dedicated home-screen button, a minimalist keypad and two Secure Digital (SD) cartography slots. All NSS evo2 units play nicely with Insight, C-Map MAX-N and Navionics Gold and Platinum, and the last allows a user to view two types of cartography simultaneously via the unit’s optional split-screen view. Each NSS evo2 MFD features a built-in 10 Hz high-gain GPS/GLONASS antenna, embedded sonar capabilities (CHIRP-enabled broadband sounder and StructureScan sounder) and LED backlit screens (resolution varies by screen size), and the unit can store up to 10,000 waypoints. Additionally, the 7- and 9-inch models each have one Ethernet port, while the 12- and 16-inch units have two Ethernet ports, allowing users to network as many as six NSS evo2 MFDs. All NSS evo2 units have an operating voltage range of 9 to 32 volts DC, are built to IPX-7 standards and are compatible with Simrad’s GoFree WiFi-1 module ($229), giving you the ability to monitor all networked instrumentation and vessel data wirelessly via your smartphone or tablet.