Signal Hound, Inc. Vector Network Analyzer - 2 Port, 40MHz - 40GHz, No D-Rings.
The VNA400 is a high-performance, USB-powered, 40 GHz, 2-port, vector network analyzer. It features a wide frequency range of 40 MHz to 40 GHz, sub-Hz resolution, +/- 1 ppm internal TCXO accuracy and a sweep speed of 2000 points per second at 30 kHz RBW. A fully-featured software suite is included with this product.