Willteks 9102 Handheld Spectrum Analyzer is a multifunction instrument designed for lab and field applications concerning scalar network and spectrum analysis, including cable and antenna measurements and EMC pre-qualification tests. The basic 9102 has a frequency range of 100 kHz to 4 GHz and a resolution bandwidth (RBW) of an exceptional 1 kHz. An optional frequency extension allows measurements up to 7.5 GHz. The 9102 is small in size and weight, with a large, bright display and easy-to-use menu structure.