.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px solid #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The UNI-T UTS3021B Performance-Series Spectrum Analyzer covers 9 kHz – 2.1 GHz with a 10.1-inch capacitive multi-touch display, a 1 Hz resolution-bandwidth floor, and up to 40,001 sweep points. It targets the sub-2.1 GHz bench measurement workload — communications module verification, IoT and wireless development, harmonic and spurious testing — with the option to add a tracking generator in the field when your work demands scalar transmission measurements. A typical displayed average noise level of -161 dBm/Hz (preamp on) and phase noise of