PXN-400 revolutionizes RF spectrum analysis with its cutting-edge SHR architecture and unparalleled frequency range of 9 kHz to 40 GHz. Featuring a remarkable dynamic range of -161 dBm/Hz and an analytical bandwidth of 100 MHz, the PXN-400 guarantees precise and comprehensive signal detection. Its ultra-fast sweep speed of over 500 GHz/s and exceptional phase noise performance at -107 dBc/Hz ensure reliable and accurate measurements, even in the most demanding environments.