The SPECTRAN V6 PLUS Series from Aaronia AG is a RF Spectrum Analyzer with Frequency 0.01 to 6 GHz, Resolution Bandwidth 62 mHz to 200 MHz, Real Time Bandwidth 120 MHz (Tx) & 245 MHz (Rx), DANL -170 dBm/Hz, Attenuation Range 50 to 70 dB. Tags: USB / Computer Controlled. More details for SPECTRAN V6 PLUS Series can be seen below.