RF Explorer - ISM Combo and Handheld Spectrum Analyzer 240 - 960 MHz and 2.35 &ndash; 2.55 GHz 2 Years Warranty; Frequency band: 240-960 MHz and 2.352.55 GHz; Frequency span: 112KHz - 100MHz Amplitude resolution: 0.5dBm ; Dynamic range: -115dBm to 0dBm Absolute Max input power: +5dBm ; Average noise level (typical): -110dBm 2.4GHz RF Generator amplitude: -30dBm to +1dBm ; Frequency stability and accuracy (typical): +-10ppm Amplitude stability and accuracy (typical): +-3dBm ; Frequency resolution: 1Khz