... End SpecificationFrequency300MHz-399MHz,560MHz-760MHz,760MHz-860MHz(customized),1.0-1.4GHz(customized)2.3-2.5GHz(customized)Frequency is ... (horizontal)Illumination0.01LUXFocusF1.4-F3.0 f=4.1-73.8mmF1.6-F3.8 f=3.5-91mmZoomingoptical:18X; digital: 12XRotating ... ALLTECH Basic scramblingRS232 serial port for configurationGuard Interval1/32,1/16,1/8,1/4 (optional)Video DecodingISO/IEC13818-2 (MPEG2 video) ...