Hand Held Tiny Spectrum Analyzer 2.8Inch Display with Battery,Antenna Analyzer

Low input mode spec:Input frequency response from 100kHz to 350MHz; Input impedance 50 ohms when input attenuation is set to 10dB or more; Selectable manual and automatic input attenuation between 0dB and 31dB in 1 dB steps; Absolute maximum input level without attenuation of + 10dBmAbsolute maximum power with 30dB attenuation of + 20dBm for short period; Input Point of third order modulation products (IIP3) with 0dB attenuation of + 15dBm; 1dB compression point at + 2dBm with 0dB attenuation; Power detector resolution of 0.5dB and linearity versus frequency of +\/- 1dB; Absolute power level accuracy after power level calibration of +\/- 1dBLowest observable signal with a resolution bandwidth of -102dBm of 30kHz; Frequency accuracy equal to the resolution bandwidth; Phase noise of -90dB \/ Hz at 100kHz offset and -115dB \/ Hz at 1MHz offset;Spur free dynamic range using a 30kHz resolution bandwidth of 70dBManually selectable resolution filters from 3, 10, 30, 100, 300, 600kHz. Automatic selection of one of the 57 resolution filters;On screen resolution of 145 or 290 measurement points;Scanning speed of over 1000 points \/ second using largest resolution filters;Automatic optimization of actual scanning points to cover the entire scan range regardless of the chosen resolution bandwidthReference generator spec: square wave output with basic at -25dBm connected to high input \/ output;Frequency can be set to 1MHz, 2MHz, 4MHz, 10MHz, 15MHz or 30MHz.SpecificationUser interface:Display resolution: 320 * 240 pixelsScreen diagonal: 2.8 inch16 bits per RGB pixelsResistive Press controlJog switch controlUSB serial port controlTTL USART port (SW not yet implemented) on the internal PCBLinear power supply to avoid switching noise.The input \/ output specification of the issplit over the 4 modescolour: blackMaterial: metal + plasticPackage Contents: 1 * Spectrum analyzer setOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.