Specification:User interface:* Display resolution 320*240 pixels* Screen diagonal 2.8"* 16 bits per RGB pixels* Resistive touch control* Jog switch control* USB serial port control* Optional TTL USART port (SW not yet implemented) on the internal PCB* Linear power supply to avoid switching noise.*Add port ESD protection to upgrade versionV0.3.1_E)The input/output specification of the tinySA is split over the 4 modes:Low input mode spec:* Input frequency range from 100kHz to 350MHz* Input impedance 50 ohm when input attenuation 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 +10dBm* Absolute maximum input power with 30dB attenuation of +20dBm for short period* Input Intercept 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 +/- 1dB* Lowest discernible signal using a resolution bandwidth of 30kHz of -102dBm* Frequency accuracy equal to the selected resolution bandwidth* Phase noise of -90dB/Hz at 100kHz offset and -115dB/Hz at 1MHz offset* Spur free dynamic range when using a 30kHz resolution bandwidth of 70dB* Manually selectable resolution filters of 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 ensure coverage of the whole scan range regardless of the chosen resolution bandwidth* Spur suppression option for assessing if certain signals are internally generated or actually present in the input signalHigh input mode spec:* Input frequency range from 240MHz to 960MHz* As there is no input bandfilter strong signals outside the 240MHz to 960MHz range can cause distortion of the in band signals* Absolute maximum input level without attenuation of +10dBm* Input Intercept Point of third order modulation products (IIP3) of -5dBm* 1dB compression point at -6dBm with 0dB attenuation* Power detector resolution of 0.5dB and linearity versus frequency of +/-1dB* Absolute power level accuracy after power level calibration of +/- 1dB* Lowest discernible signal using a resolution bandwidth of 30kHz of -115dBm* Frequency accuracy equal to the selected resolution bandwidth* Spur free dynamic range when using a 30kHz resolution bandwidth of 50dB* Selectable (automatic and manual) resolution filters of 3, 10, 30, 100, 300 and 600kHz* Optional 25dB to 40dB frequency dependent input attenuator. The power level error with this attenuator activated increases to +/- 15dB* 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 ensure coverage of the whole scan range regardless of the chosen resolution bandwidthLow output mode spec:* Sinus output with harmonics below -40dB of fundamental* Output frequency range from 100kHz to 350MHz* Output level selectable in 1dB steps between -76dBm and -6dBm* Optional AM, narrow FM and wide FM modulation or slow sweep over selectable frequency spanHigh output mode spec:* Square wave output* Output frequency range from 240MHz to 960MHz* Output level selectable in variable increments between -38dBm and +13dBm* Optional narrow FM and wide FM modulation or slow sweep over selectable frequency spanReference generator spec:* Optional square wave output with fundamental at -25dBm connected to high input/output* Frequency can be set to 1MHz, 2MHz, 4MHz, 10MHz, 15MHz or 30MHz.Battery spec:* Charging time max 1 hour on 500mA minimum USB port or USB charger* Operation on fully charged battery for at least 2 hoursPackage inclued:TinySA 2.8" Spectrum analyzer *120cm sma-sma rg174 rf cabe *2USB Type-C Data Cable *1Hand rope *1SMA female to female connector *1SMA telescopic antenna *1