https://www.tinysa.org/wiki/

• 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.

• Input frequency range from 100kHz to 350MHz (with some limitations down to 10kHz)
• 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 of +10dBm with 0dB internal attenuation
• Absolute maximum short term peak input power of +20dBm with 30dB internal attenuation
• Suggested maximum input power of +5dBm with internal attenuation in automatic mode
• For best measurements keep input power below -25dBm
• Input Intercept Point of third order modulation products (IIP3) of +15dBm with 0dB internal attenuation
• 1dB compression point at -1dBm with 0dB internal attenuation
• Power detector resolution of 0.5dB and linearity versus frequency of +/-2dB
• Absolute power level accuracy after power level calibration of +/- 2dB
• 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 51, 101, 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 signal
• After a small HW modification it is possible to Listen to the demodulated audio

  Input frequency range from 240MHz to 960MHz
  Input impedance is frequency dependent and deviates from 50 ohm
  As there is no input band filter, strong input 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 with no internal attenuation
  1dB compression point at -6dBm with no internal attenuation
  Power detector resolution of 0.5dB and linearity versus frequency of +/-2dB
  Absolute power level accuracy after power level calibration of +/- 2dB
  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
  Manually selectable resolution filters of 3, 10, 30, 100, 300, 600kHz. Automatic selection of one of the 57 resolution filters.
  Optional 25dB to 40dB frequency dependent input attenuator. The power level error with this attenuator activated increases to +/- 10dB
  On screen resolution of 51, 101, 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
  After a small HW modification it is possible to Listen to the demodulated audio 

Low output mode spec:

  Sinus output with harmonics below -40dB of fundamental
  Output frequency range from 100kHz to 350MHz
  Level accuracy +/- 2dB over the whole output frequency range
  Output frequency resolution either 156Hz below 47MHz output or 312Hz above 47MHz output
  Output level selectable in 1dB steps between -76dBm and -6dBm
  Optional AM, narrow FM and wide FM modulation with frequencies between 50Hz and 6kHz or slow sweep over selectable frequency span
  Optional output level sweep over maximum the entire output level range 

High output mode spec:

  Square wave output
  Output frequency range from 240MHz to 960MHz
  Output frequency resolution either 156Hz below 480MHz output or 312Hz above 480MHz output
  Output level selectable in variable increments between -38dBm and +9dBm
  Optional narrow FM and wide FM modulation with frequencies between 50Hz and 6kHz or slow sweep over selectable frequency span 

Reference generator spec:

  Optional square wave output with fundamental at -26dBm 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 hours