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Handheld spectrum analyzer with 2.8 inch touchscreen and SMA connectors

BFKK

BFKK Portable tinysa Spectrum Analyzer V0.3.1 100kHz-960MHz ESD 2.8 Touchscreen Signal Generator

SKU CH-EBCN-8B5TV

Handheld spectrum analyser covering 100 kHz to 960 MHz with built-in signal generator, ESD protection, 2.8-inch touchscreen and 290 scan points

  • Spectrum analysis from 100kHz to 960MHz
  • Signal generator with sine output to 350MHz and square wave to 960MHz
  • ESD protection diodes for higher stability and longer life
  • 8 inch touchscreen shows 290 scan points across full range
  • Switchable resolution filters from 2.6kHz to 640kHz with 0-31dB input attenuator

Portable Spectrum Analyzer

The BFKK tinysa is a handheld spectrum analyzer covering 100kHz to 960MHz with a 2.8 inch touchscreen. It also functions as a signal generator producing MF/HF/VHF sine output up to 350MHz and UHF square wave output up to 960MHz. The unit includes ESD protection diodes for improved stability and sensitivity. It suits hobbyists and technicians needing portable RF analysis and signal generation in one device.

Upgrading from basic RF tools

This analyzer replaces simple field strength meters or fixed-frequency generators by offering swept spectrum analysis with switchable resolution bandpass filters from 2.6kHz to 640kHz. The jump is worth it when you need to visualise signals across the full MF/HF/VHF and UHF ranges with 290 scan points on a colour display. An input step attenuator from 0dB to 31dB on the MF/HF/VHF input adds dynamic range that basic tools lack. Buyers who only need single-frequency checks or lack interest in spectrum sweeps will not benefit.

Installation and common issues

The device is ready to use out of the box with firmware V0.3.1 showing ESD protected on the version screen. No driver installation is required for standalone operation; connect the appropriate antenna to the MF/HF/VHF or UHF input and navigate via the touchscreen. What usually goes wrong: scanning speed drops sharply with narrow resolution bandwidths and wide spans — a full 0MHz to 350MHz sweep at 10kHz RBW takes about two minutes. Old inventory without ESD diodes may occasionally appear; verify the version screen and request replacement if needed.

Highlights

  • Spectrum analysis from 100kHz to 960MHz
  • Signal generator with sine output to 350MHz and square wave to 960MHz
  • ESD protection diodes for higher stability and longer life
  • 8 inch touchscreen shows 290 scan points across full range
  • Switchable resolution filters from 2.6kHz to 640kHz with 0-31dB input attenuator

Specifications

No published specifications for this item yet.

Questions about this item

What connectors does the tinysa use for its MF/HF/VHF and UHF inputs?

The analyser provides two RF inputs — a high-quality MF/HF/VHF port for 100 kHz to 350 MHz and a lesser-quality UHF port for 240 MHz to 960 MHz.

Which firmware step enables the ESD-protected diodes on this unit?

Power on the device and verify the version screen reads V0.3.1 with the “ESD protected” label; if it shows an older version, contact the supplier for a replacement.

Does the internal calibration generator need periodic recalibration or replacement?

The built-in calibration source is fixed in firmware and requires no user replacement; keep the unit within its specified temperature range for continued accuracy.

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