BFKK
BFKK NanoVNA V2 Plus4 50kHz-4.4GHz Network Antenna
A 50 kHz to 4.4 GHz vector network analyser with S11 and S21 measurement, 4-inch touchscreen, 3200 mAh battery and PC software support
- 50 kHz to 4.4 GHz range covers HF VHF UHF
- 90 dB dynamic range at 1 GHz for precise S-parameter data
- 400 points per second sweep speeds up antenna tuning
- 3200 mAh battery enables extended portable measurements
- 4-inch touchscreen with flip display simplifies field operation
Portable RF Analyser
The BFKK NanoVNA V2 Plus4 is a handheld vector network analyser covering 50 kHz to 4.4 GHz. It measures S11 reflection and S21 transmission coefficients for antennas, filters, duplexers, cables and amplifiers. The four-inch touchscreen supports a flip-display option and the unit includes a calibration kit, SMA cables, USB link and stylus. It suits radio amateurs, RF engineers and students who need laboratory-grade vector analysis in a field-ready package.
Battery Life and Thermal Behaviour
A 3 200 mAh lithium cell powers the analyser for extended sessions and recharge indicators show 25 % charge steps. The aluminium enclosure improves shielding and helps dissipate heat during continuous sweeps. Scanning runs at 400 points per second, four times faster than earlier V2 models, keeping measurement cycles short and thermal load modest. No active cooling is fitted, so silent operation is maintained throughout normal use.
Upgrade Path and Limits
This unit replaces earlier NanoVNA models limited to 1.5 GHz or 3 GHz and slower sweep rates. The wider 4.4 GHz span, 70 dB calibrated dynamic range and improved shielding make the jump worthwhile for users characterising modern UHF and microwave circuits. Buyers who require built-in tracking generators, higher dynamic range above 4.4 GHz or automated production-test scripting should consider bench-top analysers instead.
Highlights
- 50 kHz to 4.4 GHz range covers HF VHF UHF
- 90 dB dynamic range at 1 GHz for precise S-parameter data
- 400 points per second sweep speeds up antenna tuning
- 3200 mAh battery enables extended portable measurements
- 4-inch touchscreen with flip display simplifies field operation
Specifications
No published specifications for this item yet.
Questions about this item
How do I flip the display on the NanoVNA V2 Plus4?
Open the Menu, select Display, then choose Flip Display to rotate the 4-inch touchscreen for easier viewing.
What battery maintenance does the 3200mAh 3.7V lithium cell need?
Recharge via the included USB2-B to USB2-A cable; the four LED fuel-gauge indicators show 25 % steps, with the LED nearest the CH1 port lighting at the lowest level.
At what dynamic-range limit does the analyser stop resolving weak signals at 1 GHz?
The calibrated system dynamic range reaches 70 dB at 1 GHz, so measurements below that noise floor will lose accuracy.
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