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Handheld vector network analyzer with 4.3 inch touchscreen and SMA connectors

Seesii

Seesii NanoVNA-F V3 vector network analyzer

SKU CH-9P8P-F9282

Measures antennas and cables from 1MHz to 6GHz with a 4.3 inch touchscreen and includes calibration kit

  • 1 MHz to 6 GHz frequency range covers MF to SHF bands
  • 3 inch 800 × 480 touchscreen for clear trace viewing
  • 801 scan points at 200 points/s deliver fast, detailed sweeps
  • 12 calibration slots store full-range correction data
  • 4500 mAh battery with USB-C charges in about 3 hours

Seesii NanoVNA-F V3 analyzer

The Seesii NanoVNA-F V3 is a handheld vector network analyzer built for RF engineers, amateur radio operators and technicians who need portable S-parameter measurements from 1 MHz to 6 GHz. It ships as a complete kit with a gold-plated SMA calibration set, adapters, two RG405 cables and a USB Type-C data cable. The 4.3 inch 800 x 480 touchscreen gives direct control of sweep setup and trace display without an external PC.

Metal shielding and battery operation

A durable metal chassis shields the measurement path from electromagnetic interference during bench or field work. An internal 4500 mAh rechargeable battery powers the unit for extended sessions and recharges through the Type-C port in about three hours. The LED indicator shows charge status at a glance, and the low-draw architecture keeps the analyser cool and silent during continuous sweeps.

1 MHz to 6 GHz sweep with 801 points

The analyser covers 1 MHz to 6 GHz with selectable sweep resolution from 101 up to 801 points at up to 200 points per second. S21 dynamic range reaches 65 dB and S11 dynamic range reaches 50 dB. Twelve calibration profiles can be stored for instant recall across the full frequency span. Buyers who need coverage below 1 MHz or more than 801 sweep points should consider a different instrument.

Highlights

  • 1 MHz to 6 GHz frequency range covers MF to SHF bands
  • 3 inch 800 × 480 touchscreen for clear trace viewing
  • 801 scan points at 200 points/s deliver fast, detailed sweeps
  • 12 calibration slots store full-range correction data
  • 4500 mAh battery with USB-C charges in about 3 hours

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Seesii NanoVNA-F V3 and which step do users most often get wrong?

Connect the included Gold-Plated SMA Calibration Kit (LOAD, OPEN, SHORT) to the SMA ports, then run a full 12-slot calibration across the 1MHz-6GHz range before measuring; the step most users skip is saving that calibration to one of the 12 storage slots so it persists after power-off.

What maintenance or replacement will the Seesii NanoVNA-F V3 need later?

The built-in 4500mAh rechargeable battery will eventually lose capacity after repeated charge cycles; when run-time drops below your needs, the unit must be sent in for battery replacement because it is not user-replaceable.

What limit appears first during sustained use of the Seesii NanoVNA-F V3?

Continuous scanning at up to 200 points/s across 801 points draws steady current, so the 4500mAh battery typically reaches low charge after several hours of non-stop operation, forcing a recharge via USB Type-C before you can continue.

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