Spectrum analyzer SeeSii DeepVNA-101
Nominal frequency: 10 kHz - 1.5 GHz
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Buy a portable vector network analyzer SeeSii DeepVNA‑101 for tuning antennas, filters and diagnosing RF paths
This is an updated version of the popular NanoVNA‑F with a Cortex‑M4 processor, a bright 4.3-inch IPS display and a capacious 5000 mAh battery. The SeeSii spectrum analyzer measures S-parameters, VSWR, insertion loss, return loss, and TDR cable diagnostics. The device is suitable for tuning antennas, filters and matching circuits.
- Frequency range from 10 kHz to 1.5 GHz for HF, VHF and UHF.
- Up to 70 dB dynamic range at low frequencies for accurate measurements.
- 4.3" high-resolution IPS display for clear graphics.
- Built-in 5000 mAh battery for long-term work in the field.
- Convenient encoder and touch screen control.
How the DeepVNA‑101 vector network analyzer works
The device is connected to the device under test via two SMA ports. It measures S-parameters (S11 and S21), displaying the results on the screen in the form of graphs, Smith charts or tables. Built-in calibration set (OPEN, SHORT, LOAD) ensures accurate measurements. The analyzer performs a TDR function to locate cable faults, measures insertion loss, return loss, and VSWR of antennas.
Technical characteristics and functionality
Frequency range is 10 kHz – 1.5 GHz. Number of scanning points - up to 301. Dynamic range S11/S21: 70 dB (up to 300 MHz), 60 dB (300 - 900 MHz), 50 dB (900 MHz - 1.5 GHz). 5000 mAh battery provides up to 10 hours of continuous operation. Kit includes calibration loads, adapters, SMA cables and protective case. The device has USB-C for charging and data transfer. The body is made of durable metal.
About the manufacturer SeeSii
SeeSii is a Chinese measurement equipment brand known for TinySA portable spectrum analyzers and DeepVNA vector analyzers. SeeSii products are CE certified and have high build quality. The brand offers solutions for radio amateurs, engineers and professional users, combining affordable prices with advanced functionality.
- Screen size: 4.3 inches
- Nominal frequency: 10 kHz - 1.5 GHz
- Scanning points: up to 301 points
- Battery capacity: 5000mAh/3.7V
- Memory capacity: 16 MB
- You can store up to approximately 1000 snp file data sets.