Accurately finds weak signals across a wide frequency range

Updated 2024 version with improved scanning and lower error.
Portable spectrum analyser and tracking generator in one unit.
Supports popular standards: Wi‑Fi, GSM/2G/3G/4G/LTE, CDMA, GNSS and more.
3.2" colour touchscreen for convenient field work.
PC control and measurement automation via SCPI.

Description

HTOOL SA6 (2024 version) is a compact portable spectrum analyser with a tracking generator, designed for fast search, identification and assessment of radio signals in the 35–6200 MHz range. The instrument helps you “see” the spectrum: determine the frequency and amplitude of signal components, compare levels, locate interference and assess spectrum occupancy. Thanks to an optimised algorithm and improved dynamic range, the SA6 tracks amplitude level changes more accurately and detects weak signals more confidently — particularly useful for field monitoring, antenna/amplifier tuning, link checking and locating sources of interference.

The 3.2-inch colour resistive touchscreen makes operation intuitive: markers, scales and settings are available directly from the interface. A toggle switch provides a full power-off, which is convenient for transport. SCPI support allows you to integrate the instrument into test setups and automate measurement sequences from a PC. The 50-ohm input/output and a built-in 0–30 dB attenuator simplify working with different signal levels. The model supports Chinese, English and Russian interface languages.

SA6 is a practical tool for a communications engineer, radio amateur or technician who needs a wide range, high scan speed and true mobility without being tied to the lab.

Specifications

Model/version: HTOOL SA6, 2024 update
Frequency range: 35–6200 MHz (some specs also state 35–6000 MHz)
Max. span: 6165 MHz
IF (RBW/IF): 170 kHz (fixed)
Scan speed: up to 3.7 GHz/s
100 MHz scan time: < 40 ms
Signal detection at 10 MHz: ~20 ms
Dynamic range: 75 dB (35–3000 MHz), 70 dB (3000–6200 MHz)
Noise floor: < -100 dBm (up to 3000 MHz), < -95 dBm (3000–4500 MHz), < -90 dBm (4500–6200 MHz)
Built-in attenuator: 0–30 dB
Attenuation error: up to 10 dB — 1 dB; 10–20 dB — 5 dB; 20–30 dB — 8 dB
Tracking generator output: -15…-25 dBm
Max input signal: +10 dBm
Max DC voltage: 25 V
Impedance: 50 Ω
VSWR: < 1.5
Display: 3.2" colour, resistive touchscreen
Connectivity: PC connection via cable; SCPI commands; S-parameter support
Battery: 2500 mAh; ~3 hours operation; ~4 hours charging (some specs state 5–8 h)
Dimensions: 150×75×23 mm
Weight: ~380 g
Interface languages: Chinese, English, Russian
Power switch: toggle (full power-off)