Main Features
Frequency range coverage: 9 kHz to 54 GHz, low frequency can be extended to 5 kHz, full-band pre-amplifier are configured
RF performance specifications:
DANL: ≤-165dBm/Hz(2MHz~2GHz, Pre-amplifier on, Typ. for 4025A/B/D Model)
≤-163dBm/Hz(2MHz~2GHz, Pre-amplifier on, Typ. for 4025E/G/K Model)
SSB Phase Noise: ≤-113dBc/Hz@100kHz offset@1GHz carrier(Typ.)
≤-108dBc/Hz@100kHz offset@10GHz carrier(Typ.)
TOI: +16dBm@900MHz(Typ.)
Total Amplitude Uncertainty: ±1.0dB(Typ.)
Fast Sweep Speed
Sweep time< 33ms (20 GHz span, 3 MHz RBW)
Sweep time< 4s (1 GHz span, 1 kHz RBW, Fast FFT sweep mode)
Multiple measurement function modes
Spectrum Analyzer, Interference Analyzer (Spectrogram, RSSI), Channel Scanner, Field Strength Measurement, USB CW Power Measurement, USB Peak Power Measurement, AM/FM/PM Analyzer, Location Analyzer, Real-time Spectrum Analyzer (supporting DPX and Spectrogram display), 2G/4G/5G Demodulation Analysis, IQ analyzer, Time Gate Scanning etc.
Various intelligent measurement functions
Channel Power, Occupied Bandwidth, Adjacent Channel Power, Spectrum Emission Mask, Carrier-to-Noise Ratio, Harmonic Distortion, Spurious Emission Mask, Indoor/Outdoor Map, Gated Sweep, etc. Support GPS/Beidou positioning and frequency disciplined function for the crystal in the instrument, the typical frequency reference accuracy after GPS locking calibration can reach ±10ppb.
Multiple types of auxiliary test interfaces and digital interfaces
10MHz Reference Input and Output, GPS/Beidou Antenna, Zero Span IF Output, Wi-Fi Wireless Communication Interface, LAN, USB, MicroSD, etc.
User-friendly operation experience:
10.1″ LCD and capacitive touch screen with 6 independent markers, support for marker dragging, frequency/amplitude parameters dragging and scaling functions, support for signal tracking and peak tracking, 3 display traces, 6 detection methods (Normal, Peak, Negative Peak, Sample, Average, RMS).
Excellent field usability:
Strong environmental adaptability, working temperature -20℃ ~55℃ , storage temperature -50℃ ~70℃ ; light weight, the whole instrument including battery weighs about 3.5kg~3.8kg; supports three vision styles: Default, Black & White, Night Vision; built-in large-capacity lithium-ion battery, typical operating time up to 3~4 hours.
Multiple types of optional field test accessories can be configured
Such as USB CW Power Sensors, USB Peak Power Sensors, omnidirectional antennas, directional antennas, USB electronic compasses, EMI near-field probes, car chargers, Smart Battery Charging Base, etc.


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