The pre-owned Agilent E7405A lets EMC engineers push pre-compliance checks to 26.5 GHz in a single, luggable 4-U chassis. Digital 1 Hz RBWs and built-in peak, quasi-peak, and average detectors reveal emissions ordinary SAs miss, while the 20 dB internal pre-amp drives the noise floor to –167 dBm/Hz—quiet enough to spot faint harmonic leaks without an external LNA.

SCPI/LAN/GPIB control, optional tracking generator, and firmware-upgrade paths future-proof automation needs. Buying refurbished trims capital outlay and lead-time; units can ship ISO-17025-calibrated with verified firmware, preserving Agilent accuracy and parts support at a fraction of new-instrument cost.

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Interested in Keysight Agilent E7405A or a similar model?

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Looking for other models? Our inventory changes daily—ask for the latest list of spectrum analyzers and RF equipment.

TESTRO Advantages

1. Laboratory-Verified Performance – Every unit ships with an ISO/IEC 17025 calibration certificate (TESTRO Certified) tied to its serial number.

2. Full Internal Transparency – High-resolution teardown photos plus a live video test (gain-linearity, noise-floor, spurious response); recordings are stored for the product’s lifetime.

3. Warranty & Technical Support – One-year warranty and weekday remote assistance from the in-house engineering team for both software and hardware issues.

4. Secure, Rapid Shipping – Aviation-grade flight case with triple-layer anti-vibration foam and shock/tilt indicators; priority DHL delivery in 3–5 days to major destinations.

5. Flexible Payment Options – Accepts T/T, wire transfer, credit card.

6. On-Site Inspection Welcome – Customers may visit the Shenzhen warehouse and refurbishment line to view calibration benches, burn-in racks, and inventory.

Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen.

Industry Background & Resource Sourcing

Over the past two decades, rapid advances in China’s radio-frequency sector have shortened production-line refresh cycles to roughly 3–5 years. Leveraging long-term partnerships with equipment OEMs, research institutes, and calibration labs, TESTRO acquires traceable, well-maintained decommissioned or replacement units. Every instrument undergoes a five-step technical check and third-party calibration before entering stock, ensuring reliable performance data.

Core Services & Delivery Process