Agilent E4446A 44 GHz Wideband Spectrum Analyzer / Spectrum Analyser

This pre-owned Agilent E4446A PSA offers laboratory-grade spectrum analysis from 3 Hz to 44 GHz with up to 80 MHz instantaneous bandwidth for wide-channel modulation tests.

Exceptional –118 dBc/Hz phase noise and a –155 dBm noise floor let engineers isolate low-level spurs and meet stringent ACPR/EVM targets, while ±0.19 dB amplitude accuracy assures repeatable production and R&D results.

Supplied fully tested, freshly calibrated and loaded with the latest firmware, the unit is available immediately—eliminating factory lead times and delivering significant capital savings without compromising precision, reliability or future upgrade paths.

Why Choose TESTRO?

• Exceptional Value – Get flagship signal-analyzer performance while staying within budget.

• Proven Global Trade Expertise – Years of cross-border B2B shipping; quick replies and on-time delivery.

• Total Transparency – Serial number, full option list, and additional photos/videos provided on request.

• Customer-First Support – Our technical team is always available to answer product or logistics questions, ensuring a worry-free purchase.

Contact Us Now for a Quote

Interested in this Agilent E4446A — 44 GHz Wideband Spectrum Analyzer?
Leave a message on our website and include your WhatsApp number or email so we can:

• Send you a personalized quotation and special pricing.

• Provide extra photos or detailed configuration information.

• Discuss shipping, duties, warranty, and any other specifics you need.

- Straightforward Q & A -

• How can I be sure the unit works properly?
  We accept third-party inspections and supply an official test report. You are also welcome to visit our facility for on-site testing.

• Is your pre-owned equipment sourced reliably?
  Yes. Nearly all units come directly from established electronics manufacturers and production lines.

• What if the device develops a fault?
  Each unit includes a three-month warranty. Return it within this period and we will repair or replace it. Most issues are software-related and can usually be fixed through a remote support session.

• What technical support do you provide?
  Our engineers and after-sales team are on hand to resolve any issue—so you can purchase with confidence.

• How do you ship and handle customs?
  We primarily use DHL, delivering worldwide in about 3–5 days. If customs clearance is a concern, we can ship DDP (Delivered Duty Paid); you only need to sign for the package.

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