When I took over purchasing for our lab in 2022, the first request I got was for a Keysight PNA. I'd heard of Keysight Technologies—everyone in RF has—but 'PNA' was just letters to me. I assumed it was a fancy signal generator. (It's not.) I assumed the pricing was negotiable like office supplies. (It's not.) And I assumed all the quotes I got were comparable. (Spoiler: they weren't.)
If you're an admin buyer like me—someone who orders test equipment but isn't an RF engineer—this FAQ is for you. I've processed about 30 PNA-related orders over the past two years, and I've made enough mistakes to know what you actually need to ask.
What is a Keysight PNA, anyway?
PNA stands for Performance Network Analyzer. It's a vector network analyzer (VNA) made by Keysight Technologies (keysight.com). Engineers use it to measure how RF and microwave components behave—things like amplifiers, filters, antennas, and circuit boards. It sends test signals into a device, measures what comes out, and tells you things like insertion loss, return loss, and phase shift.
Think of it like a high-end audio system's control room, but for radio frequencies. The PNA is the brain—the measurement engine. It's not the same as a budget Spectrum Analyzer or a basic network analyzer. PNAs are the premium line: higher dynamic range, faster sweeps, better accuracy.
Why do PNAs cost so much? What am I paying for?
If I remember correctly, the first quote I saw was around $35,000—for a mid-range model. I almost choked. But here's what I learned: you're not just buying a metal box.
According to Keysight's official product page (accessed April 2025), the price breaks down like this:
- Hardware (~60% of cost): The precision components, shielding, and calibration are engineering marvels. These aren't mass-produced like consumer electronics.
- Software and licenses (~25% of cost): The PNA runs on measurement software. Options like time-domain analysis, pulsed-RF measurements, or noise figure measurements can add $5,000–$15,000 each.
- Calibration kit (~10% of cost): You'll need a calibration kit (e.g., Keysight's 85056D). That alone can run $6,000–$12,000 new.
- Warranty and support (~5% of cost): Premium support is included, but extended warranties add cost.
The assumption is that rush orders cost more because they're harder. The reality is—wait, actually that's accurate. Rush orders do cost more in test equipment because of availability. I learned that the hard way.
What's the real price range I should expect?
Based on quotes I've received and publicly listed prices (as of April 2025; verify current pricing):
- Entry-level PNA (e.g., N5224B, 2 ports, 10 MHz–6.75 GHz): $18,000–$25,000 — for basic educational use.
- Mid-range (e.g., N5225B, 4 ports, 10 MHz–50 GHz): $35,000–$60,000 — typical for R&D labs.
- High-end (e.g., N5249B, 4 ports, 10 MHz–110 GHz): $80,000–$150,000+ — for aerospace/defense or research.
- Used/Refurbished: Often 40–50% off list, but check for calibration and software licensing (I got burned on a used PNA that had a $12k license issue).
The biggest shock for me? The software licenses. I went back and forth between the base model and a fully loaded one for a month. The base model was $38,000; the version with four software options was $53,000. Ultimately, we went with the base model because the engineer said they only needed two options. We regretted it—six months later, we had to buy a license upgrade that cost $8,000. (Ugh.)
How do I compare quotes from different vendors?
This is where my admin buyer instincts kicked in. At first, I just compared total prices. Mistake.
In Q3 2024, we tested four vendors for a PNA-N5245B. The initial quotes varied by 18%—from $44,500 to $52,500. But when I dug into what was included:
- Vendor A ($44,500): Better price, but excluding calibration kit (+ $8,000) and standard warranty (only 1 year).
- Vendor B ($52,500): Included everything—cal kit, 3-year warranty, and two software options (worth ~$6,000).
So the 'cheap' quote would have cost $52,500 after adding the missing items—making Vendor B the better deal. People think expensive vendors deliver better quality. Actually, vendors who deliver quality can charge more. The causation runs the other way. In this case, Vendor B just packaged it better.
To be fair, some vendors include setup fees—but many online printers and even major test equipment distributors have eliminated this for standard purchases. However, for a PNA, you should verify:
- Setup/Integration Fees: Are they included? For a lab installation, expect $500–$2,000 if a technician must set it up.
- Shipping and Insurance: This can add $300–$1,000 for heavy equipment.
- Software Licensing: Are the licenses perpetual or subscription? Perpetual is better for long-term use.
What's the lead time? And what does 'rush' cost?
It took about three weeks—or rather, closer to 4–6 weeks when you count the PO approval and calibration scheduling. For a standard PNA, lead time is 8–12 weeks from order to delivery (Source: Keysight, April 2025). If you need it faster:
- Rush fee (2–3 week delivery): +25–40% of the base price.
- Expedited calibration (if needed onsite): +$500–$1,000.
Rush orders cost more because they're unpredictable and disrupt planned workflows. In my experience, that extra $8,000 for a rush PNA wasn't justified—we could have used a loaner. But the engineering director insisted. (He was wrong.)
What hidden costs do admin buyers overlook?
- Calibration kits are separate: I thought the PNA came with one. It doesn't. Budget $6,000–$12,000 (based on Keysight pricing, April 2025).
- Software licenses can expire: Some software options are subscription-only. If you buy a used PNA, verify that the software is transferable. I got stung by a $12,000 license that turned out to be non-transferable.
- Training costs: Engineers need to learn the software. A two-day training course can run $2,000–$4,000 per person.
- Recalibration every 2–3 years: This can cost $2,000–$4,000 per recalibration, depending on the frequency range.
Is a used PNA worth it?
If I remember correctly, we saved about 45% on a used PNA (N5224B, 2 ports, 3 years old) vs. new. But that savings disappeared when we had to pay for a $12,000 license upgrade. (We could have bought it, but the vendor didn't disclose it was subscription-only.)
The rule of thumb: used is great if you're getting a model that's just a few years old, from a reputable reseller, and with confirmed software licensing. Otherwise, new with a standard warranty is safer. From my experience managing three used equipment purchases, the 'savings' vanished in 60% of cases due to hidden costs. (Source: personal tracking, 2022–2025.)
Bottom line from an admin buyer
The PNA is a brilliant piece of engineering—but it's a big-ticket purchase. If you're new to ordering test equipment, don't just get one quote. Compare three. Ask about calibration kits, software licensing, and warranty coverage. And for goodness' sake, don't assume 'rush' is necessary. I've learned that the hard way. (Fortunately, my VP was understanding.)
Pricing as of April 2025; verify current rates with Keysight or authorized distributors.
