R500 - Linear Power Amplifier
500W, 160 - 6m PA, LDMOS, 19" enclosure / 2U
ROWAVES’s signature on a next-generation 500W HF/6m linear power amplifier, engineered from the ground-up with dual LDMOS architecture, intelligent protection and dedicated ROWAVES user interface (UI).
For applications in broadcasting, communications and amateur radio.
Prototype in development.
Technical specifications release date: est. end of Aug. 2026
Pre-ordering & availability: est. Oct. 2026
Reliable RF Linear Power Amplifiers for HF - VHF range
ROWAVES® develops and manufactures high-power RF amplifiers for HF - VHF range with applications in broadcasting, communications and amateur radio.
RF Product Solutions
Solid state RF Power amplifiers for HF-VHF range and T & M infrastructure. Module design or bench-top SSPA equipment, including 19'' rack mounted devices. From mW up to 1kW, from kHz up to 200MHz.
RF System Testing
We are capable to offer on request various system testing for HF - VHF amplifier research: intermodulation distortion (IMD), harmonics behavior, spectral purity, power leveling, protections, mismatch behavior etc.
RF Custom Design
Contract based or custom applications in terms of amplifier design, filtering, monitoring and protections for broadcasting, communication and amateur radio HF-VHF power amplifiers.
Test & measurement infrastructure. In stock. Available for immediate delivery.
RF Tools & Learning Resources
Lates Technical Specification / Data-Sheet:
Latest Engineering Report:
T&M industrial / RF Lab amplifiers
Amateur-radio high performance HF amplifiers
RF Calculators & Converters
Easy-to-use tools from complex mathematical formulas to simple conversions.
RF Conversion Tables
From dBm to Watts, Return Loss to VSWR, connector identification sizes and waveguides.
Technical Blog
Direct results from the laboratory’s test bench are usually reported in the blog section.
About ROWAVES®
With over a decade of experience, ROWAVES® is an ISO9001-2015 QMS certified, independent, privately owned company established in 2014. Founded with a clear mission to support commercial, industrial, and educational sectors, ROWAVES® focuses on delivering high-quality products and components for RF engineering applications across the DC to 3GHz frequency range. Since day one, ROWAVES® has been dedicated to providing reliable, top-tier products along with outstanding customer service. Our expertise spans the design, assembly, and manufacturing of a wide range of RF equipment, particularly for amateur radio operators and RF professionals. This includes low, medium and high-power amplifiers covering HF to VHF bands. In addition, our operations extend to the marketing, promotion and distribution of RF and microwave electronic components, such as:
- magnetic materials
- RF transistors
- RF capacitors
- DC to HF/VHF/UHF/L/S/C band components, such as: fixed attenuators, dummy loads, step attenuators, directional couplers, filters, RF transformers, and RF samplers for both laboratory and professional applications
At ROWAVES®, we are pleased to offer application-specific custom designs to meet your unique requirements. Our strenghts:
✔ over 10 years of industry experience
✔ no minimum order quantities
✔ next-day shipping on nearly all in-stock inventory
✔ expert technical support via WhatsApp and email
How We Differentiate:
Quality Products and Technical Documentation
Supperior Customer Support and Warranty Service
Transparent Engineering for the Design Process
Customers About Us
Colin McGowan , MM0NDX
Hanno Vogels - DK3HV
Gert Van Loo, PA2LO
see more reviews here:
Research & Testing Laboratory Capabilities
We continuously invest in advanced RF and microwave test capabilities and, more importantly, in the expertise of our engineering team. This combination enables us to deliver precise measurements, trusted engineering support, and high-performance RF solutions that help customers validate designs, solve complex technical challenges, and accelerate product development across research laboratories, telecom infrastructure, defense, aerospace, satellite communications, and industrial RF applications.
Hire ROWAVES to solve your toughest RF engineering challenges!
| ✓ VNA – Vector Network Analysis | R&S™ ZNL-3 (5 kHz – 3 GHz) |
| ✓ SA – Spectrum Analysis | up to 2GHz (Siglent™ SSA3021X Plus with TG) |
| ✓ FRQ – Frequency Metering / Counting | up to 3GHz (Agilent™ 53131A & TTi™ PFM3000) |
| ✓ SG – RF Signal Generation | 100KHz up to 1GHz (HP™ 8656B & HP 8657A SGs) |
| ✓ ARB – Arbitrary Signal Generation | D.C. up to 15MHz (Agilent™ 33120A) |
| ✓ CU – Directional Coupling / RF Sampling | 1MHz to 175MHz/1200W CW (Werlatone™ C5425 & Maury Microwave™ 4099E) |
| ✓ PWR – RF Power Measurements | up to 18GHz (HP™ 437B w/ 8484A Power Sensor) |
| ✓ PS – Power Supplying | up to 80V/50Adc (TTi™ QPX750SP/HP™ 6553A/TENMA™ 72-13350) |
| ✓ DL – Fictive Artificial Dummy Load | up to 1GHz/1000W (Spinner™ 537761) up to 2.5GHz/600W (DICONEX™ 17-0492) |
| ✓ LCR – metering for passive components | Keysight™ U1733C w/ U5481B IR data-logging |
| ✓ OSC – Oscilloscope Metering | up to 100MHz 1Gs/s, 2 x Tektronix ™ MSO2014 |
| ✓ MUL – Multimetering, analogue or digital | Keysight™ U1242B |
Our Team
Andrei AVIRVAREI
CEO, RF engineer
product development, customer care, business development, marketing & sales
Catalin PASCUT
electronics engineer
schematic & layout design, engineering reporting, RF testing, product prototyping & evaluation
Melina COJOCARU
team assistant
order processing, accounting, customer interface, shipping, inventory and supplying, workshops & events planner
Gheorghe AMARIEI
CTO, RF engineer
product development, simulation & filed analysis expertise, 10+ years experience in RF domain
Professional Support & Consulting
email response time: usually 12h
3D/SSL Secured Card Payments
protected payments
Worldwide Delivery: DHL Express
delivery time: approx. 1 – 5 days
Warranty for Finished Products
2 years for EU - 1 year non-EU
WhatsApp Live Technical Support
response max. 2h. Mo-Fri: 9-17 (EET)



