Custom RF antennas, 140–2700 MHz. Measured on a VNA. Shipped in 1–3 days.
For SDR receivers, satellite reception, telemetry links and test benches. Every unit comes with its own measurement report. From 38 $.
Quadrifilar Moxon · 140–288 MHz
Standard ranges cover 140–2700 MHz. Need 1.2 GHz with 80 MHz bandwidth? We design and build it.
Every antenna is measured on a vector network analyzer before shipping. You get the S11 / VSWR plot and a PDF measurement report.
Small batch manufacturing in our own lab. No minimum order: one antenna is a normal order. Any standard range can be retuned to your frequency.
Which antenna do you need?
Three families, one rule: choose by frequency and polarization first, gain second.
Circular polarization, omnidirectional, up to 300 W. The VSWR ≤ 1.3 and ≤ 1.5 bands of every antenna are measured on a VNA and shown on its page. For links where orientation changes or is unknown. Bare or with a radome.
16 ranges Patch2.1–6.0 GHzFlat, directional, linear or circular polarization. Fits enclosures and flat mounts.
Coming soon Horn800–7200 MHzLinear polarization, 10–16 dBi, wide bandwidth. For test benches and directional links.
Coming soonPopular ranges
All 16 ranges →
Where these antennas are used
Passive, circularly polarized, omnidirectional. They fit wherever the link orientation changes or a clean, measured antenna is needed on the bench.
Wideband receivers, spectrum monitoring, hobby and research stations. Pick the range that covers your band.
Circular polarization for LEO downlinks and weather satellites, without tracking the antenna orientation.
Point-to-multipoint data links where nodes move or rotate. Omnidirectional pattern, stable VSWR across the range.
A reference antenna with its own VNA report for lab measurements, prototyping and teaching.
What you get
How we work
- Design
We tune the geometry to your center frequency and bandwidth.
- Build
Machined and assembled in our lab, one unit at a time.
- Measure on VNA
S11 and VSWR across the band. Out-of-spec units do not ship.
- Measurement report
Your unit's plot and parameters in a PDF, with the serial number.
- Ship
Nova Post across the EU, to the UK and the US, Ukrposhta to most other countries. Others on request.
A small engineering lab
URFA Lab designs and manufactures passive RF antennas in Ukraine. We start from your frequency, not from what is on the shelf: geometry, enclosure and connector are set per order. Every unit is measured on a vector network analyzer before it ships, and that measurement travels with the antenna as its report.
Questions before you order
Bare or radome, which one do I need?
Bare is lighter and cheaper, for indoor or enclosed mounting. The radome is a weatherproof cap for outdoor use; it is a fixed surcharge included in the radome price.
What is the measurement report?
Every antenna is measured on a vector network analyzer before shipping. You get the S11 / VSWR plot of your specific unit, with its serial number, as a PDF. The unit is guaranteed to match its specification.
How fast do you ship?
Standard ranges are built to order and ship in 1–3 business days. Nova Post delivers to Poland and Moldova from 3 business days, to the UK and most of Europe from 5 (some EU countries from 6 to 8), and to the US and some other countries from 7; to other countries parcels go by Ukrposhta in 7–60 days, depending on the country. The shipping calculator shows the time for your country.
Who pays import VAT and duties?
They are not included in our prices, and we do not collect them at checkout. Prices include manufacturing, VNA measurement and payment costs, and exclude shipping. Whether import VAT, customs duty and the carrier’s customs fee apply to your parcel, and how they are paid, is set by the rules of your country and by the carrier; as a rule the recipient pays them before or on delivery. Business buyers with a VAT number can usually reclaim import VAT in their country.
Can I return an antenna?
Standard antennas: within 14 days if unused. Custom antennas are made to your specification and are not returnable unless they are outside the measured spec.
My frequency is not in the list.
Any standard range can be retuned on request, and we design antennas for other frequencies from scratch. Use the custom request form; we reply within a few hours on business days with a quote and lead time.
Need another frequency?
Tell us the center frequency, bandwidth and polarization. We reply within a few hours on business days with a quote and lead time.