Quadrifilar Moxon · 140–288 MHz

Passive RF antenna, custom manufactured, no active electronics. Circular polarization, omnidirectional, 140–288 MHz; any range can be retuned on request.

Used for

Telecommunication and point-to-multipoint data links
SDR receivers and spectrum monitoring
Satellite reception: LEO, weather and amateur satellites
Telemetry and remote sensing
IoT gateways and sensor networks (range-dependent)
Test benches, R&D and education
Reference antenna for lab measurements

polarization circularpattern omni VSWR ≤ 1.3 180–285 MHz max input 300 W

SDR receiveSatellite receptionTelemetry linkTest bench

Enclosure

Bare version: lighter and cheaper, for indoor or enclosed mounting.

Connector

Quantity · 1–10

Need more than 10? Request a quote

292 $

excl. import VAT and duties · bare

Ships byWed 11 Nov

Shipping to United StatesNova Post quoted individuallyoversize parcel

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Measured on a VNA · guaranteed to match its specification · 14-day returns

Invoice / SEPA

Import VAT, duties and customs fees are paid by the recipient on delivery · change country

VSWR · 140–288 MHzMeasured on VNA

VSWR ≤ 1.3: 180–285 MHz
VSWR ≤ 1.5: 170–305 MHz

Measurement of this antenna on a vector network analyzer: VSWR, impedance and Smith chart — Frame from the test video below: the analyzer screen during this measurement. Your unit ships with its own measurement report (PDF).

Specifications

Frequency range	140–288 MHz
Retuning	on request
Polarization	circular
Pattern	omnidirectional
VSWR ≤ 1.3, measured	180–285 MHz
VSWR ≤ 1.5, measured	170–305 MHz
Gain	TBD
Bandwidth	TBD
Connector	N / SMA
Enclosure	Bare
Max input power	300 W
Dimensions	TBD
Weight	TBD
Lead time	1–3 days