Catalogue number

Steatite reference

Contents Summary

Typical Gain / Axial Ratio

Typical Beamwidth / Patterns

QQD06-2 V7.3 BP 17/04/2019 4490

QSP-RC-2-40-K-SG 

2 - 40GHz Right Hand

Circularly Polarised Spiral

Antenna fitted with an K type

Connector

QMS-00935

QSP-RC-2-40-K-SG

Maximum Size

Mounting

Typical Specification

10dB Beamwidth

Weight

3 threaded M3 holes (rear mounted) on a Ø38.1 PCD

Aluminium housing and PTFE front face.

Frequency

Antenna Factor

3dB Beamwidth

Connector Type

Power Handling

VSWR

Gain

2 to 40 GHz

K-Type Female

2W CW

< 2.0 :1 (Typically)

-7.7 to 4.7 dBi

Typical Antenna Gain / Axial Ratio

This is calculated by reference to standard gain horn antennas, and cross checked with reference to the

antenna beamwidth, with an estimated error of +/- 0.8dB.

Construction

40.5 to 58.9 dB/m

57 to 132 degrees

110 to 224 degrees

140g nominal

51mm Diameter, 44.3mm Length.

-6.0

-5.0

-4.0

-3.0

-2.0

-1.0

0.0

0 5 10 15 20 25 30 35 40

Ax

ial

Rati

o (

dB

)

Frequency (GHz)

-10.0

-8.0

-6.0

-4.0

-2.0

0.0

2.0

4.0

6.0

0 5 10 15 20 25 30 35 40

Ga

in (

dB

iC)

Frequency (GHz)

Typical Beamwidth

50

60

70

80

90

100

110

120

130

140

0 5 10 15 20 25 30 35 40

De

gre

es

Frequency (GHz)

Typical 3dB Beamwidth H plane

E plane

100

120

140

160

180

200

220

240

0 5 10 15 20 25 30 35 40

Deg

ree

s

Frequency (GHz)

Typical 10dB Beamwidth

H plane

E plane

Typical Radiation Patterns

3 GHz 10 GHz

18 GHz 26 GHz

30 GHz 40 GHz