Spin Doctor for indoor or outdoor use The HELICAL antenna is a passive circular polarized directional wide-band UHF antenna which can be used as a transmitting or receiving antenna for wireless microphones and in-ear monitoring systems. It operates in a frequency range from 470 to 740 MHz and provides an antenna gain of 9dB.

This circular polarized HELICAL antenna is specially designed for tour sound,sports and broadcast applications where long range FOH positions of many hundreds of feet often require a high gain. With the included universal threat adapter it can be mounted on floor stands with both 3/8" or 5/8" screws.

The HELICAL antenna comes with a durable,water resistant nylon cover which also helps to compress the antenna to easily fit inside a rack drawer.

Circular polarized antenna design
for high directionality and strong signal reception

Works as transmitting and receiving antenna
for wireless microphones and in-ear monitoring

9dB antenna gain
for long distance applications

Operates in a wide frequency range
470 to 740 MHz for universal use worldwide

Foldable from 12" extended to 3" compressed
to easily fit inside a rack drawer

Technical Specification

General

Switching bandwidth (from/to)	470 to 740 MHz
Antenna Gain	9 dBi
Covering Angle	63 Grad

Antenna Output

Amount	1
Type	N
Gender	Female
Recommended Load Impedance	50 Ohms

Design

Body	nylon
Finish	black

Dimensions / Weight

Length	305 mm
Height	355 mm
Width	355 mm
Net Weight	1200 g

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