RFI VHF 3dB Ground-Independent Mopole Antenna 148-174 MHz; Stud Mount Without Cable

RFI VHF 3dB Ground-Independent Mopole Antenna 148-174 MHz; Stud Mount Without Cable

These are ground-independent Mopole antennas ideal in “alternative” mounting positions such as gutter, mirror or trunk mounts.

$37.41

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Description

Features:
• Performance – Exhibits 3 dB improvement in performance over a 1/4 wave whip
• Versatile – Ground independent design allows use in alternative mounting locations
• Rugged – The transformer circuit is housed within a high impact thermoplastic molding which is virtually indestructible
• Unique termination method simplifies installation and re-cabling in the field
• Designed, manufactured and patented in Australia [Australian Patent # 596830 and 656793]

(1) Mopole antennas such as the CD28 have been shown to exhibit a 3dB improvement in received signal level in the field when compared to a ¼ wave whip however in pattern tests exhibit only 1.5 to 2dB over a ¼ wave (equivalent to 1.5-2dBi). This improvement in performance can be attributed to a lower radiation angle level of these ground-independent antennas.
(2) Available pre-terminated with 5m 8058 RG58C/U. Use -73 or -53 suffix to replace -70 or -50 suffix

 

Specifications:

Nominal Gain dBq 3
Packaging Plastic Bag
Whip Material 17-7 PH tapered stainless steel whip with moulded base coil assembly
Whip Length mm 1340
Cable And Connector Not included
Tuning Field tune to minimum VSWR using supplied chart
Frequency 148-175 MHz
Nominal impedance 50
Power w 50
Polarisation Vertical
VSWR 5 MHz @ 1.5:1 VSWR 10 MHz @ 2.0:1 VSWR
Tuned bandwidth 5 MHz @ 1.5:1 VSWR 10 MHz @ 2.0:1 VSWR
Frequency MHz 148 – 175
Brand RFI

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