AD-21/6688: wideband portable/mobile VHF monopole antenna, 66 - 88 MHz

The antenna AD-21/6688 is a wideband low-profile monopole mobile antenna covering frequency range from 66 to 88 MHz and is intended for use with portable and mobile radios. The antenna radiator is composed of two parts: the whip made of special strong and flexible stainless steel whip with spring at the bottom and the matching transformer unit above the N male coaxial connector. The radiator is painted with special UV protective polyurethane black paint while the housing of the antenna matching unit is made of durable ertacetal material. The antenna radiator could be used as a separate antenna attached to the portable radio device or it can be used with the magnet base ADM-21/N or fixed base ADN-21/N, both with the integrated coaxial cable length of 4 meters and ended with the FME female connector. Various adapters from FME to N, BNC, UHF, SMA, etc. are available on request.


wideband monopole antenna for portable radio devices with N male connector
antenna AD-21/6688-N with the fixed mount ADN-21/N for mobile applications
antenna AD-21/6688-N with the magnet mount ADM-21/N for mobile applications

Technical specification

Frequency range 66 - 88 MHz
Impedance 50 ohm
VSWR < 2.5 (see digram)
Max. power 50 W CW
Gain see diagram
Height 120 gr
Weight 200 gr
Magnet base weight 850 gr
Fixed base weight 200 gr
Cable lenght 4 m
Connector FME female


Contact us


TRIVAL ANTENE d.o.o., Gorenjska cesta 25, 1234 Menges, SLOVENIA, EU
TEL: +386-1-8314-396, FAX: +386-1-8313-377, EMAIL:

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