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Page last updated on Wednesday October 07, 2009

RA-21 VHF Antenna

Name/
Description
Standard Frequency Bands* Antenna
Length
Antenna Gain Connections on Antenna Handheld Fixed Site Land
Vehicles
Boats &
Ships
Aircraft
vertical collinear Omnidirectional ground plane independent 148-152 MHz
150-154 MHz
159-162 MHz
164-168 MHz
168-172 MHz
170-174 MHz
4 ft 0 dBd Integral 20 ft.
cable with
BNC male connector
       

The RA-21 is a 4 ft tall omnidiredtional ground plane independent one half wave antenna designed for on board ship use. The external surface is high gloss polyurethane over fiberglass and designed for long term installation on board boats and ships. The antenna has a stainless steel ferrule with standard 1inch -14 thread. Two mounting options exist. Both options are available separately. The first option is deck mount Telonics PN HD-007571-001and the second is a rail mount Telonics PN HD-007948-001. The design is ground plane independent so the antenna can be used on boats constructed of fiberglass or other nonconductive materials.

Specifications

Gain 0 dBd
Ground plane requirement None
Connector BNC male
Antenna length 4 ft
Cable included Yes, 20 ft

Service Commitment

Since 1970, Telonics has built a reputation based on product quality, product support, service, and customer satisfaction. Telonics strives to produce the highest quality products, and to support those products accordingly.

Because of extreme conditions and the unpredictable nature associated with most telemetry applications, problems occasionally arise. Most problems can be resolved quickly. In all cases, we hope to be able to work in partnership with users to resolve problems to the user's satisfaction and to uphold our demonstrated commitment to excellence. If problems should arise, all products must be returned to our factory for failure analysis.

Warranty: VHF Receiving Antennas Show