VHF Marine Band Communications Antenna

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The 21-20-26 is a lightweight marine band communications antenna having an overall height of only 254mm (10 inches). The glass loaded thermoplastic blade is constructed as a one-piece pressure moulding, with all RF matching elements incorporated on an internal, encapsulated printed circuit board. DC grounding gives this antenna maximum protection against p-static, and the high strength/weight ratio of the blade makes it suitable for aircraft operating up to Mach 1.

Low silhouette, low height
Lightweight aerodynamic blade
Covers full marine band without tuning
Loss less matching circuitry
Designed to MIL-STD-810 environmental conditions
Footprint replacement for AT256

	21-20-26
Model #	21-20-26
Brand	Cooper Antennas

Frequency	150 - 174 MHZ
Gain (typical)	+1 dBi average
VSWR	2.5:1 (max)
Impedance (nominal)	50 Ohms
Power Handling	25 Watts typical
Radiation	Nominally omni-directional in azimuth
Antenna RF Connector	TNC Female