WISCO International (Decibel Products / Fiberglass

DB538 is a UHF antenna with patented Center-Fed-Collinear� (CFC") design. Radiators are enclosed in a Horizon Blue™ radome made of strong, lightweight Aeroglas� fiberglass, a Decibel exclusive for antennas. Aeroglas is also used for helicopter blades, Olympic vaulters' poles and racing sailboat masts.

Sturdy Construction - in addition to an Aeroglas radome, the antenna has a weather- resistant, gold iridited support pipe made of 6061-T6 aluminum alloys.

Engineered to Last - All metals used in radiator, feed and matching systems are copper or brass, which minimizes galvanic reaction and reduces intermodulation.

Lightning Resistant - A DC ground is provided.

Moisture Resistant - The bottom cap has a moisture-sealed bulkhead N-Female connector, and a drain plug at the top and bottom provides for drainage in upright or inverted positions.

Ready to Install - DB366 Mounting Kit and Vapor-Wrap� are provided for easy installation.

Ordering Information - Use model number for correct frequency. Clamps are included.
Example: DB538-J for 460-470 MHz frequency range. Order jumper cable separately, if desired.

Electrical Data
Frequency Range - MHz	E=406-413, F=412-420, G=450-460, H=455-465, J=460-470, K=470-475, L=480-490
Bandwidth - Mhz Gain - dB	See above 7.5
Beamwidth "E" Plane (half power) Beamwidth "H" Plane (half power)	10� Omni
Maximum power input - watts VSWR Lightning protection	400 1.5 to 1 or better Direct ground
Termination	N-Female (fixed)

Mechanical Data
Lateral thrust at 100 mph (161 km/hr)-lbf(N)	50 (222.4)
Overall length - ft. (m) Radome length - ft. (m) Mounting pipe length - in. (mm)	14.56 (4.44) 12.34 (3.76) 26 (660.4)
Maximum exposed area (flat plate equivalent) - ft� (m)	1.25 (.12)
Radome Radiators Support pipe	Aeroglas� Fiberglass Brass 6061-T6 Aluminum
Net weight - lbs. (kg) Shipping weight (w/clamp) - lbs.(kg)*	15 (6.80) 39 (17.69)
Clamps (galvanized steel)	DB366