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Technically superior by design
Model 4265BB





Bolt Hole Pattern



For other technical information, please email Tech Support
Shakespeare Model 4265BB

100-512 MHz


Shakespeare’s VHF /UHF broadband antennas can be best described electronically as center–fed, coaxial sleeve dipoles, which are sealed into fiberglass radomes to provide long-lasting protection from the elements. The internal elements are brass tubing for maximum conductivity and dependability.

Each antenna has a broadband choking circuit to allow the antenna to operate independent of a ground plane. This innovative feature permits the antennas to operate on vehicles, shelters, buildings, mast and shipboard. The built-in passive broadband matching network is engineered to provide instantaneous bandwidth across the full frequency spectrum, and is centered around a 50 ohm impedance.

Between the fiberglass radome and the mounting plate is a stainless steel spring, which allows flexing under impact. All metal parts are black oxide coated to resist salt water environment. A grounding strap and ½” stainless steel screws and hardware are supplied.

  • Instantaneous bandwidth across the full frequency spectrum
  • Grounding strap and stainless steel hardware supplied
  • 100-512 MHz
  • Stainless steel spring built into base
  • Oxide coated metal parts resist salt water environment
List Price: $599.00  
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4265BB Specifications
Band: 100-512 MHz
Frequency: 100 MHz to 512 MHz
RF Connector: Type N
Color & Finish: 383 Military Green
Max. Input Power: 75 W
VSWR: Better than 2.8:1
Gain: 3 dBi
Mounting: 4 Bolt holes
Operating Temp.: -45º C. to +60º C.
Polarization: Vertical
Radiation: Omnidirectional
Patent Protected: U.S. #4958164, #6429821, and others pending, Governed by ITARS 123.9-123.10
Input Impedance: Centered around 50 Ohms
Ground Plane: Required
Conductors: Brass tubing
Flange: Stainless steel with built in spring
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Pages modified 9/10/2010.