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Corner Reflectors

Corner Reflector for 70cm. Covers 420 - 450 MHz.
Photos of 440 MHz Corner Reflector

Model CR 146

Corner Reflector

Corner Reflector Radiation Pattern

Corner Reflector Radiation Pattern

What is a Corner Beam?

In the logical progression of antennas, the ordinary dipole gave way to the Yagi-Uda which utilized directors and a reflector. The single reflector was turned into a screen for a greater back and side rejection. The screen was then formed into a right angle to improve the forward gain and front-to-back ratio which created the corner reflector. The Corner Reflector gives you the gain of a 10+ foot Yagi with almost double the front to back ratio and a much wider bandwidth.
Data Communication

The Corner Reflector is reported to give better performance for packet and high speed data links than long boom yagis even though the yagi had a higher S reading than the Corner Reflector. The Corner Reflector has less phase distortion causing less errors and fewer re-tries. Regardless of your application, you'll be hard pressed to find a better way to spend your antenna dollar.
CR 146 SPECIFICATIONS

Frequency: 143-149 MHz
Forward Gain: 10 dBd
Half-power Beamwidth: 60 degrees
Front to Back Ratio: 40 dB
SWR: 1.3:1
1.5:1 Bandwidth: > 5 MHz
Maximum Power: 150 Watts
Center Boom: 1" sq. x 35"
Reflector Booms: 1" sq. x 48"
Reflector Elements: 1/4" x 48" solid aluminum.
Number of Reflector Elements: 17
Reflector Element Spacing: 6"
Gamma Match: Inline, Direct feed - UHF connector.
CR 220 SPECIFICATIONS

Frequency: 219-225 MHz
Forward Gain: 10 dBd
Half-power Beamwidth: 60 degrees
Front to Back Ratio: 40 dB
SWR: 1.4:1
1.5:1 Bandwidth: > 8 MHz
Maximum Power: 150 Watts
Center Boom: 1" sq. x 25"
Reflector Booms: 1" sq. x 48"
Reflector Elements: 1/4" x 32" solid aluminum.
Number of Reflector Elements: 25
Reflector Element Spacing: 4"
Gamma Match: Inline, Direct feed - N connector.
CR 440 SPECIFICATIONS

Frequency: 420-450 MHz
Forward Gain: 10 dBd
Half-power Beamwidth: 60 degrees
Front to Back Ratio: 40 dB
SWR: 1.4:1
Maximum Power: 150 Watts
Center Boom: 1" sq. x 15"
Reflector Booms: 1" sq. x 16"
Reflector Elements: 1/4" x 16" solid aluminum.
Number of Reflector Elements: 25
Reflector Element Spacing: 2"
Gamma Match: Inline, Direct feed - N connector.
CR 146/440 SPECIFICATIONS

Frequency: 144-148 / 420-450 MHz.
Foward Gain: 10 dbd
Half-power Beamwidth: 60 degrees
Front to Back Ratio: 40 dB
SWR: 1.6:1
Maximum Power: 150 Watts
Center Boom: 1" sq. x 35"
Reflector Booms: 1" sq. x 48"
Reflector Elements: 1/4" x 16" / 48" solid aluminum.
Number of Reflector Elements: 33
Reflector Element Spacing: 2 & 6
Gamma Match: Inline, Direct feed - UHF & N connector.
The Dual-Band Corner Reflector consists of two separate corner reflectors sharing the same boom structure. This means you can have two high gain, highly directional antennas in the same space of one VHF corner reflector. You can use them both at the same time if you have separate radios or use them with a diplexer and a single run of coax with a dual band transceiver.
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$199. CR146 - Corner Reflector - (2 Meter)
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$199. CR220 - Corner Reflector - (220 Band)
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$179. CR440 - Corner Reflector (70 cm)

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$229. CR146/440 - Corner Reflector - (Dual Band)
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