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Y3347D & Y3347 Series, Y3387 Series

Y3347D Series (7-Element 10.4 dBd UHF Yagi)

7-Element 10.4 dBd UHF Yagi Antenna Series

The Y3347D Series delivers 10.4 dBd gain and a 55° horizontal beam across five tuned 406–512 MHz UHF models.

  • Provides the highest gain in the Y334x group at 10.4 dBd.
  • Improves rear rejection to 20 dB for selective fixed paths.
  • Divides 406–512 MHz into five tuned model ranges.
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Customization: Cable type, cable length, and connectors can be configured for specific installation requirements.

Product Description

The Y3347D Series is the higher-gain member of the 406–512 MHz family. Seven elements produce 10.4 dBd gain and a 55° horizontal beam for fixed links requiring more pattern concentration.

Selective coverage: The 20 dB front-to-back ratio and seven-element layout provide stronger directional control than the smaller Y3343 and Y3345 options.

Frequency choice: Five suffixes retain tuned performance across the full family range.

Ideal applications:

  • UHF base and repeater sites
  • Fixed directional LMR links

Example Model Configurations: Y3347D-A, Y3347D-B, Y3347D-C, Y3347D-D, Y3347D-E

Key Specifications

Feature Specification
Frequency

RF: 406-430 ; 430-450 ; 450-470 ; 470-490 ; 490-512 MHz
Gain

RF: 10.4 dBd
Polarization

RF: Vertical in the normal installation orientation
Connector

RF connector: Direct N jack (female; Type D termination)
Mounting Mast mount with stainless mounting hardware
Dimensions 43 in length
Material

Body / boom: 1 in aluminum U-channel boom

Elements: 3/8 in solid aluminum elements

Radome / housing: Elastomeric-thermoplastic-filled and sealed balun assembly
Maximum Input Power

RF: 300 W
Wind Rating 125 mph (201 km/h)
Environmental Rating / Qualifications

Construction: Weatherproof outdoor construction

Models & Configurations

Model / Configuration Configuration Details
Y3347D-A 406-430 MHz; 10dBd gain
Y3347D-B 430-450 MHz; 10dBd gain
Y3347D-C 450-470 MHz; 10dBd gain
Y3347D-D 470-490 MHz; 10dBd gain
Y3347D-E 490-512 MHz; 10dBd gain

Tech Documents & Resources

Y3347mm

File size: 237.47 KB
Created: 10-06-2020
Updated: 10-06-2020
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