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EXD420SM 3.4 Inch Tuf Duck 1/4 Wave 2 Way Radio Antenna 420-450 MHz UHF - SMA-Male

EXD420SM 3.4 Inch Tuf Duck 1/4 Wave 2 Way Radio Antenna 420-450 MHz UHF - SMA-Male

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The Laird / Antenex EXD420SM is a Tuf Duck style 1/4 wave antenna measuring just 3.4 inches long - 420–450 MHz UHF - SMA male connector.

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The Laird / Antenex Tuf Duck "stubbie" EXD420SM in-building wireless antenna is perfect for environments where aesthetics and wide angle coverage are needed for successful wireless deployment. These antennas surprisingly small size allow them to be hidden almost anywhere, providing an invisible solution for most applications.

These external high-gain antennas are weather resistant and waterproof, are an excellent choice for outdoor and indoor installations, and can be easily mounted on the outside of a housing. Our antennas products are designed for maximum efficiency and are customizable and scalable to meet your frequency and application requirements. 


  • Injection molded ¼ wave helical antenna
  • High durability, high efficiency
  • Textured finish with strain-relief base
  • Available in various standard connectors


  • Two way radio
  • Walkie Talkies



Manufacturer Part Number EXD420SM
Manufacturer Laird
Product Condition New
Antenna Style Tuf Duck
Antenna Style Tuf Duck
Antenna Category M2M 400-490 MHz
Polarity Vertical
Bands Single
Directional or Omni Omnidirectional
Frequency 1 420-450 MHz
Impedance 50 ohms
VSWR: < X: 1 1.5:1
Height/Length (inches) 3.3 to 3.59
Color Black
Connector 1 SMA-Male
OK for Outdoor Use No
Vehicular No
Ground Plane Required No