B4505CNS Chrome Base Coil Antenna - NMO Spring - 450-470 MHz UHF - No GP

Laird B4305CNS

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B4505CNS Chrome Base Coil Antenna - NMO Spring - 450-470 MHz UHF - No GP


Availability: 141 PCS IN STOCK

  • Buy 10 for $49.61 each and save 5%
  • Buy 25 for $45.96 each and save 12%
  • Buy 100 for $44.02 each and save 16%
  • Buy 250 for $41.95 each and save 20%
  • Buy 500 for $41.40 each and save 21%

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The Laird B4505CS is a chrome 32 inch UHF whip antenna with an NMO base and NO metal ground plane required.  This antenna replaces the Midland Micromobile MXTA11 antenna for GMRS, and does NOT require a metallic ground plane AND this antenna has a spring base for bumpy roads!

*This Antenna Requires a NMO Mount. Please click here to find all Thru-Hole NMO mounts or Magnetic NMO Mounts we carry.



The Laird B4505CNS is a 32 inch chrome base loaded mobile UHF whip antenna with NMO base and spring. This antenna does NOT require a metal ground plane. This omnidirectional antenna ofers 5 dbi gain and 100 watts max power and operates in the 450MHz - 470MHz range.

Lairds’ongoing commitment to refinement in mechanical and electrical design has resulted in the most technically advanced mobile load coil antennas on the market. Exclusive features such as stainless steel whips, housings constructed with ABS material injected molded around a solid brass insert, and gold plated push pin contacts make Laird Technologies the obvious choice for quality and long lasting value for demanding mobile radio communications.


  • Long tuning ferrule allows for greater freedom in frequency adjustment without trimming
  • High performance mobile antenna - requires ground plane
  • Straight Stainless steel corona ball stays on the rod – no metal interactions
  • Easy Installation / NMO mountable
  • 100% tested on a network analyzer


  • Public Safety
  • Transportations/Logistics
  • Utilties
  • Military
Additional Information

Additional Information

Mfg Part Number B4505CNS
Manufacturer Laird Technologies
Product Condition New
Antenna Style Whip
Antenna Category 400-490 MHz
Polarity Linear
Bands Single
Directional or Omni Omnidirectional
Frequency 1 450-470 MHz
Gain1 5
Impedance 50
Max Input Power (W) 200
VSWR: < X: 1 2
Horizontal/Azimuth Beamwidth 360
Vertical/Elevation Beamwidth 60
Height/Length (inches) 32.5
Height/Length (mm) 826
Thickness/Diameter (inches) 1.44
Thickness/Diameter (mm) 37
Material ABS
Mount Style Screw On
Mount Pattern 3/4 Inch NMO
Color Chrome
Connector Type Connector - Bottom
Cable Type 195 Type
Connector NMO
OK for Outdoor Use Yes
Vehicular Yes
Ground Plane Required No