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Top » Catalog » M2 ANTENNA SYSTEMS » UHF Yagi Base Antenna » 440-18 » M2 - 440-18, 70 cm (420-453 MHz) Ham Radio Yagi Antenna, 18 ele

This light weight antenna is a computer optimized broad band yagi antenna that features an excellent pattern and good gain across its band width. It can be mounted vertically or horizontally. You can stack this antenna.

Elements are 3/16 Inch 6060-T6 Aluminum rod and all hardware except u-bolts are stainless steel.

The heart of this antenna is the unique Driven element module: all connectors are O-ring sealed to the CNC machined block and all Internal connections are sealed in a space-age silicone gel (with nearly 4 times the dielectric strength of air) to enhance power handling. The Balun coax connectors are triple o-ring sealed.


Frequency Range: 420 to 453 MHz (70 cm)
* Gain: 16.64 dBi
Front to Back: 23 dB Typical
Beam width: E = 27 degrees, H = 32 degrees
Feed Type: Folded Dipole
Feed impedance: 50 ohms, unbalanced
Maximum VSWR: 1:2:1
Input Connector: N Type, Female
Power Handling: 1.5 kW
Boom length / Dia: 137 Inches / 1 to 3/4 Inches
Maximum Element Length: 14 Inches
Turning Radius: 69 ft
Stacking Distance: 51 Inches High & 52 Inches Wide
Mast Size: 2 Inch
Wind Area / Survival: 0.68 sq. ft / 100 MPH
Antenna Weight 5 lbs.

* Subtract 2.14 from dBi for dBd

This product was added to our catalog on Monday 17 August, 2020.
RW ANTENNA STORE ~ 716-434-9216 ~ 6150 Crosby Rd. ~ Lockport, N.Y. 14094 ~ Email: