WISCO International (Maxrad

The MBX VHF/UHF Series is the economical choice for omni-directional high gain applications. The 6061-T6 aluminum tubing and stainless steel hardware provides years of trouble-free service.

Features:

Base matched vertical collinear antenna with phasing stub coupling for efficient operation without redials
Adjustment to exact operation frequency with stainless steel full-lock clamps

General Specifications - MBX VHF/UHF

Radiator Material:
6061-T6 aluminum tubing
Termination:
SO-239 standard; "N" male connector optional
Lightning Protection:
DC grounded
Wind Survival:
90 mph
Maximum Mount Pipe Diameter:
VHF: 1 1/4"
UHF: 1"
Maximum Power:
250 watts
Mounting Hardware:
Built in clamp (included)
Nominal Impedance:
50 Ohms

Model	Frequency Range	Factory Tuned Frequency	Gain	Bandwidth @ 1.5:1 VSWR	Vertical Beamwidth @ 1/2 Power
Electrical Specification MBX VHF/UHF Series
MBX-150(N)	144-174 MHz	Antennas are field tunable within the specified frequency range.	3 dB	4 MHz	27 degrees
MBX-250(N)	200-250 MHz		3 dB	10 MHz	28 degrees
MBX-406(N)	406-430 MHz		3 dB	14 MHz	30 degrees
MBX-430(N)	430-450 MHz		3 dB	14 MHz	30 degrees
MBX-440(N)	440-460 MHz		3 dB	14 MHz	30 degrees
MBX-450(N)	450-470 MHz		3 dB	14 MHz	30 degrees
MBX-470(N)	470-490 MHz		3 dB	14 MHz	30 degrees
MBX-490(N)	490-512 MHz		3 dB	14 MHz	30 degrees

Model	Equivalent Flat Plate Area	Lateral Thrust @ Rated Wind	Bending Moment @ Rated Wind	Height @ Lowest Frequency	Weight
Mechanical Specifications MBX VHF/UHF Series
MBX-150(N)	.32 sq ft	12.4 lbs	56.7 ft-lbs	110"	1.7 lbs
MBX-250(N)	.20 sq ft	7.2 lbs	20.1 ft-lbs	87"	1.4 lbs
MBX-406(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs
MBX-430(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs
MBX-440(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs
MBX-450(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs
MBX-470(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs
MBX-490(N)	.09 sq ft	3.2 lbs	4 ft-lbs	30"	0.6 lbs