WISCO International (Maxrad

The MBS VHF/UHF Series base station antennas feature 6061-T6 seamless aluminum construction and a no ground plane design for simplified mounting.

Features:

Base matched 1/2 wave vertical antenna requiring no ground plane or radials for effective operation
Easily adjusted to exact operating frequency
All stainless steel hardware
6061-T6 seamless aluminum
Years of trouble free service

General Specifications - MBS 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 Specifications MBS VHF/UHF Series
MBS-150(N)	144-174 MHz	Antennas are field tunable within the specified frequency range.	Unity	6 MHz	70°
MBS-250(N)	200-250 MHz		Unity	10 MHz	80°
MBS-406(N)	406-430 MHz		Unity	20 MHz	52°
MBS-430(N)	430-450 MHz		Unity	20 MHz	52°
MBS-440(N)	440-460 MHz		Unity	20 MHz	52°
MBS-450(N)	450-470 MHz		Unity	20 MHz	52°
MBS-470(N)	470-490 MHz		Unity	20 MHz	52°
Suffix N indicates "N" connector

Model	Equivalent Flat Plate Area	Lateral Thrust @ Rated Wind	Bending Moment @ Rated Wind	Height	Weight
Mechanical Specifications MBS VHF/UHF Series
MBS-150(N)	.17 sq ft	6.7 lbs	12 ft-lbs	43"	1.1 lbs
MBS-250(N)	.13 sq ft	4.5 lbs	6 ft-lbs	39"	0.9 lbs
MBS-406(N)	.05 sq ft	2.0 lbs	1.2 ft-lbs	15"	0.4 lbs
MBS-430(N)	.05 sq ft	2.0 lbs	1.2 ft-lbs	15"	0.4 lbs
MBS-440(N)	.05 sq ft	2.0 lbs	1.2 ft-lbs	15"	0.4 lbs
MBS-450(N)	.05 sq ft	2.0 lbs	1.2 ft-lbs	15"	0.4 lbs
MBS-470(N)	.05 sq ft	2.0 lbs	1.2 ft-lbs	15"	0.4 lbs
Suffix N indicates "N" connector