™
ANT-868/916-PMB DATA SHEET
Product Dimensions
0.15”
(3.9)
0.42”
(10.7)
Description
PMB Series antennas combine a soft blade-type
element with a rugged package that is resistant to
damage and abuse. The antenna features a molded tab
that allows coding of the product’s enclosure to control
360-degree rotational travel. The PMB mounts to a PCB
via one or two screws and meets Part 15 requirements.
8-32 UNC
Thread
0.12”
(3.0)
0.15”
(3.7)
0.31”
(7.9)
Features
Low cost
Soft blade-type element
Rotates 360 degrees
Omni-directional pattern
Weather resistant
Flexible main shaft
Damage resistant
Screw-mount
0.17”
(4.3)
3.54”
(90.0)
0.51”
(13.0)
0.29”
(7.4)
Electrical Specifications
Center Freq.
Bandwidth
Wavelength
VSWR
Impedance
Connection
Covers 868MHz and 902 - 928MHz
200MHz
1/4-wave
<2 typ. at center
50 ohms
Screw-mount: 6-32 UNC Screw (included)
0.61”
(15.5)
Electrical specifications and plots measured on 4.00” x 4.00” reference ground plane
Ordering Information
0.93”
(23.5)
0.12”
(3.0)
ANT-868/916-PMB
VSWR Graph
S11 SWR
1:1.619
2:1.670
Polar Plot & Gain Information
Monopole antenna gain and radiation patterns are dependant on
the ground plane and layout of the end product. Since antenna
manufacturers do not measure on standardized ground
references, comparison of published specifications is an
unreliable indication of actual antenna performance in an end
product. Optimum full-wave ground planes are impractical for the
majority of products on which these antennas are used (the
ground plane for 916MHz would be 26.5" in diameter, 418MHz
would be 56.5" in diameter). For this reason, Antenna Factor tests
and tunes antennas on reduced-size, compromised ground
planes. To avoid mis-comparison or inappropriate application,
gain and polar plots do not appear on this data sheet, but are
available upon request for most products.
1
2
1 CENTER 868.000MHz
2 CENTER 916.000MHz
SPAN 248.000MHz
Typical VSWR
Antenna Factor
159 Ort Lane Merlin, OR 97532
www.antennafactor.com
541-956-0931 (phone) 541-471-6251 (fax)
Rev 12-15-09
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