Rev 1.9.1 Feb.09
Proprietary and Confidential
107
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
•
Measure
VSWR
in
free
space
at
the
antenna’s
coaxial
connector
(feeding
terminal)
when
the
antenna
is
installed
in
the
host
device
with
the
cable
routed
to
the
Mini
Card
slot.
•
Use
an
HP8753E
network
analyzer
(or
equivalent).
Table A-5: VSWR (Voltage Standing Wave Ratio)
Frequency
(MHz)
Typical VSWR
Worst-case
VSWR at band
edges
Notes
Main antenna
824–849
2.5:1
850-band Tx
869–880
3.5:1
850-band Rx excluding
part inside 900-band Tx
880–915
2.5:1
900-band Tx
925–960
3.5:1
900-band Rx
1710–1785
2.5:1
1800-band Tx
1805–1850
3.5:1
1800-band Rx excluding
part inside 1900-band Tx
1850–1910
2.5:1
1900-band Tx
1920–1980
2.5:1
2100-band Tx and part of
1900-band Rx
1980–1990
3.5:1
Part of 1900-band Rx
outside of 2100-band Tx
2110–2170
3.5:1
2100-band Rx
Diversity / GPS antenna
869–894
< 3:1
<3.5:1
Preferable to have input
VSWR < 2:1
1930–1990
< 3:1
<3.5:1
2110–2170
< 3:1
<3.5:1