XStream"燨EM燫F燤odule?燩roduct燤anual爒5.x00燵2006.02.24]?/DIV>
Antennas
[Refer to Appendix A for a list of FCC-Approved Antennas]
Fa
s link range:
e (interference)
ctors that determine wireles
"   Ambient RF nois
"   Line-of-sight obstructions
"   Transmit power
"   Receive sensitivity
"   Antenna configuration
XStream Antenna Connector Options
To comply with the FCC rules and obtain a modular certification, it is required that XStream
to ensure the modules are used only with
. The XStream Modules have two connector options:
"   RPSMA
"   MMCX
ternatively, the XStream Module can be order with an attached wire antenna.
PSMA
Modules utilize a non standard connector. This is
approved antennas
Al
R
The
re
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56?/DIV>
Reverse Polarity SMA (RPSMA) connector uses the same body as a
gular SMA connector. In order to be a non standard connector, the
as a male center conductor.
MCX
gender of the center conductor is changed. The female RPSMA actually
h
M
The Micro-Miniature Connector (MMCX) is a good solution for
high volume, price-sensitive applications. The small size and
snap on connection make it suitable for attaching an external
An
mounted antenna to a module inside an enclosure.
tenna Cables
RF cables are typically used to connect a radio installed in a cabinet to an antenna mounte
externally. As a general rule, it is best to keep the RF cable as short as possible. All
d
cables
loss per 100 ft. MaxStream provides LMR-
95 rated cables. Common cables and dB losses are included in this table:
able燘04. Potential燬ignal燬trength燣oss燿ue爐o燗ntenna燙able燣ength?/DIV>
promote signal loss which is usually measured in dB
1
T
Cable
Loss at 900 MHz per 100
Loss at 2.4 GHz per 100
Diameter
Type
(loss per 100m)
(loss per 100m)
RG-58
14.5 dB (47.4 dB)
25.3 dB (83.2 dB)
0.20 (4.95 mm)
RG-174
25.9 dB (85.0 dB)
44.4 dB (145.8 dB)
0.10 (2.54 mm)
RG-316
24.7 dB (81.0 dB)
42.4 dB (139.0 dB)
0.10 (2.59 mm)
LMR-195
11.1 dB (36.5 dB)
19.0 dB (62.4 dB)
0.20 (4.95 mm)
LMR-240
7.6 dB (24.8 dB)
12.9 dB (42.4 dB)
0.24 (6.10 mm)
LMR-600
2.5 dB (8.2 dB)
4.4 dB (14.5 dB)
0.59 (15.0 mm)
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