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AirLink MP70 Hardware User Guide
Table 2-1: Frequency / Wavelength Range and Recommended Antenna Separation for the
AirLink MP70
Service
Wavelength Range for MP70
LTE
Longest
LTE
Shortest
Rev 4 Nov.16
Recommended Antenna Separation
The recommended antenna separation is related to the band frequency/
wavelength. To accommodate the shortest frequency/longest wavelength band
supported by the MP70, Sierra Wireless recommends a minimum antenna
separation of 214 mm for best results, and if necessary, a separation of 107 mm
for acceptable results.
Frequency
(MHz)
λ
700
λ
2600
Step 4—Connect the Data Cables
The MP70 has three ports for connecting data cables:
•
USB
(Micro-AB)
•
Ethernet
(RJ-45) —Use a Cat 5e or Cat 6 Ethernet cable
•
Serial Port
(9-pin RS-232)
Step 5—Connect the Power
The router's power supply cable must be connected to the vehicle's fuse box, and
installed along the vehicle wall, always inside the vehicle cabin and must not
cross the vehicle's firewall protection. Always follow the vehicle manufacturer's
recommendations for electrical accessories connections. All components used in
the electrical connection to the vehicle should be UL Listed.
The AirLink MP70 comes with a 3 meter (10 ft.) DC power cable. You can also
purchase an optional AC adapter.
Note: Electrical installations are potentially dangerous and should be performed by
personnel thoroughly trained in safe electrical wiring procedures.
The MP70 supports an operating voltage of 7 V–36 V, but since low voltage
standby mode is enabled by default, you must supply more than 9 volts at startup.
If you want to operate the router at a lower voltage, you can change the low
voltage standby settings once the router is up and running. For more information,
refer to the ALEOS Software Configuration User Guide (Services chapter).
14
Wavelength
Best Antenna
λ)
(
(mm)
Separation (mm) (1/2
428
214
115
58
Good Antenna
λ)
λ)
Separation (mm) (1/4
107
29
4119008
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