Step 2-Connect The Antennas - Sierra Wireless AirLink RV50 Series Hardware User's Manual

AirLink RV50 Series Hardware User Guide
Step 2—Connect the Antennas
The RV50 Series gateway has three SMA female antenna connectors:
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•
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For regulatory requirements concerning antennas, see
page 62.
Note: The antenna should not exceed the maximum gain specified in
more complex installations (such as those requiring long lengths of cable and/or multiple connec-
tions), you must follow the maximum dBi gain guidelines specified by the radio communications
regulations of the Federal Communications Commission (FCC), Industry Canada, or your country's
regulatory body.
To install the antennas:
Note: Take extra care when attaching the antennas to the SMA connectors. Finger tight (approxi-
mately 0.6–0.8 Nm/5–7 in-lb.) is sufficient and the max torque should not go beyond 1.1 Nm
(10 in-lb.).
1. Connect the cellular antenna to the SMA cellular antenna connector.
2. Connect a second antenna to the SMA Diversity antenna connector.
3. If used, connect a GPS antenna to the SMA GPS antenna connector.
Note: If the antenna is located away from the gateway, keep the cables as short as possible to
prevent the loss of antenna gain. Route the cables so that they are protected from damage and will
not be snagged or pulled on. There should be no binding or sharp corners in the cable routing.
Excess cabling should be bundled and tied off. Make sure the cables are secured so their weight will
not loosen the connector from the gateway over time.
Rev. 6 October 2021
Cellular Main antenna connector
Cellular Diversity antenna connector: Required for 4G/LTE networks
GPS antenna connector
Mount the cellular antenna so there is at least 20 cm between the antenna and the
user or bystander.
For 3G networks, the second antenna operates as a diversity antenna, providing a
second receive path.
For 4G networks, the second antenna operates as a MIMO antenna, providing a sec-
ond receive path and a second transmit path.
Mount the GPS antenna where it has a good view of the sky (at least 90º).
Note: ALEOS 4.7.0 and later is configured by default for an active GPS / GNSS antenna. If you
are using a passive antenna, after the gateway is installed, launch ACEmanager, go to Location
> Advanced and set the GNSS Antenna Bias field to Disable.
Maximum Antenna Gain
22
on
RF Exposure on page 61. In
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