Is it necessary to use both SMA RF antennas on AirLink Gateways?

Jan 19, 2016 - Author: Sierra Wireless - 441 Views

The additional antenna port on the GX400, GX/ES440, GX/ES450, LS300, and RV50 (EVDO and HSPA+) are for Rx Diversity.

 

Rx Diversity is designed to improve the quality of the downlink signal by enabling the device to “choose” the best available signal. Note that although Rx Diversity has been shown to improve signal quality, many customers decide to forego the expense of the second antenna and rely on one Rx signal.

 

Rx Diversity is set to “ON” by default in ALEOS, but if you decide to not use a second antenna, it’s vital to change the ALEOS setting for Rx Diversity to “OFF”. This setting can be found under the “WAN/Cellular” tab in ACEmanager 4.0.

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