Ensure 4G antenna compatibility
If your antenna is over 10 years old, it may not support 4G frequencies and should be replaced. Campbell Scientific offers the following compatible antennas:
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2 dBd 4G/3G Multiband Omnidirectional Antenna with Mounting Hardware
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4G/3G 9 dBi MIMO Cellular Antenna with 2 Type N Socket (Female) Connectors
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4G/3G Cellular Whip Antenna with SMA Connector
If you are also using a Diversity antenna or a MIMO (multiple-input multiple-output) antenna, the Diversity port is automatically enabled in the RV50(X) modem.
When MIMO functionality is available, it offers improved reliability, reduced signal reflections, and sometimes increased throughput.