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[GH-ISSUE #5] Confirmed: Works on RM521F-GL #4

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opened 2026-02-27 14:46:42 +03:00 by kerem · 0 comments
kerem commented 2026-02-27 14:46:42 +03:00
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Originally created by @pipe2null on GitHub (Jan 8, 2024).
Original GitHub issue: https://github.com/natecarlson/quectel-rgmii-at-command-client/issues/5

Love AT status/config via telnet. I now have the modem in the attic close to the roof mounted antennas with access to telnet config restricted via firewall. Awesome, Thanks!

FYI RE RM520 vs RM521: In my area, there are exactly 3x 5G channels available from my tower. The RM520 will only aggregate 2, but RM521 will aggregate 3 (ie N25+N41+N71 instead of only 2).

I am now getting between 20%-50% increase in measured bandwidth (speedtests.net) compared to RM520, depending on varying signal quality across each aggregated channel. If you have 3x or more 5G channels in your area, upgrading to RM521 possibly may be well worth it. YMMV

Now I need to get monitoring and auto-restart via "AT+CFUN=1,1" integrated into pfSense, my learning curve continues... ;)

Originally created by @pipe2null on GitHub (Jan 8, 2024). Original GitHub issue: https://github.com/natecarlson/quectel-rgmii-at-command-client/issues/5 Love AT status/config via telnet. I now have the modem in the attic close to the roof mounted antennas with access to telnet config restricted via firewall. Awesome, Thanks! FYI RE RM520 vs RM521: In my area, there are exactly 3x 5G channels available from my tower. The RM520 will only aggregate 2, but RM521 will aggregate 3 (ie N25+N41+N71 instead of only 2). I am now getting between 20%-50% increase in measured bandwidth (speedtests.net) compared to RM520, depending on varying signal quality across each aggregated channel. If you have 3x or more 5G channels in your area, upgrading to RM521 possibly may be well worth it. YMMV Now I need to get monitoring and auto-restart via "AT+CFUN=1,1" integrated into pfSense, my learning curve continues... ;)
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