Search found 5 matches

by modest
Fri Feb 12, 2021 5:20 pm
Forum: Misc Modem Cards and Dongles
Topic: Slowness after idle - Disabling modem sleep?
Replies: 2
Views: 1989

Re: Slowness after idle - Disabling modem sleep?

Right on. The ping trick does work; I was just hoping that there might be a quieter way.

I feel less bad about generating traffic for CloudFlare (1.1.1.1) than I do about polluting the radio spectrum with unnecessary beacons. But I suppose that lake is big enough to shamelessly pee in.
by modest
Mon Jan 04, 2021 5:07 pm
Forum: Misc Modem Cards and Dongles
Topic: New prepaid SIM card - letter H
Replies: 2
Views: 1538

Re: New prepaid SIM card - letter H

Not activated. Sometimes H refers to HSPA (a 3G technology), but if it's showing as the network name, that's different.
by modest
Sun Jan 03, 2021 12:21 pm
Forum: Misc Modem Cards and Dongles
Topic: Slowness after idle - Disabling modem sleep?
Replies: 2
Views: 1989

Slowness after idle - Disabling modem sleep?

Hey folks, There's an interesting phenomenon that I've noticed with all of my LTE modems: If the modem stays completely idle for more than a minute or two, the next usage will be much slower (ping > 200 ms) . That slowness is temporary and goes away 1-2 seconds after the next traffic. I've been ...
by modest
Mon Oct 26, 2020 9:34 am
Forum: Misc Modem Cards and Dongles
Topic: Quectel RM500Q-GL preliminary VS RM500Q-GL
Replies: 2
Views: 2303

Re: Quectel RM500Q-GL preliminary VS RM500Q-GL

I've been trying to figure this one out, too. There should be 4 hardware models based on Quectel's timeline: ES (Engineering Sample) CS (Commercial Sample 1) CS2 (Commercial Sample 2) MP (Mass Production) The ES units are clearly labeled as Engineering Sample on the die. The other aren't. I have a ...
by modest
Sat Oct 24, 2020 2:36 am
Forum: General and Unclassified
Topic: Zbt wg1608 cheap 4g modem recommendations
Replies: 4
Views: 3317

Re: Zbt wg1608 cheap 4g modem recommendations

I'd go for the Sierra EM7565. It's a Cat 12 LTE modem (Qualcomm Snapdragon X12) with much broader LTE band support. Similar US carrier acceptance. Easy access to drivers, docs, firmware updates, etc. M.2 form factor. The RM500Q-GL is a risky bet since it's not even trying to get US certifications ...

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