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Help: Band b41 no internet WG3526P/EM7411

Posted: Mon Mar 08, 2021 5:26 pm
by Dre40
Anyone else using this band (tmobile)? Antenna/router used to always connect to b66 with CA from b71 or b12 with about the same RSRP/RSSI but higher RSRQ as b41. Today it was b41 has zero internet, resetting it won't switch (at first I thought it was just slower but my load balance was just failing over to my mofi WAN).

Tried everything on this list to fix (some mult times): https://wirelessjoint.com/viewtopic.php?f=21&t=14

Anyone know the AT-Command to remove band b41 (can't locate the big thread with these commands). WG3526-P with a Sierra Wireless CAT7 EM7411

B41
Current Time: 7866 Temperature: 29
Reset Counter: 2 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B41 LTE bw: 20 MHz
LTE Rx chan: 40270 LTE Tx chan: 40270
LTE SCC1 state:NOT ASSIGNED
LTE SCC2 state:NOT ASSIGNED
LTE SCC3 state:NOT ASSIGNED
LTE SCC4 state:NOT ASSIGNED

PCC RxM RSSI: -75 PCC RxM RSRP: -101
PCC RxD RSSI: -90 PCC RxD RSRP: -119
Tx Power: -- TAC: 2c28 (11304)
RSRQ (dB): -6.9
SINR (dB): 9.6

B66 from other day (before this random change to b41)
LTE band: B66 LTE bw: 20 MHz
LTE Rx chan: 0 LTE Tx chan: 132322
LTE SCC1 state:ACTIVE LTE SCC1 band: B12
LTE SCC1 bw : 5 MHz LTE SCC1 chan: 5035
LTE SCC2 state:NOT ASSIGNED
LTE SCC3 state:NOT ASSIGNED
LTE SCC4 state:NOT ASSIGNED

PCC RxM RSSI: -63 PCC RxM RSRP: -105
PCC RxD RSSI: -68 PCC RxD RSRP: -110
SCC1 RxM RSSI: -60 SCC1 RxM RSRP: -91
SCC1 RxD RSSI: -66 SCC1 RxD RSRP: -97
Tx Power: 19 TAC: 2c28 (11304)
RSRQ (dB): -16.6
SINR (dB): -2.6

Re: Help: Band b41 no internet WG3526P/EM7411

Posted: Tue Mar 09, 2021 10:29 am
by Dre40
Replying to myself. Found this The list of AT commands: http://wirelessjoint.com/viewtopic.php?f=16&t=364&start=10 https://wirelessjoint.com/viewtopic.php?f=16&t=364

Worked great. THANK YOU @JimHelms for posting this SUPER nice spreadsheet. No more band b41 and much faster speeds, locked it to B66,B71,B12,B4. Thank you.,

New question: Is there a way to lock/force modem to do more then one SCC state (Carrier AG), or is that a tower/Carrier thing? I'm getting CA but only 1 extra band.

at!gstatus?
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B66 LTE bw: 20 MHz
LTE Rx chan: 0 LTE Tx chan: 132322
LTE SCC1 state:ACTIVE LTE SCC1 band: B71
LTE SCC1 bw : 5 MHz LTE SCC1 chan: 0
LTE SCC2 state:NOT ASSIGNED
LTE SCC3 state:NOT ASSIGNED

LTE SCC4 state:NOT ASSIGNED

PCC RxM RSSI: -52 PCC RxM RSRP: -95
PCC RxD RSSI: -57 PCC RxD RSRP: -109
SCC1 RxM RSSI: -51 SCC1 RxM RSRP: -84
SCC1 RxD RSSI: -57 SCC1 RxD RSRP: -90
Tx Power: 20 TAC: 2c28 (11304)
RSRQ (dB): -18.3
SINR (dB): 2.0

Re: Help: Band b41 no internet WG3526P/EM7411

Posted: Thu Mar 11, 2021 12:10 pm
by toddw
I recall it maxes out at 2CA on the DL, but being a CAT7 modem, can do 2CA on the upload which gives it an edge.