Have ran through the troubleshooting and all seems good. SIM is reading and certain pigtails are connected firmly / correctly. AT&t SIM is good, just pulled it out of working 781S hotspot before this setup. Modem is connecting too.
Here is little debugging info:
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OK AT!PCTEMP? Temp state: Normal Temperature: 28 degC OK Mon Oct 28 14:06:12 2019 : /dev/ttyUSB2 AT+CPMS="SM" +CPMS: 1,30,1,30,1,30 OK Mon Oct 28 14:06:21 2019 : /dev/ttyUSB2 AT+CSQ;+CESQ +CSQ: 21,99 +CESQ: 99,99,255,255,18,39 OK AT*CNTI=0 *CNTI: 0,LTE OK AT!SELRAT? !SELRAT: 07, GSM, UMTS, LTE OK AT+ECIO? Only valid in WCDMA mode OK AT+RSCP? Only valid in WCDMA mode OK AT!UMTSCHAN? !UMTSCHAN: NOT IMPLEMENTED OK AT!GSTATUS? !GSTATUS: Current Time: 211 Temperature: 28 Bootup Time: 0 Mode: ONLINE System mode: LTE PS state: Attached LTE band: B4 LTE bw: 10 MHz LTE Rx chan: 2000 LTE Tx chan: 20000 EMM state: Registered Normal Service RRC state: RRC Idle IMS reg state: No Srv RSSI (dBm): -72 Tx Power: 0 RSRP (dBm): -100 TAC: 6A2C (27180) RSRQ (dB): -11 Cell ID: 07FC9617 (133994007) SINR (dB): 18.0 OK AT!PCTEMP? Temp state: Normal Temperature: 28 degC OK
Network status (AT&T) seems ok:
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Signal Information Network : LTE CSQ : 22 Signal Strength : 70% RSSI : -70 dBm ECIO : - RSCP : -100 (RSRP) dBm Connection Monitoring Status : Disabled Cell Information MCC MNC : 310 410 RNC/eNB ID : 7FC96 (523414) LAC/TAC : 6A2C (27180) Cell ID : 17 (23) LTE Band : B4 (Bandwidth 10 MHz) Channel : 2000 Maximum Qos :
I did see this tread viewtopic.php?f=21&t=34 but do not yet have my USB to PCI yet. Figured must be another issue because the MC7354 was working on AT&T few months ago.