# IoT Modules **URL:** https://forum.sierrawireless.com/c/modules/8.md [Latest](https://forum.sierrawireless.com/latest.md) · [Categories](https://forum.sierrawireless.com/categories.md) · [Tags](https://forum.sierrawireless.com/tags.md) --- ## [About the IoT Modules category](https://forum.sierrawireless.com/t/about-the-iot-modules-category/14)
**Author:** [@system](https://forum.sierrawireless.com/u/system)\ **Replies:** 0\ **Last updated:** [March 16, 2018, 10:48am UTC](https://forum.sierrawireless.com/t/about-the-iot-modules-category/14 "2018-03-16T10:48:21Z")
Topics related to Sierra Wireless embedded modules --- ## [EM7590 in c080 mode](https://forum.sierrawireless.com/t/em7590-in-c080-mode/36210)
**Author:** [@j.wyatt](https://forum.sierrawireless.com/u/j.wyatt)\ **Replies:** 1\ **Last updated:** [October 24, 2026, 1:00am UTC](https://forum.sierrawireless.com/t/em7590-in-c080-mode/36210 "2026-10-24T01:00:03Z")
I have an EM7590 that is listing in lsusb as 1199:c080, and creating only the one /dev/ttyUSB0 port. It is apparently stuck in BootHold / QDL mode, but none of the Linux firmware loaders I have tried (fwdwl-litehostx86\_… --- ## [How to reset a WP7702 when AT is unresponsive](https://forum.sierrawireless.com/t/how-to-reset-a-wp7702-when-at-is-unresponsive/36207)
**Author:** [@liam1](https://forum.sierrawireless.com/u/liam1)\ **Replies:** 11\ **Last updated:** [October 23, 2026, 12:59am UTC](https://forum.sierrawireless.com/t/how-to-reset-a-wp7702-when-at-is-unresponsive/36207 "2026-10-23T00:59:26Z")
I am troubleshooting a WP7702 running Legato 21.05.0\_2dabb8d054d3c0c9b5655d2326b279a1. The issue appeared while I was trying to use /dev/ttyHS0 from a Linux application and changing the UART mapping with MAPUART/uartMod… --- ## [Carrier Specific PRI Firmware Switching at Remote Locations](https://forum.sierrawireless.com/t/carrier-specific-pri-firmware-switching-at-remote-locations/36204)
**Author:** [@liam1](https://forum.sierrawireless.com/u/liam1)\ **Replies:** 3\ **Last updated:** [October 22, 2026, 1:09am UTC](https://forum.sierrawireless.com/t/carrier-specific-pri-firmware-switching-at-remote-locations/36204 "2026-10-22T01:09:47Z")
I’m working with a Sierra Wireless WP7702. When I built an image using the generic SPK, the Verizon PRI appeared in the output of the AT!IMPREF commands, but I couldn’t successfully switch to it. I rebuilt the image usi… --- ## [EM9191 lost its band mask configuration](https://forum.sierrawireless.com/t/em9191-lost-its-band-mask-configuration/35561)
**Author:** [@sahokas](https://forum.sierrawireless.com/u/sahokas)\ **Replies:** 12\ **Last updated:** [October 20, 2026, 7:59am UTC](https://forum.sierrawireless.com/t/em9191-lost-its-band-mask-configuration/35561 "2026-10-20T07:59:26Z")
Hi, I have an EM9191 module that doesn’t connect to network. Problem is that it has lost its band mask configuration: ati Manufacturer: Sierra Wireless, Incorporated Model: EM9191 Revision: SWIX55C\_03.14.10.04 25b6d… --- ## [EM7421 - Declaration of Conformity](https://forum.sierrawireless.com/t/em7421-declaration-of-conformity/36199)
**Author:** [@christopher.ulrich](https://forum.sierrawireless.com/u/christopher.ulrich)\ **Replies:** 6\ **Last updated:** [October 14, 2026, 9:14am UTC](https://forum.sierrawireless.com/t/em7421-declaration-of-conformity/36199 "2026-10-14T09:14:34Z")
Hello, is a new Declaration of Conformity (DoC) for EM7421 in the works? The existing EU Declaration of Conformity lists standards that have been withdrawn, and the transition periods end on November 15, 2026. EN 301 4… --- ## [WP7702 drivers has windows security problems](https://forum.sierrawireless.com/t/wp7702-drivers-has-windows-security-problems/35917)
**Author:** [@thomas.ander](https://forum.sierrawireless.com/u/thomas.ander)\ **Replies:** 30\ **Last updated:** [October 13, 2026, 5:38pm UTC](https://forum.sierrawireless.com/t/wp7702-drivers-has-windows-security-problems/35917 "2026-10-13T17:38:46Z")
I have problems that Windows security is stopping the driver for SSH communication over USB. Suddenly the SSH communication stopped working and I got a failure message on the driver. Are there any new drivers update? … --- ## [Is it possible to connect an EM9293 modem to an android phone as an external modem?](https://forum.sierrawireless.com/t/is-it-possible-to-connect-an-em9293-modem-to-an-android-phone-as-an-external-modem/36190)
**Author:** [@Textbooq](https://forum.sierrawireless.com/u/Textbooq)\ **Replies:** 3\ **Last updated:** [October 7, 2026, 2:34pm UTC](https://forum.sierrawireless.com/t/is-it-possible-to-connect-an-em9293-modem-to-an-android-phone-as-an-external-modem/36190 "2026-10-07T14:34:28Z")
I’m thinking of connecting an EM9293 modem to an Android phone using USB adapters, and I want to know if it would be possible for the phone to recognize and use the EM9293 for cellular service (LTE) instead of its own mo… --- ## [EM8695 sleep state](https://forum.sierrawireless.com/t/em8695-sleep-state/36189)
**Author:** [@james.hillman](https://forum.sierrawireless.com/u/james.hillman)\ **Replies:** 1\ **Last updated:** [October 7, 2026, 8:55am UTC](https://forum.sierrawireless.com/t/em8695-sleep-state/36189 "2026-10-07T08:55:35Z")
We are replacing RC7620 with EM8695 for 5G Redcap. We have a mode where the host buffers data into 6s or 30s chunks. It then uploads these periodically, i.e. every 6 or 30 seconds. Our previous 4G modem Sierra Wireless … --- ## [EM8695 not connecting to cell](https://forum.sierrawireless.com/t/em8695-not-connecting-to-cell/36098)
**Author:** [@james.hillman](https://forum.sierrawireless.com/u/james.hillman)\ **Replies:** 7\ **Last updated:** [October 7, 2026, 8:07am UTC](https://forum.sierrawireless.com/t/em8695-not-connecting-to-cell/36098 "2026-10-07T08:07:46Z")
We are using the EM DEV KIT-6001173 with the EM8695 We are not getting any 5G connecting. I attach our log file of AT commands. This looks correct to me. Do you agree? Later we will try 4G mode, and perhaps NRINFO/LTEI… --- ## [Upgrading HL6528RD-2.8V CF3 Snap-in 4G/5G](https://forum.sierrawireless.com/t/upgrading-hl6528rd-2-8v-cf3-snap-in-4g-5g/36187)
**Author:** [@mark.34](https://forum.sierrawireless.com/u/mark.34)\ **Replies:** 5\ **Last updated:** [October 7, 2026, 1:45am UTC](https://forum.sierrawireless.com/t/upgrading-hl6528rd-2-8v-cf3-snap-in-4g-5g/36187 "2026-10-07T01:45:05Z")
Hi, greetings to all, this is my first post here. I have some older vehicle telematics devices I’d like to upgrade to 4G+ connectivity. They have STM32F103VFT6 microprocessor. Currently equipped with HL6528RD-2.8V CF3… --- ## [Schematic of EM DEV KIT 6001173?](https://forum.sierrawireless.com/t/schematic-of-em-dev-kit-6001173/36170)
**Author:** [@mike.kaelin](https://forum.sierrawireless.com/u/mike.kaelin)\ **Replies:** 6\ **Last updated:** [October 4, 2026, 4:47pm UTC](https://forum.sierrawireless.com/t/schematic-of-em-dev-kit-6001173/36170 "2026-10-04T16:47:15Z")
I have a EM DEV KIT 6001173 (PCB is 5302357-2) for testing the EM8695 M.2 module. I see in the module datasheet somewhere that some large-value capacitors are required. I don’t see a schematic for that kit on Sierra’s we… --- ## [Dev kit for EM8695](https://forum.sierrawireless.com/t/dev-kit-for-em8695/35878)
**Author:** [@james.hillman](https://forum.sierrawireless.com/u/james.hillman)\ **Replies:** 10\ **Last updated:** [October 1, 2026, 5:37pm UTC](https://forum.sierrawireless.com/t/dev-kit-for-em8695/35878 "2026-10-01T17:37:14Z")
Can anyone confirm that the Air Prime dev kit (EM DEV KIT-6001173) works with the EM8695 please? and/or what have you tested with? --- ## [EM9190: 5G SA SMS Not Working — SMSoNAS/IMS Both Failed, ENDC Unavailable](https://forum.sierrawireless.com/t/em9190-5g-sa-sms-not-working-smsonas-ims-both-failed-endc-unavailable/36165)
**Author:** [@zhang185094876](https://forum.sierrawireless.com/u/zhang185094876)\ **Replies:** 3\ **Last updated:** [September 30, 2026, 8:22am UTC](https://forum.sierrawireless.com/t/em9190-5g-sa-sms-not-working-smsonas-ims-both-failed-endc-unavailable/36165 "2026-09-30T08:22:30Z")
Module Information Item Detail Model EM9190 Original config Customer: Getac, cross-flashed to GENERIC Firmware SWIX55C\_03.17.09.00 (Release 9, 2025/07/24) IMEI SV 29 PRI GENERIC 030.115\_000 IMPREF GENE… --- ## [EM9291 RoHS/REACH certificates of cimpliance](https://forum.sierrawireless.com/t/em9291-rohs-reach-certificates-of-cimpliance/36161)
**Author:** [@Oleksandr.Meshko](https://forum.sierrawireless.com/u/Oleksandr.Meshko)\ **Replies:** 6\ **Last updated:** [September 29, 2026, 2:23pm UTC](https://forum.sierrawireless.com/t/em9291-rohs-reach-certificates-of-cimpliance/36161 "2026-09-29T14:23:17Z")
Hello, I am working for a company that uses the EM9291 5G modules in several products. And to compile a compliance report for these products the material composition or the RoHS3/REACH compliance certificates of all use… --- ## [Are there any specifications/guidance from Sierra Wireless describe the flashing process?](https://forum.sierrawireless.com/t/are-there-any-specifications-guidance-from-sierra-wireless-describe-the-flashing-process/36162)
**Author:** [@haipd23](https://forum.sierrawireless.com/u/haipd23)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 8:00am UTC](https://forum.sierrawireless.com/t/are-there-any-specifications-guidance-from-sierra-wireless-describe-the-flashing-process/36162 "2026-09-29T08:00:49Z")
Hello, i’ve been trying to find an official Sierra Wireless document that describes the actual flashing sequence/protocol used to update firmware on AirPrime EM/MC-series modules (e.g. reboot into download mode → USB re-… --- ## [Cannot download Firmware for EM9190 - Website Returns 404](https://forum.sierrawireless.com/t/cannot-download-firmware-for-em9190-website-returns-404/36146)
**Author:** [@anthony.desmottes](https://forum.sierrawireless.com/u/anthony.desmottes)\ **Replies:** 2\ **Last updated:** [September 26, 2026, 3:56am UTC](https://forum.sierrawireless.com/t/cannot-download-firmware-for-em9190-website-returns-404/36146 "2026-09-26T03:56:01Z")
When attempting to download firmware versions from the listed documentation page, All firmware version download links do not work. They all return to a 404. I’m looking to download the latest Verizon firmware for the E… --- ## [WP7702 Release 15.2](https://forum.sierrawireless.com/t/wp7702-release-15-2/35835)
**Author:** [@sergey.semernin](https://forum.sierrawireless.com/u/sergey.semernin)\ **Replies:** 81\ **Last updated:** [September 23, 2026, 2:30pm UTC](https://forum.sierrawireless.com/t/wp7702-release-15-2/35835 "2026-09-23T14:30:21Z")
Hello, I’m looking for latest release components here: source.sierrawireless.com/resources/airprime/software/wp77xx/wp7702-firmware-release-15,-d-,2-components/ Looks like Linux Distro Sources and Toolchain links are … --- ## [Trouble Compiling & downloading "Hello World" example](https://forum.sierrawireless.com/t/trouble-compiling-downloading-hello-world-example/3477)
**Author:** [@StefanBuys](https://forum.sierrawireless.com/u/StefanBuys)\ **Replies:** 4\ **Last updated:** [July 24, 2009, 8:17am UTC](https://forum.sierrawireless.com/t/trouble-compiling-downloading-hello-world-example/3477 "2009-07-24T08:17:20Z")
Hi everyone, I’ve installed Wavecom Open AT Software Suite v2.02 and created the sample project “Hello World”. I get the following warning when building the target: \[b\]… Compiling hello\_world.c hello\_world.c: In func… --- ## [HL7900 – RI not triggered all the time on incoming TCP/MQTT data in eDRX](https://forum.sierrawireless.com/t/hl7900-ri-not-triggered-all-the-time-on-incoming-tcp-mqtt-data-in-edrx/35791)
**Author:** [@htb.tom41](https://forum.sierrawireless.com/u/htb.tom41)\ **Replies:** 28\ **Last updated:** [September 22, 2026, 12:13pm UTC](https://forum.sierrawireless.com/t/hl7900-ri-not-triggered-all-the-time-on-incoming-tcp-mqtt-data-in-edrx/35791 "2026-09-22T12:13:01Z")
Hello, Context I am currently working on implementing eDRX on the HL7900 / HL7812 modem and I am encountering an issue related to the Ring Indicator (RI). The device communicates using MQTT over TCP with a broker. My f… --- ## [MC7430 update firmware failed](https://forum.sierrawireless.com/t/mc7430-update-firmware-failed/36119)
**Author:** [@larry1](https://forum.sierrawireless.com/u/larry1)\ **Replies:** 6\ **Last updated:** [September 18, 2026, 8:08am UTC](https://forum.sierrawireless.com/t/mc7430-update-firmware-failed/36119 "2026-09-18T08:08:35Z")
How could I update the firmware ? --- ## [EM7590 Verizon Firmware – Unexpected Enterprise APN in PDP Context 3](https://forum.sierrawireless.com/t/em7590-verizon-firmware-unexpected-enterprise-apn-in-pdp-context-3/35974)
**Author:** [@liam1](https://forum.sierrawireless.com/u/liam1)\ **Replies:** 10\ **Last updated:** [September 16, 2026, 8:09am UTC](https://forum.sierrawireless.com/t/em7590-verizon-firmware-unexpected-enterprise-apn-in-pdp-context-3/35974 "2026-09-16T08:09:59Z")
We are testing an EM7590 using the Verizon firmware/PRI: current fw version: 04.00.04.00 current carrier name: VERIZON current config name: VERIZON\_004.000\_000 current subpri index: 000 \>\>\> AT!PRIID? PRI… --- ## [MC7411 – Mobicom Mongolia Network Support](https://forum.sierrawireless.com/t/mc7411-mobicom-mongolia-network-support/35981)
**Author:** [@mtm](https://forum.sierrawireless.com/u/mtm)\ **Replies:** 1\ **Last updated:** [August 31, 2026, 5:11am UTC](https://forum.sierrawireless.com/t/mc7411-mobicom-mongolia-network-support/35981 "2026-08-31T05:11:43Z")
Hi All, We have a customer who needs to use MC7411 on the Mobicom Mongolia cellular network. Could you please confirm whether the MC7411 supports the Mobicom network, and whether a specific carrier firmware/carrier con… --- ## [SSL private key security](https://forum.sierrawireless.com/t/ssl-private-key-security/26071)
**Author:** [@jakub.polonsky](https://forum.sierrawireless.com/u/jakub.polonsky)\ **Replies:** 10\ **Last updated:** [August 26, 2026, 9:58am UTC](https://forum.sierrawireless.com/t/ssl-private-key-security/26071 "2026-08-26T09:58:09Z")
I have a security concern about private key storage for SSL. According to documentation, AT+KPRIVKSTORE? can be used to read back the private key for the client certificate. Isn’t this a security problem? Like anyone who… --- ## [Does HL7900 module provides built in "secure element"](https://forum.sierrawireless.com/t/does-hl7900-module-provides-built-in-secure-element/35976)
**Author:** [@imran.sarwar](https://forum.sierrawireless.com/u/imran.sarwar)\ **Replies:** 0\ **Last updated:** [August 26, 2026, 9:46am UTC](https://forum.sierrawireless.com/t/does-hl7900-module-provides-built-in-secure-element/35976 "2026-08-26T09:46:00Z")
Hi, I wanted to ask about secure element, it is mentioned for the modules HL7900 and HL7900E (in their product overview pages) that they have secure element, but I have not found it in the documentation available for th… --- ## [Repartitioning of wp76xx flash](https://forum.sierrawireless.com/t/repartitioning-of-wp76xx-flash/35971)
**Author:** [@branislav.pjetar](https://forum.sierrawireless.com/u/branislav.pjetar)\ **Replies:** 5\ **Last updated:** [August 25, 2026, 12:48am UTC](https://forum.sierrawireless.com/t/repartitioning-of-wp76xx-flash/35971 "2026-08-25T00:48:22Z")
Hi, We are considering wp7607 for our future design. Is it possible to re-partition the internal flash, specifically to increase rootfs (“system”) partition size at the expense of userapp partition? If yes, what are the… --- ## [Change Notification](https://forum.sierrawireless.com/t/change-notification/35962)
**Author:** [@robert.deacon](https://forum.sierrawireless.com/u/robert.deacon)\ **Replies:** 2\ **Last updated:** [August 15, 2026, 2:19pm UTC](https://forum.sierrawireless.com/t/change-notification/35962 "2026-08-15T14:19:17Z")
Does Sierra Wireless provide a change notification service, so that you can sign up and receive notification of any changes to the parts you’re interested in? --- ## [EM7590 running firmware 04.00.04.00 won't download ephemeris data, no GPS sync](https://forum.sierrawireless.com/t/em7590-running-firmware-04-00-04-00-wont-download-ephemeris-data-no-gps-sync/35951)
**Author:** [@j.wyatt](https://forum.sierrawireless.com/u/j.wyatt)\ **Replies:** 4\ **Last updated:** [August 13, 2026, 6:12pm UTC](https://forum.sierrawireless.com/t/em7590-running-firmware-04-00-04-00-wont-download-ephemeris-data-no-gps-sync/35951 "2026-08-13T18:12:29Z")
I have a new EM7590 that won’t get a GPS fix. AT!IMPREF: preferred fw version: 00.00.00.00 preferred carrier name: AUTO-SIM preferred config name: AUTO-SIM\_000.000\_000 preferred subpri index: 000 current fw … --- ## [EM7455B – GNSS sees 11 satellites (SNR 34–35) but never obtains a fix – firmware 02.24.03.00](https://forum.sierrawireless.com/t/em7455b-gnss-sees-11-satellites-snr-34-35-but-never-obtains-a-fix-firmware-02-24-03-00/35959)
**Author:** [@enriquecarbonellmadr](https://forum.sierrawireless.com/u/enriquecarbonellmadr)\ **Replies:** 7\ **Last updated:** [August 13, 2026, 8:28am UTC](https://forum.sierrawireless.com/t/em7455b-gnss-sees-11-satellites-snr-34-35-but-never-obtains-a-fix-firmware-02-24-03-00/35959 "2026-08-13T08:28:53Z")
EM7455B GNSS: 11 satellites with SNR 34–35, antenna bias enabled, but never obtains a GPS fix Hello, I am troubleshooting GNSS on a Getac V110 G5 equipped with a Sierra Wireless EM7455B. At this point I have done exte… --- ## [Inquiry regarding maximum HTTP header size for RC7630](https://forum.sierrawireless.com/t/inquiry-regarding-maximum-http-header-size-for-rc7630/35956)
**Author:** [@cksung](https://forum.sierrawireless.com/u/cksung)\ **Replies:** 1\ **Last updated:** [August 10, 2026, 8:01am UTC](https://forum.sierrawireless.com/t/inquiry-regarding-maximum-http-header-size-for-rc7630/35956 "2026-08-10T08:01:15Z")
Hello, I am currently using the RC7630 module and implementing HTTP communication. I need to send an HTTP header that is 479 bytes in size. Could you please let me know if it is possible to transmit a header of this si… [Next page](https://forum.sierrawireless.com/c/modules/8.md?page=1)