# Cellular

**URL:** https://community.sparkfun.com/c/wireless-iot/cellular/93.md?page=1

[Latest](https://community.sparkfun.com/latest.md) · [Categories](https://community.sparkfun.com/categories.md) · [Tags](https://community.sparkfun.com/tags.md)

**Page:** 2

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## [Pls recommend a puck-style antenna for LTE](https://community.sparkfun.com/t/pls-recommend-a-puck-style-antenna-for-lte/47068)

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**Author:** [@DougMcK](https://community.sparkfun.com/u/DougMcK)\
**Replies:** 2\
**Last updated:** [March 8, 2024, 4:17am UTC](https://community.sparkfun.com/t/pls-recommend-a-puck-style-antenna-for-lte/47068 "2024-03-08T04:17:51Z")

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Hi, I’m using a SARA R5 MicroMod board in an application where the device is buried rather deep in the bowels of a boat. I have a (Sparkfun provided) GNSS puck antenna, but I would also like to have an LTE antenna that …

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## [SparkFun LTE Stick - LARA-R6 work with Raspberry Pi?](https://community.sparkfun.com/t/sparkfun-lte-stick-lara-r6-work-with-raspberry-pi/46942)

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**Author:** [@FireNWater](https://community.sparkfun.com/u/FireNWater)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 9:09pm UTC](https://community.sparkfun.com/t/sparkfun-lte-stick-lara-r6-work-with-raspberry-pi/46942 "2024-02-12T21:09:06Z")

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Would like to find out if the SparkFun LTE Stick - LARA-R6 can be easily connected to the Linux OS on a Raspberry Pi? Are there drivers available so it shows up to the OS as an internet connection? We’re considering an …

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## [Analogue (AC)  Voltages datalogging and sending the voltagedata by LTE/GPRS to internet](https://community.sparkfun.com/t/analogue-ac-voltages-datalogging-and-sending-the-voltagedata-by-lte-gprs-to-internet/46931)

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**Author:** [@SiliconGraph](https://community.sparkfun.com/u/SiliconGraph)\
**Replies:** 1\
**Last updated:** [February 8, 2024, 8:09pm UTC](https://community.sparkfun.com/t/analogue-ac-voltages-datalogging-and-sending-the-voltagedata-by-lte-gprs-to-internet/46931 "2024-02-08T20:09:39Z")

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Hi I am a newbie, what Sparkfun components should I combine to be able to measure analogue (AC) Voltages (like 26 times a second), log those voltages \*datalogger) and sending the data (say once every 24 hours) by LTE/GPR…

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## [SARA-R5 bricked after FOAT](https://community.sparkfun.com/t/sara-r5-bricked-after-foat/46763)

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**Author:** [@jc.internet.stuff](https://community.sparkfun.com/u/jc.internet.stuff)\
**Replies:** 1\
**Last updated:** [January 11, 2024, 5:39pm UTC](https://community.sparkfun.com/t/sara-r5-bricked-after-foat/46763 "2024-01-11T17:39:45Z")

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Hi, I recently flashed my Sparksfun LTE GNSS SARA-R510 device via the u-blow m-center software - it said it succeeded but I have not been able to reconnect to it anymore via the serial ports. Not even the EasyFlash app …

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## [SARA-R5 failing example 7: SARA\_R5\_PSD\_ACTION\_ACTIVATE fails](https://community.sparkfun.com/t/sara-r5-failing-example-7-sara_r5_psd_action_activate-fails/46744)

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**Author:** [@DougMcK](https://community.sparkfun.com/u/DougMcK)\
**Replies:** 1\
**Last updated:** [January 7, 2024, 10:08pm UTC](https://community.sparkfun.com/t/sara-r5-failing-example-7-sara_r5_psd_action_activate-fails/46744 "2024-01-07T22:08:55Z")

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I’m using a Hologram SIM with the asset tracker board. All is well with previous examples, until example 7 fails with this error. I do make connection and get an IP address, so lot’s of stuff is, indeed, alive and workin…

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## [Sara-R4 LTE CAT M1/NB IoT Shield not accessible to linux as a breakout board](https://community.sparkfun.com/t/sara-r4-lte-cat-m1-nb-iot-shield-not-accessible-to-linux-as-a-breakout-board/46631)

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**Author:** [@sporkfun23](https://community.sparkfun.com/u/sporkfun23)\
**Replies:** 5\
**Last updated:** [December 20, 2023, 4:58pm UTC](https://community.sparkfun.com/t/sara-r4-lte-cat-m1-nb-iot-shield-not-accessible-to-linux-as-a-breakout-board/46631 "2023-12-20T16:58:53Z")

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I’m using Debian on a Pocket Beagle and trying to connect that to the sparkfun sara-r4 shield as a breakout board. I am simply trying to use screen or minicom to send a basic AT command so that I can get an OK response f…

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## [SARA-R5: Registration Status Not Registered](https://community.sparkfun.com/t/sara-r5-registration-status-not-registered/45663)

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**Author:** [@michalisk](https://community.sparkfun.com/u/michalisk)\
**Replies:** 7\
**Last updated:** [November 28, 2023, 2:17am UTC](https://community.sparkfun.com/t/sara-r5-registration-status-not-registered/45663 "2023-11-28T02:17:41Z")

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Hi, We have recently purchased the SparkFun LTE GNSS Breakout - SARA-R5, and we are trying to configure it. Apparently, when I use the m-center from ublox, and I get Registration Status as not registered. The SIM look…

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## [Unable to register the AWS IoT ExpressLink SARA-R5 starter kit with my AWS development account](https://community.sparkfun.com/t/unable-to-register-the-aws-iot-expresslink-sara-r5-starter-kit-with-my-aws-development-account/46546)

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**Author:** [@javier\_balatron](https://community.sparkfun.com/u/javier_balatron)\
**Replies:** 0\
**Last updated:** [November 21, 2023, 11:04pm UTC](https://community.sparkfun.com/t/unable-to-register-the-aws-iot-expresslink-sara-r5-starter-kit-with-my-aws-development-account/46546 "2023-11-21T23:04:11Z")

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I am following the AWS IoT ExpressLink SARA-R5 Starter Kit - Getting started document, however after the step 5.1.4 I can not go further. When I try the AT+CONNECT command, I always see this error message: ERR14 2 UNABL…

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## [AWS SARA-R5 Endpoint error](https://community.sparkfun.com/t/aws-sara-r5-endpoint-error/46283)

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**Author:** [@vcasado](https://community.sparkfun.com/u/vcasado)\
**Replies:** 2\
**Last updated:** [October 18, 2023, 1:39pm UTC](https://community.sparkfun.com/t/aws-sara-r5-endpoint-error/46283 "2023-10-18T13:39:12Z")

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Hello, I am developing an application with the SARA-R5 AWS IoT ExpressLink SARA-R5 Starter Kit V2 KIT-21229. I have followed all the steps here: https://docs.aws.amazon.com/iot-express … count.html but when I send AT+C…

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## [BLE](https://community.sparkfun.com/t/ble/46364)

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**Author:** [@RichardCook](https://community.sparkfun.com/u/RichardCook)\
**Replies:** 0\
**Last updated:** [October 16, 2023, 2:57pm UTC](https://community.sparkfun.com/t/ble/46364 "2023-10-16T14:57:13Z")

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I’m new to BLE and have come here in an effort to improve a product I’ve already developed. I have a sensor array that I need to read every X minutes (right now X=30). I then send these readings to the cloud via LTE. The…

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## [Board failure after FW update: GPS-18031 (SARA-R510M8S)](https://community.sparkfun.com/t/board-failure-after-fw-update-gps-18031-sara-r510m8s/46348)

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**Author:** [@jderimig](https://community.sparkfun.com/u/jderimig)\
**Replies:** 2\
**Last updated:** [October 13, 2023, 4:33pm UTC](https://community.sparkfun.com/t/board-failure-after-fw-update-gps-18031-sara-r510m8s/46348 "2023-10-13T16:33:20Z")

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Board failed after following procedure to update firmware with EasyFlash by following quick start guide. Followed EasyFlash prompts to turn-off/on with Sara-on button. After update board would not connect to M-center wi…

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## [Arduino Board not Recognized](https://community.sparkfun.com/t/arduino-board-not-recognized/46227)

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**Author:** [@samman88](https://community.sparkfun.com/u/samman88)\
**Replies:** 5\
**Last updated:** [September 19, 2023, 5:22pm UTC](https://community.sparkfun.com/t/arduino-board-not-recognized/46227 "2023-09-19T17:22:19Z")

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I purchased this board from Spark Fun but for the life of me cannot get any computer in my house to recognize it. I’ve followed all of the troubleshooting I can find online and wanted to see if forums might have knowledg…

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## [LTE Cat M1/NB IoT Shield not mounting as USB serial device in macOS](https://community.sparkfun.com/t/lte-cat-m1-nb-iot-shield-not-mounting-as-usb-serial-device-in-macos/46177)

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**Author:** [@sporkfun23](https://community.sparkfun.com/u/sporkfun23)\
**Replies:** 6\
**Last updated:** [September 10, 2023, 7:14am UTC](https://community.sparkfun.com/t/lte-cat-m1-nb-iot-shield-not-mounting-as-usb-serial-device-in-macos/46177 "2023-09-10T07:14:54Z")

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I’m using an M1 Macbook Pro (not to be confused with the “Cat M1” of this board. First, I tried using this shield as a shield plugged physically on top of an Arduino Uno. I had great results and could communicate with a…

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## [nRF9160 Thing Plus Solid yellow (right?) LED and Boot Mode](https://community.sparkfun.com/t/nrf9160-thing-plus-solid-yellow-right-led-and-boot-mode/46021)

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**Author:** [@mr\_gold\_team](https://community.sparkfun.com/u/mr_gold_team)\
**Replies:** 2\
**Last updated:** [August 9, 2023, 7:16pm UTC](https://community.sparkfun.com/t/nrf9160-thing-plus-solid-yellow-right-led-and-boot-mode/46021 "2023-08-09T19:16:37Z")

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My nRF9160 Thing Plus will not enter boot mode, and the yellow/orange LED is solid ON. I have searched the docs and cannot find what the solid on LED means. I believe the at\_client example is loaded onto the board. Does …

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## [Arduino IDE errors coming from src file](https://community.sparkfun.com/t/arduino-ide-errors-coming-from-src-file/45898)

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**Author:** [@Danielius230](https://community.sparkfun.com/u/Danielius230)\
**Replies:** 1\
**Last updated:** [July 13, 2023, 12:06pm UTC](https://community.sparkfun.com/t/arduino-ide-errors-coming-from-src-file/45898 "2023-07-13T12:06:18Z")

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Hello, I have been trying to get the LTE Cat M1/NB-IoT Shield to work with my Arduino Uno Rev2, but when running the first example file(Example 0) from the \[shield’s hookup guide I run into what Arduino IDE seems to thi…

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## [Rtk Express](https://community.sparkfun.com/t/rtk-express/45869)

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**Author:** [@iantitchener](https://community.sparkfun.com/u/iantitchener)\
**Replies:** 1\
**Last updated:** [July 5, 2023, 11:05pm UTC](https://community.sparkfun.com/t/rtk-express/45869 "2023-07-05T23:05:13Z")

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Hi There I have a sparkfun rtk express rover and am experiencing some large positioning errors even when running an ntrip connection over Bluetooth. Any help would be greatly appreciated! Nb the unit reports 30 satellit…

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## [Problems using Qwiic Cellular Notecarrier with an external SIM card](https://community.sparkfun.com/t/problems-using-qwiic-cellular-notecarrier-with-an-external-sim-card/45517)

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**Author:** [@paulohm](https://community.sparkfun.com/u/paulohm)\
**Replies:** 5\
**Last updated:** [June 30, 2023, 2:08pm UTC](https://community.sparkfun.com/t/problems-using-qwiic-cellular-notecarrier-with-an-external-sim-card/45517 "2023-06-30T14:08:30Z")

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After soldering the SIM tray and accessing the notecarrier by USB, it seems that the external SIM card is not being recognized. Notecard CLI when queried, shows the below message. There is a jumper named SIM\_CD on the ca…

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## [Need to fully reset a SARA-R5 Asset Tracker](https://community.sparkfun.com/t/need-to-fully-reset-a-sara-r5-asset-tracker/45845)

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**Author:** [@melmers](https://community.sparkfun.com/u/melmers)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 6:43pm UTC](https://community.sparkfun.com/t/need-to-fully-reset-a-sara-r5-asset-tracker/45845 "2023-06-29T18:43:59Z")

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I have a SARA-R5 Asset Tracker that needs the SARA-R5 chip reset. It connects to the network when a SIM is in place (the blue light comes on around 20 seconds after power on). I get GPS data when I run Arduino Apps. But …

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## [No response from my new LTE Cat M1/NB-IoT Shield - SparkFun Please Help](https://community.sparkfun.com/t/no-response-from-my-new-lte-cat-m1-nb-iot-shield-sparkfun-please-help/41044)

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**Author:** [@jwhance](https://community.sparkfun.com/u/jwhance)\
**Replies:** 3\
**Last updated:** [May 4, 2023, 4:41pm UTC](https://community.sparkfun.com/t/no-response-from-my-new-lte-cat-m1-nb-iot-shield-sparkfun-please-help/41044 "2023-05-04T16:41:35Z")

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Using with Arduino UNO and hooked up as spelled out in the hookup guide. See attached photo. Using Hologram SIM which has been activated. I’ve uploaded the “00” sketch and the attached screen image is all I’m getting no…

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## [LTE M1/NB-Iot Board](https://community.sparkfun.com/t/lte-m1-nb-iot-board/42284)

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**Author:** [@Karan88](https://community.sparkfun.com/u/Karan88)\
**Replies:** 5\
**Last updated:** [May 4, 2023, 4:41pm UTC](https://community.sparkfun.com/t/lte-m1-nb-iot-board/42284 "2023-05-04T16:41:25Z")

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Hi I was going through your query about sparkfun lte and it’s really over for me. But I am also struggling with this sparkfun and I am trying make simple project of sending sms by using arduino but I Don't know why it’…

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## [Hologram "Global SIM Card"](https://community.sparkfun.com/t/hologram-global-sim-card/45511)

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**Author:** [@bobblu](https://community.sparkfun.com/u/bobblu)\
**Replies:** 1\
**Last updated:** [April 27, 2023, 6:19pm UTC](https://community.sparkfun.com/t/hologram-global-sim-card/45511 "2023-04-27T18:19:17Z")

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I recently purchased the Hologram SIM card from Sparkfun (CEL-17117) and I was unable to activate it for “Global Use” I want to be able to activate it so it will work anywhere in the world where Hologram provides cellul…

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## [Firmware for GPS-18031 (SARA-R510M8S / SparkFun LTE GNSS Breakout)](https://community.sparkfun.com/t/firmware-for-gps-18031-sara-r510m8s-sparkfun-lte-gnss-breakout/45446)

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**Author:** [@alexiot](https://community.sparkfun.com/u/alexiot)\
**Replies:** 2\
**Last updated:** [April 15, 2023, 7:12am UTC](https://community.sparkfun.com/t/firmware-for-gps-18031-sara-r510m8s-sparkfun-lte-gnss-breakout/45446 "2023-04-15T07:12:48Z")

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I just bought one of these and it has firmware version 02.06 on it. Am I right that that is too old? There is a tutorial from twilio that says you need at least 3.1 for what they want to do. Who is meant to be responsi…

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## [SparkFun LTE CAT M1/NB-IoT Shield - SARA-R4, sending SMS messages to Android](https://community.sparkfun.com/t/sparkfun-lte-cat-m1-nb-iot-shield-sara-r4-sending-sms-messages-to-android/45365)

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**Author:** [@ryanr10](https://community.sparkfun.com/u/ryanr10)\
**Replies:** 5\
**Last updated:** [April 3, 2023, 9:15pm UTC](https://community.sparkfun.com/t/sparkfun-lte-cat-m1-nb-iot-shield-sara-r4-sending-sms-messages-to-android/45365 "2023-04-03T21:15:22Z")

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Hello, I am currently trying to send an SMS message to an Android phone with the SparkFun LTE CAT M1. The board has a hologram SIM card and is registered in the AT&T mobility provider. The code used is the example code …

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## [SARA-R5 EXT-INT](https://community.sparkfun.com/t/sara-r5-ext-int/45155)

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**Author:** [@nspkf](https://community.sparkfun.com/u/nspkf)\
**Replies:** 2\
**Last updated:** [March 5, 2023, 3:17am UTC](https://community.sparkfun.com/t/sara-r5-ext-int/45155 "2023-03-05T03:17:28Z")

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Hi, I recently got a SARA-R5 breakout board for the R510M8S, and it is working very well except for two minor issues with the external interrupt: It looks like multiple transitions on EXT-INT sometimes cause the SARA mo…

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## [5G Devices for SMS - Simple and Basic - (3g and 4g phased out)](https://community.sparkfun.com/t/5g-devices-for-sms-simple-and-basic-3g-and-4g-phased-out/45049)

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**Author:** [@TSTARK](https://community.sparkfun.com/u/TSTARK)\
**Replies:** 3\
**Last updated:** [January 25, 2023, 2:16am UTC](https://community.sparkfun.com/t/5g-devices-for-sms-simple-and-basic-3g-and-4g-phased-out/45049 "2023-01-25T02:16:22Z")

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Hello, I am seeking to send an SMS text when a devices is triggered. (simple design) Now that 3G and 4G has been phased out of the U.S. can anyone recommend the devices to achieve the basic text? Is there a new 5G boa…

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## [LTE Cat M1/NB-IoT Shield Upload Issue to Arduino Nano Every](https://community.sparkfun.com/t/lte-cat-m1-nb-iot-shield-upload-issue-to-arduino-nano-every/44915)

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**Author:** [@Lanea22](https://community.sparkfun.com/u/Lanea22)\
**Replies:** 1\
**Last updated:** [January 7, 2023, 3:09pm UTC](https://community.sparkfun.com/t/lte-cat-m1-nb-iot-shield-upload-issue-to-arduino-nano-every/44915 "2023-01-07T15:09:28Z")

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Hi All, I am having trouble getting my code to compile when my chosen board is an Arduino Nano Every as this is the board I am currently using. When I change the board to the Uno, the code compiles with no issue. The co…

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## [SparkFun LTE CAT M1/NB-IoT Shield - SARA-R4, SMS sent but not received](https://community.sparkfun.com/t/sparkfun-lte-cat-m1-nb-iot-shield-sara-r4-sms-sent-but-not-received/43653)

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**Author:** [@sarahdawn218](https://community.sparkfun.com/u/sarahdawn218)\
**Replies:** 2\
**Last updated:** [January 3, 2023, 3:37pm UTC](https://community.sparkfun.com/t/sparkfun-lte-cat-m1-nb-iot-shield-sara-r4-sms-sent-but-not-received/43653 "2023-01-03T15:37:18Z")

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Hello, I am having issues with the SparkFun LTE CAT M1/NB-IoT Shield - SARA-R4 (with Hologram SIM Card) and the use of the LTE Antenna 100mm FPC u.FL - VT4GFIA-6. I have been using the Arduino UNO with the Shield, and …

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## [SARA-R410M-02B](https://community.sparkfun.com/t/sara-r410m-02b/44397)

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**Author:** [@bvernham](https://community.sparkfun.com/u/bvernham)\
**Replies:** 0\
**Last updated:** [August 30, 2022, 1:14am UTC](https://community.sparkfun.com/t/sara-r410m-02b/44397 "2022-08-30T01:14:00Z")

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So according to UBLOX SARA-R410M-02B has Embedded TLS 1.2. Is there any plan to support in the to support this in the libary? Can you use the SARA-R5 library instead of the R4 library to support this functionality? I k…

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## [Problem communicating with LTE CAT M1/NB-IoT Shield - SARA-R4](https://community.sparkfun.com/t/problem-communicating-with-lte-cat-m1-nb-iot-shield-sara-r4/44289)

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**Author:** [@TomasLuneckas](https://community.sparkfun.com/u/TomasLuneckas)\
**Replies:** 2\
**Last updated:** [August 3, 2022, 5:41am UTC](https://community.sparkfun.com/t/problem-communicating-with-lte-cat-m1-nb-iot-shield-sara-r4/44289 "2022-08-03T05:41:44Z")

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Hello everyone, I’m having problems with communicating the board. I tried to connect it with Arduino mega (connected TX, RX, Vcc, GND, IOREF), I was trying to power it via button. I tried SerialPassThrough example and…

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## [5G Card or even Possible 4G to us eon old vintage car phones 2G](https://community.sparkfun.com/t/5g-card-or-even-possible-4g-to-us-eon-old-vintage-car-phones-2g/44157)

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**Author:** [@Jimhockey74](https://community.sparkfun.com/u/Jimhockey74)\
**Replies:** 1\
**Last updated:** [July 3, 2022, 6:34pm UTC](https://community.sparkfun.com/t/5g-card-or-even-possible-4g-to-us-eon-old-vintage-car-phones-2g/44157 "2022-07-03T18:34:54Z")

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Do you have anything that I could change the guts out of the brains in the transceiver (not sure if that’s the correct terminology) box and replace with a 4g/5G card to make one of these work on today’s network (https://…

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