# \#3g
**URL:** https://forums.digi.com/tag/3g/890.md
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## [Proper DIGI xbee 3g modem alternative for european 4G?](https://forums.digi.com/t/proper-digi-xbee-3g-modem-alternative-for-european-4g/22596)
**Author:** [@elcontrol](https://forums.digi.com/u/elcontrol)\
**Replies:** 2\
**Last updated:** [August 13, 2021, 10:18am UTC](https://forums.digi.com/t/proper-digi-xbee-3g-modem-alternative-for-european-4g/22596 "2021-08-13T10:18:24Z")
Anyone can help in identifying the proper alternative to DIGI xbee 3g modem for 4G european networks? Moving down 3G modem to 2G is too heavy on current consumption so solution is not useable. We tested Digi XBee® Cell…
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## [XBee Cellular 3G HTTPS Failing](https://forums.digi.com/t/xbee-cellular-3g-https-failing/22366)
**Author:** [@deltav](https://forums.digi.com/u/deltav)\
**Replies:** 2\
**Last updated:** [April 21, 2021, 3:04pm UTC](https://forums.digi.com/t/xbee-cellular-3g-https-failing/22366 "2021-04-21T15:04:04Z")
I have working micropython https scripts using urequests operating on my XBee3 LTE Cat 1 devices. When I move that code over to the 3g modem it fails with an 7005 EIO error. HTTP code using sockets works. Are there iss…
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## [Publicación de error](https://forums.digi.com/t/publicacion-de-error/21391)
**Author:** [@JSOSA](https://forums.digi.com/u/JSOSA)\
**Replies:** 0\
**Last updated:** [May 20, 2020, 10:03am UTC](https://forums.digi.com/t/publicacion-de-error/21391 "2020-05-20T10:03:02Z")
when I post my data from my 3g Global device in remote manager I get the following error:exception: \[Errno 7005\] EIO some idea ? Thanks…regards
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## [What is the Digi Connect WAN 3g replacement?](https://forums.digi.com/t/what-is-the-digi-connect-wan-3g-replacement/21087)
**Author:** [@rafael.jimenez](https://forums.digi.com/u/rafael.jimenez)\
**Replies:** 1\
**Last updated:** [February 4, 2020, 7:54am UTC](https://forums.digi.com/t/what-is-the-digi-connect-wan-3g-replacement/21087 "2020-02-04T07:54:13Z")
I need to specify the current replacement for the Digi Connect WAN 3g. What is the replacement?
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## [Transport WR21 use strongest network with roaming SIM](https://forums.digi.com/t/transport-wr21-use-strongest-network-with-roaming-sim/20516)
**Author:** [@degiv\_mheynen](https://forums.digi.com/u/degiv_mheynen)\
**Replies:** 2\
**Last updated:** [December 17, 2019, 4:56pm UTC](https://forums.digi.com/t/transport-wr21-use-strongest-network-with-roaming-sim/20516 "2019-12-17T16:56:39Z")
Hi, we are using multiple Transport WR21 Routers (3G and LTE versions). We now have migrated to a new Provider from which we got a Roaming SIM. Is there a way that the Router automatically selects the strongest cellula…
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## [Digi Xbee Cellular 3G Module and Remote Server via MQTT](https://forums.digi.com/t/digi-xbee-cellular-3g-module-and-remote-server-via-mqtt/20784)
**Author:** [@faizi\_968](https://forums.digi.com/u/faizi_968)\
**Replies:** 3\
**Last updated:** [October 29, 2019, 2:20pm UTC](https://forums.digi.com/t/digi-xbee-cellular-3g-module-and-remote-server-via-mqtt/20784 "2019-10-29T14:20:24Z")
I have made a custom board with Digi Xbee 3G Module on-board. I want it to communicate with a remote web server via MQTT and send the received data via UART to an external MCU. Any suggestions on how to get started? I wo…
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## [Is it possible to restart the DIGI 3G Cellular device with some MicroPython command?](https://forums.digi.com/t/is-it-possible-to-restart-the-digi-3g-cellular-device-with-some-micropython-command/19303)
**Author:** [@a.u.jentze](https://forums.digi.com/u/a.u.jentze)\
**Replies:** 2\
**Last updated:** [March 15, 2019, 4:35pm UTC](https://forums.digi.com/t/is-it-possible-to-restart-the-digi-3g-cellular-device-with-some-micropython-command/19303 "2019-03-15T16:35:33Z")
Is it possible to restart the DIGI 3G Cellular device with some MicroPython command?
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## [I want to compile my code into Digi XBee Cellular 3G Global Embedded Modem Flash memory](https://forums.digi.com/t/i-want-to-compile-my-code-into-digi-xbee-cellular-3g-global-embedded-modem-flash-memory/20292)
**Author:** [@angelluiss](https://forums.digi.com/u/angelluiss)\
**Replies:** 4\
**Last updated:** [March 15, 2019, 4:20pm UTC](https://forums.digi.com/t/i-want-to-compile-my-code-into-digi-xbee-cellular-3g-global-embedded-modem-flash-memory/20292 "2019-03-15T16:20:40Z")
I have a problem compiling any code using Micropython from XCTU to Xbee Cellular 3G Global embedded. This is the error “OSError \[Errno 7019\] ENODEV”… I cannot do nothing… :S Please helpme to compile correctly. I’m follow…
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## [Disable 3g on WR21](https://forums.digi.com/t/disable-3g-on-wr21/20325)
**Author:** [@harrington\_cit](https://forums.digi.com/u/harrington_cit)\
**Replies:** 1\
**Last updated:** [March 14, 2019, 4:19am UTC](https://forums.digi.com/t/disable-3g-on-wr21/20325 "2019-03-14T04:19:57Z")
Hi I have a WR21(3G only)and wondering if there is a way to disable the 3G on it and force the device to use 2G/GPRS Thanks
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## [Poor pefroamcne of a WR21 using 3g roaming SIM](https://forums.digi.com/t/poor-pefroamcne-of-a-wr21-using-3g-roaming-sim/20040)
**Author:** [@mark\_eg](https://forums.digi.com/u/mark_eg)\
**Replies:** 1\
**Last updated:** [January 4, 2019, 3:50am UTC](https://forums.digi.com/t/poor-pefroamcne-of-a-wr21-using-3g-roaming-sim/20040 "2019-01-04T03:50:54Z")
I am having issues with a WR21 router connected to a weather station. The function of the router is to allow the pushing of FTP messages back to our server to allow us to display data for our customer. One particular s…
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## [Cellular 3G Global in India](https://forums.digi.com/t/cellular-3g-global-in-india/19784)
**Author:** [@krvarma](https://forums.digi.com/u/krvarma)\
**Replies:** 1\
**Last updated:** [December 21, 2018, 2:35pm UTC](https://forums.digi.com/t/cellular-3g-global-in-india/19784 "2018-12-21T14:35:30Z")
I am planning to buy XBee Cellular 3G Global. I am located in India, before buying I wanted to confirm it will work in India. Could someone let me know it will work or not? Thanks! -Krishnaraj
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## [Sending data to server using API mode](https://forums.digi.com/t/sending-data-to-server-using-api-mode/19728)
**Author:** [@6565827978](https://forums.digi.com/u/6565827978)\
**Replies:** 0\
**Last updated:** [July 19, 2018, 12:15pm UTC](https://forums.digi.com/t/sending-data-to-server-using-api-mode/19728 "2018-07-19T12:15:00Z")
I have written a program that operates a cellular 3G XBee radio in API mode. The program successfully sends data to a server, and receives Tx Status however, it is rather slow. Approximately 0.25 seconds between transmis…
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## [Unable to establish a PPP connection](https://forums.digi.com/t/unable-to-establish-a-ppp-connection/19460)
**Author:** [@cemit](https://forums.digi.com/u/cemit)\
**Replies:** 4\
**Last updated:** [May 15, 2018, 4:55pm UTC](https://forums.digi.com/t/unable-to-establish-a-ppp-connection/19460 "2018-05-15T16:55:26Z")
Hi everybody, a few years ago I developed an embedded solution where my RCM3700 communicates on internet via the GPRS connection of a Cinterion MC55i terminal. The PPP connection is established through the TCP/IP Dynami…
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## [3G Cellular stops working after a few seconds](https://forums.digi.com/t/3g-cellular-stops-working-after-a-few-seconds/19495)
**Author:** [@xbeefan](https://forums.digi.com/u/xbeefan)\
**Replies:** 0\
**Last updated:** [May 14, 2018, 12:22pm UTC](https://forums.digi.com/t/3g-cellular-stops-working-after-a-few-seconds/19495 "2018-05-14T12:22:53Z")
I am testing an XBee 3G modem (XBXC) and find that it works for a while and then stops, requiring sleep/wake or airplane on/off in order to re-establish the network connection. The MY IP address is maintained and AI stay…
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## [Digi XBee® Cellular 3G: how to configure the authentication username and password](https://forums.digi.com/t/digi-xbee-cellular-3g-how-to-configure-the-authentication-username-and-password/19430)
**Author:** [@jingle.yang](https://forums.digi.com/u/jingle.yang)\
**Replies:** 0\
**Last updated:** [April 24, 2018, 11:58am UTC](https://forums.digi.com/t/digi-xbee-cellular-3g-how-to-configure-the-authentication-username-and-password/19430 "2018-04-24T11:58:50Z")
I have looked through the “Digi XBee Cellular 3G Global Embedded Modem User Guide”, didn’t find the command to configure the authentication username and password in transparent mode. Any help is much appreciated.
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## [Would NDIS off cause session to hang and not reconnect when supplier 3G connection is lost?](https://forums.digi.com/t/would-ndis-off-cause-session-to-hang-and-not-reconnect-when-supplier-3g-connection-is-lost/19399)
**Author:** [@Stevenlr](https://forums.digi.com/u/Stevenlr)\
**Replies:** 1\
**Last updated:** [April 17, 2018, 8:44am UTC](https://forums.digi.com/t/would-ndis-off-cause-session-to-hang-and-not-reconnect-when-supplier-3g-connection-is-lost/19399 "2018-04-17T08:44:40Z")
Hi Guys, Looking for some assistance with a widespread issue we have. We use Digi Transport WR21 routers with a SIM card using the 3G Network on each router. When our 3G supplier has an outage and the connections drop…
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## [unable to construct XBEE 3G IPv4 payload](https://forums.digi.com/t/unable-to-construct-xbee-3g-ipv4-payload/18949)
**Author:** [@ad0rs](https://forums.digi.com/u/ad0rs)\
**Replies:** 4\
**Last updated:** [December 22, 2017, 11:37am UTC](https://forums.digi.com/t/unable-to-construct-xbee-3g-ipv4-payload/18949 "2017-12-22T11:37:28Z")
Hi so I am using XBEE 3G to send data as JSON to a PostgreSQL database on AWS using TX IPv4 however, I don’t know how to construct the payload the example provided by digi consists of simple HTTP GET what I want is H…
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## [How to activate cellular XBee 3G if SIM not supplied by Digi?](https://forums.digi.com/t/how-to-activate-cellular-xbee-3g-if-sim-not-supplied-by-digi/18709)
**Author:** [@arichard](https://forums.digi.com/u/arichard)\
**Replies:** 1\
**Last updated:** [September 11, 2017, 3:58pm UTC](https://forums.digi.com/t/how-to-activate-cellular-xbee-3g-if-sim-not-supplied-by-digi/18709 "2017-09-11T15:58:27Z")
I have a XBee Cellular 3G (XBC-M5-UT-001) with default configuration settings for which I purchased a BELL SIM card (Data plan activated). I can see in Configuration working mode that I have cellular signal strength (DB …
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## [How to activate cellular XBee 3G if SIM not supplied by Digi?](https://forums.digi.com/t/how-to-activate-cellular-xbee-3g-if-sim-not-supplied-by-digi/18593)
**Author:** [@wcconrad](https://forums.digi.com/u/wcconrad)\
**Replies:** 1\
**Last updated:** [July 28, 2017, 3:20pm UTC](https://forums.digi.com/t/how-to-activate-cellular-xbee-3g-if-sim-not-supplied-by-digi/18593 "2017-07-28T15:20:40Z")
I have a XBee Cellular 3G (XBC-M5-UT-001) with default configuration settings for which I purchased a Rogers 4G SIM card (activated). Using XBIB dev board and XCTU, I can see in Configuration working mode that I have ce…
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## [Transparent 3G gateway](https://forums.digi.com/t/transparent-3g-gateway/18079)
**Author:** [@Ef1](https://forums.digi.com/u/Ef1)\
**Replies:** 2\
**Last updated:** [February 28, 2017, 3:33pm UTC](https://forums.digi.com/t/transparent-3g-gateway/18079 "2017-02-28T15:33:25Z")
I have a device with an Xbee ZigBee module on it and there are 20 of these on a floor in a building. I want to interrogate them using an app on a server located remotely miles away. The idea is to send a data request pa…
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## [Random Disconnects on WR11, log in post](https://forums.digi.com/t/random-disconnects-on-wr11-log-in-post/17868)
**Author:** [@Anma004](https://forums.digi.com/u/Anma004)\
**Replies:** 1\
**Last updated:** [January 12, 2017, 6:06pm UTC](https://forums.digi.com/t/random-disconnects-on-wr11-log-in-post/17868 "2017-01-12T18:06:05Z")
Hi I get random disconnects (restarts) from my WR11. There’s a synology NAS connected to it Here are the evenlog from last disconnect: 17:08:35, 08 Jan 2017,WEB Login OK by admin lvl 0 16:51:35, 08 Jan 2017,Network …
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## [Realport cuts out a chunk of data from Connect WAN 3G](https://forums.digi.com/t/realport-cuts-out-a-chunk-of-data-from-connect-wan-3g/17191)
**Author:** [@brusilm](https://forums.digi.com/u/brusilm)\
**Replies:** 1\
**Last updated:** [August 23, 2016, 9:26am UTC](https://forums.digi.com/t/realport-cuts-out-a-chunk-of-data-from-connect-wan-3g/17191 "2016-08-23T09:26:22Z")
During collecting data over virtual Realport port from Connect WAN3G we figured out that Realport cuts out a chunk of data in one of the 100 packages sent. All other packages are good. That “special” package was send out…
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## [do i need a sim if I am not going to use 4G in a 4G WR21 (3G Sprint only)](https://forums.digi.com/t/do-i-need-a-sim-if-i-am-not-going-to-use-4g-in-a-4g-wr21-3g-sprint-only/16374)
**Author:** [@chuckh311](https://forums.digi.com/u/chuckh311)\
**Replies:** 1\
**Last updated:** [March 4, 2016, 5:03am UTC](https://forums.digi.com/t/do-i-need-a-sim-if-i-am-not-going-to-use-4g-in-a-4g-wr21-3g-sprint-only/16374 "2016-03-04T05:03:36Z")
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## [How to enable authentication for private APN](https://forums.digi.com/t/how-to-enable-authentication-for-private-apn/15847)
**Author:** [@totohin](https://forums.digi.com/u/totohin)\
**Replies:** 1\
**Last updated:** [November 25, 2015, 7:08am UTC](https://forums.digi.com/t/how-to-enable-authentication-for-private-apn/15847 "2015-11-25T07:08:15Z")
Hi, We are looking at WR21 to replace the fleet of existing Cisco 819G used to connect some remote devices to the corporate network via the wireless 3G. At the moment we have a private APN create on the carrier network…
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## [How to disable the 2G services but keep 3G/4G](https://forums.digi.com/t/how-to-disable-the-2g-services-but-keep-3g-4g/15608)
**Author:** [@chrda](https://forums.digi.com/u/chrda)\
**Replies:** 1\
**Last updated:** [October 19, 2015, 2:43am UTC](https://forums.digi.com/t/how-to-disable-the-2g-services-but-keep-3g-4g/15608 "2015-10-19T02:43:52Z")
Hey. How can i disable the usage of 2G on the WR21? We use different WAN carrieres behind a router and we want the optimal throughput through 3G and 4G before it switches to the secondary WAN. 2G will not enable us to…
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## [Send SMS every 24 hours](https://forums.digi.com/t/send-sms-every-24-hours/13791)
**Author:** [@mchalec](https://forums.digi.com/u/mchalec)\
**Replies:** 1\
**Last updated:** [October 27, 2014, 5:47pm UTC](https://forums.digi.com/t/send-sms-every-24-hours/13791 "2014-10-27T17:47:00Z")
Hi, I need the Digi Connect WAN 3G to send an SMS to a number every 24 hours. I’ve written a python script to do this, and while sending the SMS from the script isn’t a problem, getting it to repeat is. There isn’t any…
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## [3G Aerial connection for WR-21 (and others?)](https://forums.digi.com/t/3g-aerial-connection-for-wr-21-and-others/12834)
**Author:** [@elaar](https://forums.digi.com/u/elaar)\
**Replies:** 3\
**Last updated:** [May 8, 2014, 10:11am UTC](https://forums.digi.com/t/3g-aerial-connection-for-wr-21-and-others/12834 "2014-05-08T10:11:52Z")
Hi, We have purchased around 550 Digi Transport WR-21s for our depots. We have placed each of these in a Comms cupboard and had external aerials cabled to the outside of the building. We have obviously connected the …
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## [Unable to initialize File Management: unknown error (Code: -87)](https://forums.digi.com/t/unable-to-initialize-file-management-unknown-error-code-87/12548)
**Author:** [@alexneretin](https://forums.digi.com/u/alexneretin)\
**Replies:** 0\
**Last updated:** [February 18, 2014, 9:13am UTC](https://forums.digi.com/t/unable-to-initialize-file-management-unknown-error-code-87/12548 "2014-02-18T09:13:51Z")
Digi Connectcore 3G bring “Unable to initialize File Management: unknown error (Code: -87)” on Python page via WEB UI. How to initialize the Python memory?