First gather all the data from the Windows application. You need to disable the PIN code check on the SIM if you have one. It's easier to use it without PIN. Next you should obtain the APN for the connection. It's saved in the Windows app in the profile. If username & password is used also get t...

First measure the output voltage of the 24vcc psu using a dmm just to be sure that the 24v psu is not faulty. Or try with another psu. Since the routerboard is working with another psu your problem is more psu related.

Try to keep the Info channel open. (link)

Since the limit per post for attached images is three i'm linking the script/scheduler here: L.E Speedtest performed from my phone using direct internet connection and wifi connection over RB411U with EM820w. Same GSM Network Operator (Vodafone), same location and same test server. 5.48Mbps over EM8...

I started this thread for two reasons: first: there are a lot of people who really love mikrotik products and want to use them as 3G Routers (me included) and are unable to find good info regarding supported HW and configuration tips & tricks. second: maybe mikrotik will realise that this featur...

I think that buying, soldering the parts and testing the board will cost you more time and money than ordering a new one with all the ports already installed in the factory.

Consider that the modem interface is USB not mini pci-e. for example, the EU850 which has onboard SIM support can be used in any laptop even without SIM socket. But the interface on the laptop should support USB devices also.

Here it is.

@MTFan No special procedure needed. Just inserted the card in the slot, secured with the two screws, powered the RB411U and the modem was detected by the OS and drivers were loaded. @el berto Yes, indeed i'm using those modems from Dell laptops. Connected them to my laptop using a USB adapter. These...

I just received two Huawei EM820w modems. Setup was easy. Testing is started. I will get back to you in a few days with an update. Mainly i use the combination of RB411U and Novatel EU870D for SCADA and Telemetry and it performs well but since is an old modem the link speed will not pass over 2mbps ...