TRB 500 Firmware

Hello, can you please send me the link for the latest device firmware. This is RG501QEUAAR12A11M4G_04.200.04.200 or higher.
When I try with the modem_updater -g I only get these, which are older than the one already installed.

modem_updater -g
[INFO] Detected MODEM_N: 0
Modem List:
[0] Quectel RG501Q-EU
Salt | USB_ID: 3-1 | Firmware: RG501QEUAAR12A09M4G_04.200.00.000 | builtin:true
Available versions (highest version number first):
RG501QEUAAR12A08M4G_04.001.04.001
RG501QEUAAR12A07M4G_04.001.04.001

Kind regards
Thomas Herz

Hello,

Could you please specify why you would like to update the modem firmware? Are you experiencing any mobile connectivity issues? Please provide more details so we can assist you better.

Thank you.

Best regards,

As I wrote in previous posts, 1. the throughput is unsatisfactory. The phone always has at least 30% more throughput than the TRB500. 2. The modem sometimes crashes and I have to restart it. I was hoping that it would work better with a new firmware.

Thank you for the information.

I have sent you a form to fill out. Once completed, I will contact you privately regarding this matter. For the ticket ID, please use “11586.”

Best regards,

Hey Marija.

I am experiencing exactly the same issue as Thomas. On my iphone i can get stable speeds of up to 600mbit/s download and 30-100 mbit/s upload consistently. But with TRB500 i have around 50-100 mbit/s download 50-80 mbit/s download. The TRB500 in unable to hold on to band 5G n78, whereas my iphone have no problem with it. I have a poynting xpol-24 4x4 5g/lte mounted on my roof and I have tried both with the antenna and without, same result.

Could I also get the latest firmware for the modem?

I’m currently running:

  • Firmware version
    TRB500_R_00.07.11.3
  • Firmware build date
    2024-12-13 13:47:33
  • Internal modem firmware version
    RG501QEUAAR12A08M4G_04.200.00.000
  • Kernel version
    4.14.336

Best regards,
Christopher Dalsgaard

Hello @tom @chris-d ,

Regarding the speed differences, several factors could be contributing to this. Phone manufacturers often use modems with significantly different architectures compared to our devices. Additionally, phone modems typically belong to higher LTE categories and are capable of aggregating more bands simultaneously.

This article provides more detailed insights: LTE Speed Discrepancies - Teltonika Networks Wiki.

To better understand why you may be experiencing poorer speeds, please check the signal reception level. Poor signal strength can significantly degrade performance. Recommendations regarding optimal signal levels can be found here: Mobile Signal Strength Recommendations. Current signal levels can be checked in Status → Network → Mobile in the WebUI.

Additionally, during peak hours, base stations might struggle to handle all clients, or their backbone connection may not be fast enough to support the demand.

You could try whitelisting the n78 band for 5G, as the router might be selecting a band with a stronger signal but narrower bandwidth. An example of how to configure band locking can be found here: Band Lock - Teltonika Networks Wiki.

However, if the device remains on 4G after whitelisting the n78 band, it likely means that the band is unavailable in your location. In such cases, we recommend testing a different operator, as they may have better coverage in your area.

Additional recommendations:

  • Test the speed using a PC connected directly to the TRB500 rather than the WebUI speed testing utility.
  • Test the SIM card currently used in the gateway on your phone and check the speeds.

Best regards,

Is there already more information about the issue “TRB 500 has substantially lower speed in Passthrough mode than in NAT mode”?
In Passthrough mode the CPU maxes out at ~200-250 Mbit/s, well below the speed the 5G provider supports. In NAT mode it achieves much higher speed (contrary to what one would expect, as NAT has to make modifications in each packet).

Hey Marija

Thank you for your reply!

I am running the tests from a laptop connected directly to the modem, no other devices are connected. I have tried the sim card in the same iphone and I am able to get speeds of 600 mbits on there.

I understand that there is different technologies at play in the iphone16 vs trb500, Im guessing the iphone has a newer chip. But I would still expect the TRB500 to get better speeds since it has a newer 5g chip with carrier aggregation availble.

In regards to speedtest. I have tried at many different times of the day, and it should be noted that even during the evening around 18.00 at what I would assum is a peak time, I can get around 450-600 mbits on my phone. But maximum 80-150 mbits with the trb500.

I am able to connect to 5G. However, I am suspecting that band n78 is too far out for me to get a stable connection. I have approximately 4km to the basestation with free line of sight. Therefore I have removed it from the allowed bands in the connections page. So I only have band n1 on 5G, and n3 and n7 on 4G (All high capacity bands). We have band n1, n78, n28, n20, n3, n7 and n20 availble out here.

I have attached my signal strength from the router and my phone here for reference.



I have also tried to run ONLY on 4G connections and also get simular speeds between 80-150mbits.

I was hoping a update of the modem to latest firmware would solve some issues. Do you have any other suggestions?

Best regards,
Christopher Dalsgaard