Astrometa DVB-T2 USB tuner

There are 4 replies in this Thread which was already clicked 4,938 times. The last Post () by ilcorsaronerro.

  • Hello,


    Background info:

    Box: Zgemma HS (Single tuner DVB-S2)

    Image: OpenATV 6.0 (kernel 4.10.6)

    USB tuner: Astrometa DVB-T/T2/C linux driver available in kernel since kernel 4.6 http://blog.palosaari.fi/2013/…-dvb-t2-usb-tv-stick.html


    I've installed enigma2-plugin-drivers-dvb-usb-rtl2832 & kernel-module-mn88472 so when I plug the tuner it's recognized, dmesg:

    [ 7559.199000] usb 1-1: new high-speed USB device number 4 using ehci-brcm

    [ 7559.465000] usb 1-1: dvb_usb_v2: found a 'Astrometa DVB-T2' in warm state

    [ 7559.545000] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer
    [ 7559.546000] dvbdev: DVB: registering new adapter (Astrometa DVB-T2)
    [ 7559.600000] i2c i2c-7: Added multiplexed i2c bus 8
    [ 7559.600000] rtl2832 7-0010: Realtek RTL2832 successfully attached
    [ 7559.655000] mn88472 7-0018: Panasonic MN88472 successfully identified
    [ 7559.655000] usb 1-1: DVB: registering adapter 1 frontend 0 (Realtek RTL2832 (DVB-T))...
    [ 7559.656000] usb 1-1: DVB: registering adapter 1 frontend 1 (Panasonic MN88472)...
    [ 7559.714000] r820t 8-003a: creating new instance
    [ 7559.722000] r820t 8-003a: Rafael Micro r820t successfully identified
    [ 7559.722000] r820t 8-003a: attaching existing instance
    [ 7559.728000] r820t 8-003a: Rafael Micro r820t successfully identified
    [ 7559.749000] Registered IR keymap rc-empty
    [ 7559.750000] input: Astrometa DVB-T2 as /devices/platform/ehci-brcm.0/usb1/1-1/rc/rc1/input5
    [ 7559.751000] rc rc1: Astrometa DVB-T2 as /devices/platform/ehci-brcm.0/usb1/1-1/rc/rc1
    [ 7559.757000] usb 1-1: dvb_usb_v2: schedule remote query interval to 200 msecs
    [ 7559.767000] usb 1-1: dvb_usb_v2: 'Astrometa DVB-T2' successfully initialized and connected


    DVB-T is working fine (RTL2832). I'm having a problem getting the DVB-T2 to work. The MN88472 is responsible for DVB-T2/C. When I go to tuner configuration I can see the tuner listed as dvbt2 (DVB-T). How do I switch from RTL2832 to MN88472 so I can use the DVB-T2 frontend?

  • master G

    Added the Label DVB-T/T2 USB Tuner
  • Did you have any luck with this? I just bought the same tuner from ali: https://pl.aliexpress.com/item…042311.0.0.f5555c0fOer0Yn


    and I can't get it to work even in DVB-T mode on my AX HD 51 tuner with OpenATV 6.3 image, the tuner is detected with the rtl2832 plugin but no picture and sound, I also can't find any programs. My old AS-102 works fine on the same cable.


    Right now I have no DVB-T2 MUX in my area, but that will change in a month or so. The tuner is cheap (about $12) and would be great as an DVB-T2 tuner in Enigma2 images.

  • Did you have any luck with this? I just bought the same tuner from ali: https://pl.aliexpress.com/item…042311.0.0.f5555c0fOer0Yn


    and I can't get it to work even in DVB-T mode on my AX HD 51 tuner with OpenATV 6.3 image, the tuner is detected with the rtl2832 plugin but no picture and sound, I also can't find any programs. My old AS-102 works fine on the same cable.


    Right now I have no DVB-T2 MUX in my area, but that will change in a month or so. The tuner is cheap (about $12) and would be great as an DVB-T2 tuner in Enigma2 images.


    I have the same problem with the 2018 version with Sony CXD2837 demod. The DVB-T part is not working, even if the device is correctly recognized but it cannot find channels.. It's a problem of driver.. On Windows, with the same device, it works but when I test the device with Prog Finder to see SNR and AGC, the device has not SNR percentage, only AGC control and percentage, but it finds channels. SO I think this is the problem for Enigma2 driver, absence of SNR... Anyone solved? In my country there is still DVB-T until 2023.. After that it will be necessary to change RTL2832 driver with thispatch to have the CXD2837 recognized as DVB-T2 demod, but the problem will persist even in DVB-T2 mode, if SNR problem is still there, I think...
    My kernel is 4.4.35

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