Difference between revisions of "OpenBTS: E110 GNURadio"

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Line 81: Line 81:
 
  ldconfig
 
  ldconfig
  
−
Hack sedikit
 
  
−
  cp /usr/local/bin/uhd_* /usr/bin/
+
===Install Image 003.004.002-180-gb6bb13bc===
−
  cp ~/src/uhd.git/host/build/lib/libuhd.so* /usr/lib
+
 
−
cp -Rf /usr/share/uhd/images/ /usr/local/share/uhd/
+
  rm -Rf /usr/share/uhd/images/*
 +
rm -Rf /usr/local/share/uhd/images/*
 +
  cd ~
 +
tar zxvf uhd-images_003.004.002-180-gb6bb13bc.tar.gz
 +
mv ~/uhd-images_003.004.002-180-gb6bb13bc/share/uhd/images/* /usr/local/share/uhd/images/
 +
 
 +
 
 +
===Perbaiki PATH===
 +
 
 +
PATH=$PATH:/usr/local/bin
 +
export PATH
  
 
===Test===
 
===Test===
  
−
Test
+
Test clock 52MHz
 +
 
 +
cd /usr/local/bin
 +
./uhd_usrp_probe --args="master_clock_rate=52e6"
 +
 
 +
Hasilnya
 +
 
 +
linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500; UHD_003.004.003-175-g09de3c07
 +
 +
-- Opening device node /dev/usrp_e0...
 +
-- Initializing FPGA clock to 52.000000MHz...
 +
-- USRP-E100 clock control: 12
 +
--  r_counter: 2
 +
--  a_counter: 4
 +
--  b_counter: 19
 +
--  prescaler: 8
 +
--  vco_divider: 2
 +
--  chan_divider: 15
 +
--  vco_rate: 1560.000000MHz
 +
--  chan_rate: 780.000000MHz
 +
--  out_rate: 52.000000MHz
 +
--
 +
.. dst
 +
 
 +
Test Benchmark
  
 
  cd ~/src/uhd.git/host/build/examples
 
  cd ~/src/uhd.git/host/build/examples
−
  ./benchmark_rx_rate
+
  ./benchmark_rate --rx_rate 1000000 --tx_rate 1000000
  
 
Hasilnya kira-kira
 
Hasilnya kira-kira
  
−
  Testing receive rate 0.500000 Msps (10.000000 second run)
+
  linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500; UHD_003.004.003-175-g09de3c07
 
   
 
   
−
     Received packets: 9882
+
Creating the usrp device with: ...
−
     Received samples: 5000292
+
-- Opening device node /dev/usrp_e0...
−
     Lost samples: 0
+
-- Initializing FPGA clock to 64.000000MHz...
−
     Lost packets: 0 (approximate)
+
-- USRP-E100 clock control: 10
−
     Sustained receive rate: 0.500000 Msps 
+
--  r_counter: 2
 +
--  a_counter: 0
 +
--  b_counter: 20
 +
--  prescaler: 8
 +
--  vco_divider: 5
 +
--  chan_divider: 5
 +
--  vco_rate: 1600.000000MHz
 +
--  chan_rate: 320.000000MHz
 +
--  out_rate: 64.000000MHz
 +
--
 +
-- Performing wishbone readback test... pass
 +
Using Device: Single USRP:
 +
  Device: E-Series Device
 +
  Mboard 0: E110
 +
  RX Channel: 0
 +
     RX DSP: 0
 +
     RX Dboard: A
 +
     RX Subdev: RFX1800 RX
 +
  TX Channel: 0
 +
     TX DSP: 0
 +
     TX Dboard: A
 +
    TX Subdev: RFX1800 TX
 
   
 
   
−
  Testing receive rate 1.000000 Msps (10.000000 second run)
+
Testing receive rate 1.000000 Msps
 +
Testing transmit rate 1.000000 Msps
 
   
 
   
−
    Received packets: 19763                 
+
Benchmark rate summary:
−
    Received samples: 10000078             
+
  Num received samples:   9996012
−
    Lost samples: 0                        
+
  Num dropped samples:     0
−
    Lost packets: 0 (approximate)           
+
  Num overflows detected: 0
−
    Sustained receive rate: 1.000000 Msps    
+
  Num transmitted samples: 10254075
 +
  Num sequence errors:     0
 +
   Num underflows detected: 0
 
   
 
   
−
  (continued)
+
  Done!
  
 
==Compile GNURadio==
 
==Compile GNURadio==
 +
 +
Untuk mengoperasikan OpenBTS di E110 kita tidak perlu menggunakan Gnuradio.
 +
 +
 +
  
 
'''Cara ini tampaknya aman'''
 
'''Cara ini tampaknya aman'''
Line 170: Line 232:
  
 
* [[OpenBTS]]
 
* [[OpenBTS]]
 +
* [[OpenBTS: Arsitektur secara umum]]
  
 
===Persiapan===
 
===Persiapan===
Line 181: Line 244:
 
* [[USRP: Rangkaian Board USRP]]
 
* [[USRP: Rangkaian Board USRP]]
 
* [[OpenBTS: Tethr untuk Bencana Alam]]
 
* [[OpenBTS: Tethr untuk Bencana Alam]]
 +
* [[USRP: Tip Pemesanan]]
  
 
===OpenBTS 2.6===
 
===OpenBTS 2.6===
Line 189: Line 253:
 
* [[GNURadio: Ubuntu Install GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu Install GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu Install GNURadio 3.4.2 Clock 52MHz]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu Install GNURadio 3.4.2 Clock 52MHz]] '''RECOMMENDED'''
 +
* [[GNURadio: Ubuntu 13.04 Install GNURadio 3.4.2 Clock 52MHz]] ''NOT RECOMMENDED''
 
* [[GNURadio: Contoh Aplikasi]]
 
* [[GNURadio: Contoh Aplikasi]]
 
* [[GNURadio: Spectrum Analizer GSM]]
 
* [[GNURadio: Spectrum Analizer GSM]]
Line 195: Line 260:
 
* [[OpenBTS: Ubuntu Install]] '''RECOMMENDED'''
 
* [[OpenBTS: Ubuntu Install]] '''RECOMMENDED'''
 
* [[OpenBTS: Ubuntu Install OpenBTS 2.6 Clock 52MHz]] '''RECOMMENDED'''
 
* [[OpenBTS: Ubuntu Install OpenBTS 2.6 Clock 52MHz]] '''RECOMMENDED'''
 +
* [[OpenBTS: Ubuntu 13.04 Install OpenBTS 2.6 Clock 52MHz]] ''NOT RECOMMENDED''
 
* [[OpenBTS: Konfigurasi]] '''RECOMMENDED'''
 
* [[OpenBTS: Konfigurasi]] '''RECOMMENDED'''
 
* [[OpenBTS: Kalibrasi]]
 
* [[OpenBTS: Kalibrasi]]
Line 215: Line 281:
 
* [[GNURadio: Install UHD]]
 
* [[GNURadio: Install UHD]]
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.3.0]]
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.3.0]]
 +
* [[GNURadio: Ubuntu 12.10 Instal GNURadio 3.3.0]]
 +
* [[GNURadio: Ubuntu 12.10 Instal GNURadio 3.4.1]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu 12.04 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu 12.04 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 +
* [[GNURadio: Ubuntu 12.04.1 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 +
* [[GNURadio: Ubuntu 12.10 Instal GNURadio 3.4.2]] ''NOT RECOMMENDED''
 +
* [[GNURadio: Ubuntu 13.04 Instal GNURadio 3.4.2]] '''RECOMMENDED'''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.5.0]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.5.0]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.5.3.2]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 Instal GNURadio 3.5.3.2]] ''NOT RECOMMENDED''
Line 222: Line 293:
 
* [[GNURadio: Ubuntu 11.10 Install dari GIT GNURadio]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 Install dari GIT GNURadio]] ''NOT RECOMMENDED''
 
* [[GNURadio: Ubuntu 11.10 cek USRP Daughter Board]]
 
* [[GNURadio: Ubuntu 11.10 cek USRP Daughter Board]]
−
* [[GNURadio: UHD]]
+
* [[GNURadio: UHD]] ''NOT RECOMMENDED''
−
* [[GNURadio: UHD Image]]
+
* [[GNURadio: UHD Image]] ''NOT RECOMMENDED''
 +
* [[GNURadio: UHD burn EEPROM RFX Board di USRP1]] ''NOT RECOMMENDED''
 
* [[GNURadio: UHD Identifikasi Device]]
 
* [[GNURadio: UHD Identifikasi Device]]
 
* [[OpenBTS: Ubuntu 11.10 Install]]
 
* [[OpenBTS: Ubuntu 11.10 Install]]
Line 229: Line 301:
 
* [[OpenBTS: 2.8 dari SVN Install]]
 
* [[OpenBTS: 2.8 dari SVN Install]]
 
* [[OpenBTS: 2.8 dari SVN Install Clock 52MHz]] '''RECOMMENDED'''
 
* [[OpenBTS: 2.8 dari SVN Install Clock 52MHz]] '''RECOMMENDED'''
 +
* [[OpenBTS: 2.8 dari SVN Install Clock 52MHz di Ubuntu 12.10]] '''RECOMMENDED'''
 +
* [[OpenBTS: 2.8 dari SVN Install Clock 52MHz di Ubuntu 13.04]] '''RECOMMENDED'''
 +
* [[OpenBTS: 2.8 dari SVN Install Clock 52MHz dengan UHD tanpa GNURadio]] ''NOT RECOMMENDED''
 
* [[OpenBTS: 2.8 Edit User di sqlite3.db]] '''RECOMMEND'''
 
* [[OpenBTS: 2.8 Edit User di sqlite3.db]] '''RECOMMEND'''
−
* [[OpenBTS: Yate Softswitch]]
+
* [[OpenBTS: Yate Softswitch]] '''RECOMMENDED'''
 +
* [[OpenBTS: Yate Softswitch install Ubuntu 12.10]] '''RECOMMENDED'''
 +
* [[OpenBTS: Yate Softswitch install Ubuntu 13.04]] '''RECOMMENDED'''
 
* [[OpenBTS: Yate Config Test]]
 
* [[OpenBTS: Yate Config Test]]
 
* [[OpenBTS: 2.8 Instalasi Real Time Asterisk]] '''RECOMMENDED'''
 
* [[OpenBTS: 2.8 Instalasi Real Time Asterisk]] '''RECOMMENDED'''
Line 240: Line 317:
 
===Multi OpenBTS 2.8===
 
===Multi OpenBTS 2.8===
  
−
* [[OpenBTS: Pola Multi OpenBTS]]
+
* [[OpenBTS: Pola Multi OpenBTS]] '''RECOMMENDED'''
 +
* [[Multi OpenBTS: Catatan Konfigurasi]] '''RECOMMENDED'''
  
 
===Ettus E110===
 
===Ettus E110===
Line 249: Line 327:
 
* [[OpenBTS: E110 Mengubah Master Clock]]
 
* [[OpenBTS: E110 Mengubah Master Clock]]
 
* [[OpenBTS: E110 Kalibrasi Clock]]
 
* [[OpenBTS: E110 Kalibrasi Clock]]
 +
* [[OpenBTS: E110 Konfigurasi Jaringan]]
 
* [[OpenBTS: E110 Bekerja dengan opkg]]
 
* [[OpenBTS: E110 Bekerja dengan opkg]]
−
* [[OpenBTS: E110 GNURadio]] '''*RECOMMENDED*'''
+
* [[OpenBTS: E110 GNURadio]]
−
* [[OpenBTS: E110 Install UHD Image]] '''*RECOMMENDED*'''
+
* [[OpenBTS: E110 Compile UHD]] ''Not Recommended''
 +
* [[OpenBTS: E110 Compile UHD dari Release Bukan git]] ''Not Recommended''
 +
* [[OpenBTS: E110 UHD burn EEPROM RFX Board]] ''Not Recommended''
 +
* [[OpenBTS: E110 Install UHD Image]] ''Not Recommended''
 
* [[OpenBTS: E110 Instalasi OpenBTS]]
 
* [[OpenBTS: E110 Instalasi OpenBTS]]
 
* [[OpenBTS: E110 Instalasi OpenBTS 2.6]] ''NOT RECOMMENDED''
 
* [[OpenBTS: E110 Instalasi OpenBTS 2.6]] ''NOT RECOMMENDED''
 
* [[OpenBTS: E110 Instalasi OpenBTS 2.8 untuk MultiBTS]] '''*RECOMMENDED*'''
 
* [[OpenBTS: E110 Instalasi OpenBTS 2.8 untuk MultiBTS]] '''*RECOMMENDED*'''
 +
* [[OpenBTS: E110 Yate Softswitch]]
 +
 +
===Ettus N210===
 +
 +
* [[OpenBTS: N210 Instalasi GPSDO Kit]]
 +
* [[OpenBTS: N210 GNURadio]]
 +
* [[OpenBTS: N210 GNURadio 3.7.0]]
 +
* [[OpenBTS: N210 Instalasi OpenBTS]]
 +
* [[OpenBTS: N210 Instalasi Yate]]
 +
* [[OpenBTS: N210 Yate Config Test]]
 +
* [[OpenBTS: N210 Burn Firmware]]
 +
 +
===GPRS===
 +
 +
* [[OpenBTS: GPRS]]
 +
 +
===Briker OpenBTS===
 +
 +
* [[OpenBTS: Briker]]
 +
 +
===FreeSWITCH OpenBTS===
 +
 +
* [[OpenBTS: FreeSWITCH]]
  
 
===Power Amplifier===
 
===Power Amplifier===
Line 261: Line 366:
 
* [[Power Amplifier 900MHz]]
 
* [[Power Amplifier 900MHz]]
 
* [[Duplexer]]
 
* [[Duplexer]]
 +
* [[OpenBTS: Menaikan Jangkauan OpenBTS]]
  
 
===Lain Lain===
 
===Lain Lain===
Line 291: Line 397:
 
* [[OpenBTS: Daftar Workshop atau Seminar yang pernah dilakukan]]
 
* [[OpenBTS: Daftar Workshop atau Seminar yang pernah dilakukan]]
 
* [[OpenBTS: Daftar Artikel di Media]]
 
* [[OpenBTS: Daftar Artikel di Media]]
 +
* [[OpenBTS: Permohonan Kanal dan DID untuk OpenBTS]]
 +
* [[OpenBTS: 2013/02/19 - OpenBTS TelkomSel Mengudara di Muscat Oman]]
  
 
===Dokumentasi Video===
 
===Dokumentasi Video===
  
 +
* http://www.metrotvnews.com/read/newsprograms/2012/10/14/14624/212/Teknologi-BTS
 
* http://youtu.be/8ogOcUSpINU (1/6)
 
* http://youtu.be/8ogOcUSpINU (1/6)
 
* http://youtu.be/F5d7HGuhppk (2/6)
 
* http://youtu.be/F5d7HGuhppk (2/6)

Latest revision as of 08:32, 23 August 2013

Tergantung versi SD Card yang kita miliki, kadang kala GNURadio sudah terinstalasi.

Cek GNURadio

Menggunakan gnuradio-config-info 

gnuradio-config-info 

Program options: gnuradio [options]:
  -h [ --help ]         print help message
  --prefix              print gnuradio installation prefix
  --sysconfdir          print gnuradio system configuration directory
  --prefsdir            print gnuradio preferences directory
  --builddate           print gnuradio build date (RFC2822 format)
  -v [ --version ]      print gnuradio version

cek sysconf directory 

gnuradio-config-info --sysconfdir

/usr/etc

cek kapan dibuat 

gnuradio-config-info --builddate

hasilnya 

Wed, 07 Dec 2011 21:58:55

cek prefix 

gnuradio-config-info --prefix

hasilnya 

/usr

Alternatif Cara Cek

Cek menggunakan perintah 

updatedb &
locate gr-
locate gnuradio
locate usrp
locate uhd

Jika ada hasilnya maka GNURadio sudah terinstalasi. Jika tidak ada, maka GNURadio belum terinstalasi.

Compile UHD

Download

opkg remove --force-depends uhd uhd-dev uhd-examples uhd-tests
echo "/usr/local/lib" >> /etc/ld.so.conf
cd ~/src
git clone git://ettus.sourcerepo.com/ettus/uhd.git uhd.git

Compile

cd ~/src/uhd.git/host/
mkdir build
cd ~/src/uhd.git/host/build
cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a8_native.cmake -DENABLE_E100=ON -DENABLE_USRP_E_UTILS=TRUE -DENABLE_USRP2=OFF -DENABLE_USRP1=OFF -DENABLE_B100=OFF ../
make
make test
make install
ldconfig

atau 

cd ~/src/uhd.git/host/
mkdir build
cd ~/src/uhd.git/host/build
cmake -DCMAKE_CXX_FLAGS:STRING="-mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp -g" -DENABLE_USRP_E100=TRUE -DENABLE_E100=ON -DENABLE_USRP_E_UTILS=TRUE -DENABLE_USB=OFF -DENABLE_USRP2=OFF ../
make
make test
make install
ldconfig


Install Image 003.004.002-180-gb6bb13bc

rm -Rf /usr/share/uhd/images/*
rm -Rf /usr/local/share/uhd/images/*
cd ~
tar zxvf uhd-images_003.004.002-180-gb6bb13bc.tar.gz
mv ~/uhd-images_003.004.002-180-gb6bb13bc/share/uhd/images/* /usr/local/share/uhd/images/


Perbaiki PATH

PATH=$PATH:/usr/local/bin
export PATH

Test

Test clock 52MHz 

cd /usr/local/bin
./uhd_usrp_probe --args="master_clock_rate=52e6"

Hasilnya 

linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500; UHD_003.004.003-175-g09de3c07

-- Opening device node /dev/usrp_e0...
-- Initializing FPGA clock to 52.000000MHz...
-- USRP-E100 clock control: 12
--   r_counter: 2
--   a_counter: 4
--   b_counter: 19
--   prescaler: 8
--   vco_divider: 2
--   chan_divider: 15
--   vco_rate: 1560.000000MHz
--   chan_rate: 780.000000MHz
--   out_rate: 52.000000MHz
-- 
.. dst

Test Benchmark 

cd ~/src/uhd.git/host/build/examples
./benchmark_rate --rx_rate 1000000 --tx_rate 1000000

Hasilnya kira-kira 

linux; GNU C++ version 4.5.3 20110311 (prerelease); Boost_104500; UHD_003.004.003-175-g09de3c07

Creating the usrp device with: ...
-- Opening device node /dev/usrp_e0...
-- Initializing FPGA clock to 64.000000MHz...
-- USRP-E100 clock control: 10
--   r_counter: 2
--   a_counter: 0
--   b_counter: 20
--   prescaler: 8
--   vco_divider: 5
--   chan_divider: 5
--   vco_rate: 1600.000000MHz
--   chan_rate: 320.000000MHz
--   out_rate: 64.000000MHz
-- 
-- Performing wishbone readback test... pass
Using Device: Single USRP:
  Device: E-Series Device
  Mboard 0: E110
  RX Channel: 0
    RX DSP: 0
    RX Dboard: A
    RX Subdev: RFX1800 RX
  TX Channel: 0
    TX DSP: 0
    TX Dboard: A
    TX Subdev: RFX1800 TX

Testing receive rate 1.000000 Msps
Testing transmit rate 1.000000 Msps

Benchmark rate summary:
  Num received samples:    9996012
  Num dropped samples:     0
  Num overflows detected:  0
  Num transmitted samples: 10254075
  Num sequence errors:     0
  Num underflows detected: 0

Done!

Compile GNURadio

Untuk mengoperasikan OpenBTS di E110 kita tidak perlu menggunakan Gnuradio.



Cara ini tampaknya aman 

opkg remove --force-depends gnuradio gnuradio-dev gnuradio-examples task-gnuradio
cd ~/src
git clone git://gnuradio.org/git/gnuradio.git gnuradio.git
cd ~/src/gnuradio.git
mkdir build
cd ~/src/gnuradio.git/build
cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a8_native.cmake -DQT_QTCORE_INCLUDE_DIR=/usr/include/qt4/QtCore -DQT_QTGUI_INCLUDE_DIR=/usr/include/qt4/QtGui -DQT_QMAKE_EXECUTABLE=/usr/bin/qmake -DENABLE_GR_QTGUI=ON  -DQT_LIBRARY_DIR=/usr/lib -DQT_INCLUDE_DIR=/usr/include/qt4/ -DQT_MOC_EXECUTABLE=/usr/bin/moc -DQT_UIC_EXECUTABLE=/usr/bin/uic -DQT_RCC_EXECUTABLE=/usr/bin/rcc -DCMAKE_BUILD_TYPE=release  ../
make
make install
ldconfig

ALTERNATIF LAIN

buat script 

clean-build-gnuradio

Berisi 

#!/bin/sh

cd ~/src/gnuradio.git &&
rm -rf build &&
mkdir build &&
cd build &&
cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a8_native.cmake -DQT_QTCORE_INCLUDE_DIR=/usr/include/qt4/QtCore -DQT_QTGUI_INCLUDE_DIR=/usr/include/qt4/QtGui -DQT_QMAKE_EXECUTABLE=/usr/bin/qmake  -DENABLE_GR_QTGUI=ON -DQT_LIBRARY_DIR=/usr/lib -DQT_INCLUDE_DIR=/usr/include/qt4/ -DQT_MOC_EXECUTABLE=/usr/bin/moc -DQT_UIC_EXECUTABLE=/usr/bin/uic -DQT_RCC_EXECUTABLE=/usr/bin/rcc -DQT_QTCORE_LIBRARY=/usr/lib/libQtCore.so -DCMAKE_BUILD_TYPE=release  ../ &&
make &&
make test &&
make install

ALTERNATIF LAIN LAGI

WARNING: Cara ini tidak bisa. Entah kenapa ./bootstrap & ./configure tidak ada. 

cd ~/src
git clone git://gnuradio.org/gnuradio.git gnuradio.git
cd ~/src/gnuradio.git
./bootstrap
./configure --enable-uhd --disable-volk --disable-usrp2 --disable-usrp1 --disable-gr-video-sdl CFLAGS="-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -O3" CXXFLAGS="-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -O3" -with-qwt-incdir=/usr/include --enable-gr-wxgui
make
make check
make install
ldconfig

Referensi

Pranala Menarik

Persiapan

OpenBTS 2.6

OpenBTS 2.8

Multi OpenBTS 2.8

Ettus E110

Ettus N210

GPRS

Briker OpenBTS

FreeSWITCH OpenBTS

Power Amplifier

Lain Lain

Catatan Legal dan Pendukung

Catatan Sejarah

Dokumentasi Video

Retrieved from "https://onnocenter.or.id/wiki/index.php?title=OpenBTS:_E110_GNURadio&oldid=38177"