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advanced-wireless [2023/01/16 09:32] – m_arsadvanced-wireless [2023/01/27 09:40] – [Turbo QAM] m_ars
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 Country code AND rev(ision) define the possible channel list, power and other regulations for each country. The current wireless driver (year 2020 and newer) supports approximately 290 countries and 2000 combinations of country code and revision. Country code AND rev(ision) define the possible channel list, power and other regulations for each country. The current wireless driver (year 2020 and newer) supports approximately 290 countries and 2000 combinations of country code and revision.
  
-//Example Country / Region and Country Rev choices (ARM Router)://+**Please See & Help:** [[https://www.linksysinfo.org/index.php?threads/country-code-country-rev-collection-for-freshtomato.77788/|Country Code / Country Rev Collection for FreshTomato]] 
 + 
 +//SDK6 Example Country / Region and Country Rev choices (ARM Router)://
  
-  * CY / 4 - Country: CY (Cyprus) AND Country Rev: 4 
-  * CZ / 4 - Country: CZ (Czech Republic) AND Country Rev: 4 
   * EU / 13 - Country: EU (Europe) AND Country Rev: 13 (Asus default setup for Germany and SDK6 router RT-N18U, RT-AC56U, RT-AC68U C1)   * EU / 13 - Country: EU (Europe) AND Country Rev: 13 (Asus default setup for Germany and SDK6 router RT-N18U, RT-AC56U, RT-AC68U C1)
 +  * EU / 13 - Country: EU (Europe) AND Country Rev: 13 (Asus default setup for Germany and SDK6 router RT-N18U, RT-AC56U, RT-AC68U C1)
 +  * EU / 13 - Country: EU (Europe) AND Country Rev: 13 (Asus default setup for UK [alias "EU"] and SDK6 router RT-AC68U C1 - Bought in: UK)
   * EU / 33 - Country: EU (Europe) AND Country Rev: 33 (Asus default setup for Germany and SDK6 router RT-AC66U_B1)   * EU / 33 - Country: EU (Europe) AND Country Rev: 33 (Asus default setup for Germany and SDK6 router RT-AC66U_B1)
-  * EU / 53 - Country: EU (Europe) AND Country Rev: 53 
-  * EU / 78 - Country: EU (Europe) AND Country Rev: 78 
-  * DE / 7 - Country: DE (Germany) AND Country Rev: 7 
-  * PL / 4 - Country: PL (Poland) AND Country Rev: 4 
-  * FR / 5 - Country: FR (France) AND Country Rev: 5 
-  * GB / 6 - Country: GB (Great Britain) AND Country Rev: 6 
-  * FI / 4 - Country: FI (Finland) AND Country Rev: 4 
-  * HU / 4 - Country: HU (Hungary) AND Country Rev: 4 
-  * ES / 4 - Country: ES (Spain) AND Country Rev: 4 
-  * IT / 4 - Country: IT (Italy) AND Country Rev: 4 
   * US / 0 - Country: US (USA) AND Country Rev: 0 (Asus default setup for USA and SDK6 router RT-AC68U A1/A2)   * US / 0 - Country: US (USA) AND Country Rev: 0 (Asus default setup for USA and SDK6 router RT-AC68U A1/A2)
-  * Q2 / 96 - Country: Q2 (USA) AND Country Rev: 96 (Asus default setup for USA and SDK7 router RT-AC3200)+  * US / 0 - Country: US (USA) AND Country Rev: 0 (Asus default setup for Canada and SDK6 router RT-AC68U A2 - Bought in: Canada)
   * Q2 / 33 - Country: Q2 (USA) AND Country Rev: 33 (Asus default setup for USA and SDK6 router RT-AC68U C1)   * Q2 / 33 - Country: Q2 (USA) AND Country Rev: 33 (Asus default setup for USA and SDK6 router RT-AC68U C1)
   * Q2 / 40 - Country: Q2 (USA) AND Country Rev: 40 (Asus default setup for USA and SDK6 router RT-AC68U B1/B2)   * Q2 / 40 - Country: Q2 (USA) AND Country Rev: 40 (Asus default setup for USA and SDK6 router RT-AC68U B1/B2)
   * Q2 / 61 - Country: Q2 (USA) AND Country Rev: 61 (Asus default setup for USA and SDK6 router RT-AC66U_B1 / RT-AC1750_B1)   * Q2 / 61 - Country: Q2 (USA) AND Country Rev: 61 (Asus default setup for USA and SDK6 router RT-AC66U_B1 / RT-AC1750_B1)
-  * CA / 223 - Country: CA (Canada) AND Country Rev: 223 +  * CA / 58 - Country: CA (Canada) AND Country Rev: 58 (Asus default setup for Canada and SDK6 router RT-AC1900P)
-  * BR / 17 - Country: BR (Brazil) AND Country Rev: 17 +
-  * BR / 20 - Country: BR (Brazil) AND Country Rev: 20 +
-  * RU / 50 - Country: RU (Russia) AND Country Rev: 50 +
-  * CN / 38 - Country: CN (China) AND Country Rev: 38 +
-  * CN / 224 - Country: CN (China) AND Country Rev: 224 +
-  * AU / 43 - Country: AU (Australia) AND Country Rev: 43 +
-  * AU / 44 - Country: AU (Australia) AND Country Rev: 44+
   * SG / 12 - Country: SG (Singapore) AND Country Rev: 12 (default *)   * SG / 12 - Country: SG (Singapore) AND Country Rev: 12 (default *)
 +
 +//SDK7 Example Country / Region and Country Rev choices (ARM Router)://
 +
 +  * E0 / 989 - Country: E0 AND Country Rev: 989 (Asus default setup for UK [alias "E0"] and SDK7 router RT-AC3200 - Bought in: UK)
 +  * Q2 / 96 - Country: Q2 (USA) AND Country Rev: 96 (Asus default setup for USA and SDK7 router RT-AC3200)
 +  * SG / 12 - Country: SG (Singapore) AND Country Rev: 12 (default *)
 +
 +//SDK714 Example Country / Region and Country Rev choices (ARM Router)://
 +
 +  * TBD. - CFE default value used
  
 //Example Country / Region and Country Rev choices (MIPS Router, RT-N and RT-AC):// //Example Country / Region and Country Rev choices (MIPS Router, RT-N and RT-AC)://
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  \\   \\ The comment field on the right contains valid country and revision combinations. You can see that country "US" and country rev "12" is NOT a valid setting for the wireless driver. Do not use "#a" or "#r". They are special values for testing and not for regular use.  \\   \\ The comment field on the right contains valid country and revision combinations. You can see that country "US" and country rev "12" is NOT a valid setting for the wireless driver. Do not use "#a" or "#r". They are special values for testing and not for regular use.
  
-For MIPS SDK5 (RT) builds, there is only a country selection setting. +For MIPS SDK5 (RT) builds, there is only a country selection setting.  \\   \\ Starting with MIPS SDK6 (RT-AC) builds and all ARM-Branches/Versions you will need to choose a country and a country rev. This applies to release 2020.6 and later. With **release 2022.4** and later user will need to choose a country and a country rev for RT-N router also!
- \\   \\ Starting with MIPS SDK6 (RT-AC) builds and all ARM-Branches/Versions you will need to choose a country and a country rev. This applies to release 2020.6 and later. With **release 2022.4** and later user will need to choose a country and a country rev for RT-N router also!+
  
-**Further Note for Asus Router:** +**Further Note for Asus Router:** To check what country code & country rev is stored at the bootloader **(factory default value for this router)**, please try/use the following system commands.
-To check what country code & country rev is stored at the bootloader **(factory default value for this router)**, please try/use the following system commands.+
  
 Example for RT-AC66U_B1 ARM router: Example for RT-AC66U_B1 ARM router:
 +
 <code -> <code ->
 root@RT-AC66U_B1:/tmp/home/root# cat /dev/mtd0ro | grep ccode root@RT-AC66U_B1:/tmp/home/root# cat /dev/mtd0ro | grep ccode
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 To get or check the current wl country setup: To get or check the current wl country setup:
 +
 <code -> <code ->
 root@R7000:/tmp/home/root# wl -i eth1 country root@R7000:/tmp/home/root# wl -i eth1 country
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 root@R7000:/tmp/home/root# root@R7000:/tmp/home/root#
 </code> </code>
 +
  
 ==== Country Rev ==== ==== Country Rev ====
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   * Enable   * Enable
  
-==== Turbo QAM ====+{{:ft_wl_advanced_turbo_qam.png|}} 
 + 
 +==== Modulation Scheme ==== 
 + 
 +(Note: was called Turbo QAM up to 2022.7)
  
 This setting will enable Turbo QAM, Broadcom's name for 256-QAM. Do not confuse this with Broadcom's other Turbo QAM, a modulation scheme used for cablemodem technology. (Requires Wireless Network Mode set to Auto) This setting will enable Turbo QAM, Broadcom's name for 256-QAM. Do not confuse this with Broadcom's other Turbo QAM, a modulation scheme used for cablemodem technology. (Requires Wireless Network Mode set to Auto)
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 Turbo QAM, or 256-QAM is a modulation method in which the two carrier signals are shifted in phase by 90 degrees. These two signals are then modulated and combined. The 90° difference in phase between the two signals means they are "in quadrature". Turbo QAM, or 256-QAM is a modulation method in which the two carrier signals are shifted in phase by 90 degrees. These two signals are then modulated and combined. The 90° difference in phase between the two signals means they are "in quadrature".
  
-In theory, this modulation method makes it possible to transmit more bits per symbol, and thus increase data rates. In reality, most claims of big increases in transfer rates are likely exaggerated. QAM links are more susceptible to noise. As a result, Turbo QAM is generally only useful in very low-noise/interference wireless environments. Many people report it being effective on line-of-sight links of up to about 25 feet. Vendors claim the range with Turbo QAM may improve when beamforming is used. You may need to experiment to see what works best on your network. \\+In theory, this modulation method makes it possible to transmit more bits per symbol, and thus increase data rates. In reality, most claims of big increases in transfer rates are likely exaggerated. QAM links are more susceptible to noise. As a result, Turbo QAM is generally only useful in very low-noise/interference wireless environments. Many people report it being effective on line-of-sight links of up to about 25 feet. Vendors claim the range with Turbo QAM may improve when beamforming is used. You may need to experiment to see what works best on your network. \\ \\ 
 +NitroQAM/1024-QAM is only available for SDK714 Router like RT-AC5300, RT-AC3100 or RT-AC88U. 
 + \\
  \\  \\
  
advanced-wireless.txt · Last modified: 2024/03/02 18:01 by hogwild

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