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Multiple Input Multiple Output (MIMO)


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Availability of 5 GHz WLAN Channels in India under unlicensed band

Availability of 5 GHz WLAN Channels in India under unlicensed band  In India, Wireless Planning and Coordination Wing of Department of Telecom, under Ministry of Communication takes care of licensing of radio frequencies.  In the latest National Frequency allocation plan 2018 (https://dot.gov.in/sites/default/files/NFAP%202018.pdf), Government of India (GoI), exempted the licensing requirements of the following radio frequency ranges for wireless usage and a gazette notification has also published for this (https://dot.gov.in/sites/default/files/License%20Exemption%20in%205%20GHz%20G_S_R_1048%28E%29%20dated%2022nd%20October%2C%202018_0.pdf)  -- 1.  5150-5250 2. 5250-5350 3. 5470-5725 4. 5725-5875 References

Summary report of APNIC 55 (APRICOT 2023) Meeting held in Manila, Philippines

APNIC Logo The APNIC 55 meeting was held in Manila, Philippines from 20th Feb to 02nd March 2023. The meeting was hosted by PhNOG, The Philippine Network Operators Group (PhNOG) and supported by DOST- Advanced Science and Technology Institute. Every year, APNIC conferences are held twice, the first of each year is held in conjunction with APRICOT and the second one is a standalone conference. The last such meeting held in India was in 2012, APNIC 33 (which was in conjunction with APRICOT 2012).  APNIC 55 meeting was unique in multiple senses –  i. Firstly, because of the possibility of potential hijack [1] [2][3] of the APNIC Executive Council by Cloud Innovation Ltd. / Larus foundation / NRS, the same organizations which have dragged AFRINIC (RIR for African Continent) into the Mauritius supreme court and at one point nearly halted the AFRINIC operations by getting its bank accounts frozen (over 25 lawsuits have been filed against AFRINIC by Cloud Innovation Ltd....

Public DNS Servers

Domain Name Service (or Server or System) is an internet service that translate easily memorized domain names into IP numbers and vice-versa. DNS Servers can be better understands as Yellow page directory to the Internet. Every ISP runs DNS services for their customers and users. A user can also runs DNS service for its own. There are many DNS servers which are open for all, commonly known as Public DNS Servers. IP addresses of main Public DNS Servers are :- Google Public DNS Servers 1.   8.8.8.8 2.   8.8.4.4 3.   2001:4860:4860::8888 4.   2001:4860:4860::8844 Level 3 Public DNS Servers 5.     4.2.2.1 6.     4.2.2.2 7.     4.2.2.3 8.     4.2.2.4 9.     4.2.2.5 10.   4.2.2.6 OpenDNS Public DNS Servers 11.     208.67.222.222 12.      208.67.222.222 13.      2620:0:ccc::2 14.      2620:0:ccd::2 Norton Public DNS Servers 15.   198...