Refer to Thailand NBTC public hearing to allocate new frequency for International Mobile Telecommunications – IMT on 20 Jan – 20 February 2025, NBTC will allocate new frequency band LTE/NR band 75/n75 in near future. After this public hearing, NBTC will arrange a frequency auction to allow network operator to operate this new frequency band 75/n75.
 
Reference Announcement: Public hearing on the draft NBTC announcement on criteria and methods for granting permission to use frequencies for international mobile telecommunications services, 850 MHz, 1500 MHz, 1800 MHz, 2100 MHz, 2300 MHz and 26 GHz, the draft NBTC announcement on the International Mobile Telecommunications (IMT) radio frequency plan in the frequency band 1427-1517 megahertz, the draft NBTC announcement on the International Mobile Telecommunications (IMT) radio frequency plan in the frequency band 1427-1517 megahertz.
https://www.nbtc.go.th/News/publichearing/69250.aspx?lang=th-TH
(Note: NBTC will arrange frequency auction for several frequency bands, the new band is only 1500 MHz (band 75/n75)

Summary of changes
Announcement date: N/A (will be formally announce after public hearing – expect around mid of 2025)
Effective date: estimate on 4 August 2025
 

If this new frequency allocation is completed as NBTC plan, we will require to submit test report for 4G band 75 and 5G NR band n75 in addition for class B certificate that will be issued from August 4, 2025 and on. For previously issued class B certificate, it will not require any action, certificates will remain valid to use. Test standard for 4G band 75 will be ETSI EN 301908-1 and -13 and 5G NR band n75 will be 3GPP TS 38.101-1, -2, or -3, ETSI TS 138101-1, -2, or -3 or 3GPP TS 38.521-1, -2, or -3 or ETSI TS 138521-1, -2, or -3. As band 75 and n75 are supplementary band which will be combined with other bands e.g. EN-DC configuration, so NBTC will evaluate test report based on possible Thailand configuration e.g. Thailand 4G band paired with Thailand 5G NR band.

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