NBTC certification head has informed about change in type approval of cellular mobile products.
  
Related technical standards
-          NBTC TS 1027-2560 International Mobile Telecommunications (IMT) using technology Evolved Universal Terrestrial Radio Access (E-UTRA) (Technical standard for LTE equipment)
  
Change Summary
Announcement date: 25 May 2018 (There is no formal announcement. This requirement is verbal instruction from NBTC certification head)
Effective date: 25 May 2018 (There is no formal announcement. This requirement is verbal instruction from NBTC certification head)
 

Description of change	Before	After
Frequency band that require test reports during NBTC class B approval for WWAN products	GSM 900, 1800 WCDMA B 1, 3, 5, 8 LTE B 1, 3, 5, 8	GSM 900, 1800 WCDMA B 1, 3, 5, 8 LTE B 1, 3, 5, 8, 40

As recently, network operator TOT has settled in legal issues with authority and they are eligible to use LTE band 40 frequency. Now NBTC require us to submit Radio Test report and SAR/EMF test report for LTE band 40 for type approval of WWAN products.
  
Note: [If customer has test report that was tested earlier than above effective date, we can discuss with NBTC if we can proceed type approval without LTE band 40 on case by case basis]