Mostly all the expected city in Sarawak such as Kuching, Miri, Sibu, Bintulu, Mukah, Sarikei has strong 2G, 3G and 4G coverage you can get. As for small city such as Niah is one of the small city that we found has partially strong coverage.
Rank 3576 of 4216 in Telecommunication
MK-MKH TELECOMMUNICATION SDN BHD, No. 1, Jalan Boyan, Mukah, 96400, Sarawak