The strongest coverage and signal you can get is in Skudai, Johor Bahru area and also Pasir Gudang. You can also get fair coverage in Batu Pahat and Muar instead of other state is partially poor.
Rank 1249 of 4219 in Telecommunication
YES DEALER TAMAN SEGAMAT BARU 48, JALAN NAGASARI 14, TAMAN SEGAMAT BARU, SEGAMAT, 85000, Johor