Supplementary package 150 baht (excluding vat) will be able to use the internet for maximum speed of 1 Mbps. 42 GB if running full speed and 1GB, is based on the principle that promotion.
package extra 150 baht (excluding vat) will be able to use the internet at speeds up to 42 Mbps. The number 1 GB if running full speed, it will be up to 1GB for promotion to major.
Package extra 150 bath (excluding the VAT) can be used Internet at top speed 42 Mbps. Is the 1 GB if fully 1GB and speed will depend on the main promotional use.