GSM MS Power Class

This page describes GSM Mobile Station(MS) power classes which include class-1 to class-5.

GSM MS Power class	Nominal Max.power(output) GSM-400, GSM-900, GSM-850	Nominal Max.power(output) DCS-1800	Nominal Max.power(output) PCS-1900
Class-1	20W (43 dBm)	1W (30 dBm)	1 W(30 dBm)
Class-2	8W (39 dBm)	0.25W (24 dBm)	0.25W (24 dBm)
Class-3	5W (37 dBm)	4W (36 dBm)	2W (33 dBm)
Class-4	2W (33 dBm)
Class-5	0.8W (29 dBm)

RF and Wireless Terminologies