1mW is 0dBm, 2mW is 3dBm, 4mW is 6dBm, 8mW is 9dBm, 16mW is 12dBm, 32mW is 15dBm etc David G3UNA > Hi to the group. > > Can someone tell me what the formula is for converting Watts to DBM > please, > or DBM to Watts. > > 73 Andy > http://www.gd0tep.com >