There are five versions of the new radios in all: The GTR 225 includes 10 watts of transmit power and 25-kHz frequency spacing for $1,995. The GTR 225A adds 8.33-kHz frequency spacing for $2,995. And the GTR 225B includes 8.33-kHz spacing and 16-watt transmit power for $3,995. The GNC 255A radio, meanwhile, includes 10 watts of transmit power for $4,495 and the GNC 255B includes 16 watts of transmit power for $5,495. Both GNC models include 8.33-kHz spacing, which will be required throughout Europe starting in 2018.