The Yaesu FT-277R is a “440” version of the FT-270R. It delivers a big 5 watts 430 to 450 MHz. And it delivers 800 mW of strong audio. It also is produced to IPX7 specifications. The FT-277R now includes the FNB-83 NiMH battery, PA-48B 120VAC wall power adapter, flexible SMA antenna and belt clip.