The 45 pound BC-654 transmitter was notably difficult for radiomen to carry during combat, and has been described as "roughly the weight, size and shape of a modern window air conditioner".
Pemancar seberat 45 pound BC-654 sulit untuk dibawa, terutama bagi awak radio selama pertempuran, dan dideskripsikan sebagai "kira-kira seberat, sebesar dan berbentuk seperti pendingin udara".