Uhf-satcom band frequency; vswr: high angle mode 1.5 max, low angle mode 2.5 max; high angle mode 90 deg coupler and load termination located internal to unit; female connectors; finish: blk polyurethane top coat per mil-prf-85285, color no 37038 per fed-std-595; surface: chem filmed iaw mil-c-5541, class 3