MA-5B Beam,Multiband,3 ele. 10,12,15,17,20M Cushcraft Compact HF Multi-Band Beam 10-20 Meters The MA5B, Compact HF Multi-Band Beam Small Footprint -- Big Signal MA5B, Cushcraft’s multiband HF antenna provides 5-Band operation in a package small enough to mount to a tripod. The MA5B is a design that does not sacrifice ruggedness, performance and power handling for size and ease of installation. High Front to Back Ratio on 10/15/20 M