The 40M-2B is KLM’s carefully designed effort to produce a modest size 40 meter monobander with superior performance and bandwidth. The tuning options listed in the assembly manual will enable you to achieve optimum performance over your favorite part of the band. Extensive R & D and post-production field testing reveal the 40M-2B as a highly successful design... one we are sure you will find very rewarding and enjoyable to work with. Thus, the 40M-2B joins the ranks of KLM’s other great amateur products. SPECIFICATION Bandwidth.............................7.0-7.3 MHz xl25 KHz Gain..................................4.9 dBd VSWR..................................1.5:1 F/B...................................12 dB Feed Impedance........................50 ohms unbalanced Balun ................................1:1 High Power Element Length........................46 feet Boom Length...........................16' 13” O.D. Turn Radius...........................25 feet Wind Load.,...........................6 square feet Weight................................45 pounds Mast..:...............................2” O.D.