The Vintage WAWASEE ELECTRONICS BLACK CAT JB-75A is a ham radio amplifier designed by Wawasee and modelled as the JB 76 B. The black color adds to its retro appeal, perfect for collectors or enthusiasts looking to add a unique piece to their ham radio communication setup. Despite being untested, this amplifier holds the potential to enhance the signal strength and quality for a more reliable communication experience when used in conjunction with compatible ham radio transceivers. AS-IS please look closely at photos and ask questions for condition.