Profile: R N J Electronics, Inc. specializes in offering security, commercial, pro sound, data com products and tools & accessories. Our products include audio/video equipment, listening systems, intercoms, microphones, mounts, telephone interface & paging products, two way radios and video surveillance. Our two-way UHF radio is ideal for communication inside steel and concrete structures. It is weatherproof, shockproof, drop-proof and its rechargeable battery offers up to 13 hours of continuous operation.