I bought this at a estate sale and don't know anything about it except one recently sold on eBay for $325 + $37.96 shipping. I don't know how or if it works. I am selling it as is.
I googled the patent number and found the following info. The figures on the patent sketches looks slightly different than the piece. Patent number: US 3497806
The following description was found from internet sources believed to be reliable, however, seller makes no guaranty to its accuracy. All products are sold as-is. Agilent Technologies
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmit and receives Soft and skin-friendly material provides comfort for long-time wear Small lapel PTT with inline PTT/microphone and metal clip Super
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmit and receives Soft and skin-friendly material provides comfort for long-time wear Small lapel PTT with inline PTT/microphone and metal clip Super
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmit and receives Soft and skin-friendly material provides comfort for long-time wear Small lapel PTT with inline PTT/microphone and metal clip Super
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmit and receives Soft and skin-friendly material provides comfort for long-time wear Small lapel PTT with inline PTT/microphone and metal clip Super
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmits and receives Comfortable to wear for long time Discrete communications With heavy duty Kevlar reinforced wire Strain relief cable for maximum durability 360 d
Arrowmax Store Welcome to Arrowmax Factory Store A Wholesale Discount Store Located in Los Angeles, California USA! Features: Transmits and receives Comfortable to wear for long time Discrete communications With heavy duty Kevlar reinforced wire Strain relief cable for maximum durability 360 degree me
NewItemWholesale Store NewItemWholesale Two Way Radio Store Discount Store for Two Way Radio Components Features Transmits and receives Comfortable to wear for long time Discrete communications With heavy duty Kevlar reinforced wire Strain relief cable for maximum durability 360 degree metal clip Loud, clear audio 3.5mm accessory jack for earpi
This for a Pair of Two. One picture show a block of 4 (2 pairs) to give visual scope to their size, and one picture show just one to also show size. Brand new high-powered N52 (the highest power grade available) not N42 lor N35 lower grade power, grade neodymium block magnets size 1/2" by 1/2" (.5) wide by 1/8" (.125) thick.
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