Voltage controlled polarizer / ring modulator
www.vermona.com/en/products/modules/product/quadropol/
If you had an Unicorn Account you could see a chart with the price development of this module and the average price asked for this module.
I sell my Vermona quadroPOL in like new conditions (first owner, original box).
Shipping to europe is around 15 EUR.
Open for trade.
Write me for any info.
Thanks.
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