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50KHz-2GHz NanoVNA Vector Network Analyzer for MF HF VHF UHF Antenna 2.8" Touch Screen No Shell. - 1 x NanoVNA Main Unit. It is a DIY vector network analyzer. What you have to do is to replace the connection cables in the receiving and transmitting ports.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.