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<blockquote data-quote="John" data-source="post: 1143314" data-attributes="member: 175005">Re: Point 2:&nbsp; - You are so right,&nbsp; a few days ago i made an enquiry to a sales rep of Chinese manufacturer of 5G External filters regarding the item cost&nbsp; plus shipping to the UK&nbsp; for a specific filter rx3.8 - 4.2GHz with a stop band&nbsp; from 3.4 to&nbsp; 3.7GHz&nbsp; that was listed&nbsp; with the model number etc for ordering purposes and with all the other information for the device.&nbsp;&nbsp; A reply came back asking for a particular requirement to be specified that was already in the product spec sheet catalogue number .... this flagged up alarm bells as to whether i would actually end up with the right product being delivered.&nbsp; It was also nearly three times the cost of the one i already had.Ideally i need to have the opinion from an RF engineer who also possesses the RF test sets to see if a slight re-tune of the one i have, to increase the stop band from 3.65 up to 3.7 GHz is possible or not.</blockquote>

[QUOTE="John, post: 1143314, member: 175005"] Re: Point 2: - You are so right, a few days ago i made an enquiry to a sales rep of Chinese manufacturer of 5G External filters regarding the item cost plus shipping to the UK for a specific filter rx3.8 - 4.2GHz with a stop band from 3.4 to 3.7GHz that was listed with the model number etc for ordering purposes and with all the other information for the device. A reply came back asking for a particular requirement to be specified that was already in the product spec sheet catalogue number .... this flagged up alarm bells as to whether i would actually end up with the right product being delivered. It was also nearly three times the cost of the one i already had. Ideally i need to have the opinion from an RF engineer who also possesses the RF test sets to see if a slight re-tune of the one i have, to increase the stop band from 3.65 up to 3.7 GHz is possible or not. [/QUOTE]

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