Theia external RF input

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Theia is purported to have an additional RF input. Can this input be used in conjunction with the onboard receivers or is it either/or? Maybe a couple patch or other type antennas could be front mounted at 45 degrees off centerline and with software sampling each one in conjunction with the built in receiver we could get more accurate directional information? Knowing which side is hotter could be helpful. My first thought was to have onboard IF at the antennas so that coax could be used to route a much lower frequency signal without loss back to the detector.
 

G37X Jockey

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The open architecture of Theia will allow talented software developers to create an amazing array of add-ons for Theia, such as possibly what you've described.
Radenso has likely thought of many possibilities that are shelved for now while they get a basic Theia into production. The possibilities with this new CM platform are going to be virtually endless.
 

Jon at Radenso

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The additional RF input is either/or with the main input. The reason is because both of them feed into the same $65 ADC and $60 FPGA. So if we wanted to do parallel paths we would have to increase the price of theia several hundred dollars for something only hardcore RF hobbyists will use.

But the average enthusiast will still be able to many cool things with Theia due to it being a SDR without cracking it open and soldering. For example, having an app that displays a waterfall analysis of your signal environment.
 

mb300sd

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The additional RF input is either/or with the main input. The reason is because both of them feed into the same $65 ADC and $60 FPGA. So if we wanted to do parallel paths we would have to increase the price of theia several hundred dollars for something only hardcore RF hobbyists will use.

But the average enthusiast will still be able to many cool things with Theia due to it being a SDR without cracking it open and soldering. For example, having an app that displays a waterfall analysis of your signal environment.
Will they be able to be switched in software, or is it manual? Being able to switch over and scan a band on the external input every couple seconds while still scanning radar would be very useful.
 

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