Connector on the 820t2 dongle

[Channel Hopper]

What is the official terminology for it ?

 

[pontiend]

I thing that it is am SMA connetor though I have no idea what |SMA stands for.

 

[Channel Hopper]

SMA is threaded, and slightly larger. This has a push fit system with a clamping arrangement very much like the fastfit F-connectors. Outside diameter of the female connector is 3.2mm (+/- 0.1mm), SMA would be around 6mm.

 

[Channel Hopper]

SMB ?

SMB connector - Wikipedia

 

[aceb]

MCX

 

[Terryl]

Yes I agree with aceb, it is an MCX type.

They make adapter cables for them if you need one. Like F to MCX.

https://www.amazon.com/DHT-Electronics-coaxial-assembly-female/dp/B00CTJN480

 

[Channel Hopper]

Already ordered both the connector / adapter and a short cable with F-Female.

https://www.amazon.co.uk/gp/product/B013FM3YJI/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

https://www.amazon.co.uk/gp/product/B00X77BJG2/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

 

[Channel Hopper]

Adapters arrived a minute ago., so I can bolt some external kit to the dongle.

 

[aceb]

Bear in mind it doesn't take a lot of BII to overload them a notch filter for the band is often advantageous.

 

[Channel Hopper]

The discone I have will hopefully raise the signal somewhat higher than the background noise. Will try tonight if there is a pass as I've just run a new aircored cable down from the roof for this specific job.

 

[Terryl]

You should also use a USB extension cable, the dongle has a tendency to rock out when the cable is stressed.

I used about a 3 footer, this gave me room for mounting it on a heat-sink, and also for adding ferrite beads and shielding as thes things create some RF noise themselves.

 

[Channel Hopper]

It sits on a weighted extension, courtesy of an old style desktop connection antenna from a few years back.

Todays experimentation hasn't gone well though. Not sure what is going on signal was a good 15dB above the noise level all the way though apart from a couple of minor interruptions

I'll try the NooElec tomorrow when there is a decent pass.

 

[Terryl]

What was the audio level output???? If too low it will look like that.

I find that it needs to be around 50% or better.

 

[Channel Hopper]

Ah. Im having to change from speaker audio to the virtual vbcable in order to commence scanning otherwise I get nothing.

Will check levels.