RedVision make popular rugged PTZ cameras in the UK, you can find their products here: https://www.redvisioncctv.com
These cameras should work out of the box with TetherX. If you are experiencing problems, please ensure ONVIF is enabled in the camera settings:
If for any reason the cameras are not automatically detected, the correct configuration settings are:
Analytics Path: /snl/live/1/2
Recording Path: /snl/live/1/1
Snapshot Path: /cgi-bin/image.cgi?userName=USER&password=PASS&cameraID=1&quality=5