[ADTech]

The upgrade kit has been on the site for a couple of weeks. It's under Accessories> Reflectors.

The wide beamwidth of the C2 can be a double-edged sword. In environments where towers are broadly scattered, it helps by often avoiding a rotor. But, since there's no such thing as a free lunch, that same broad beam-width makes it more susceptible to off-axis multi-path. A more directional antenna such as a small UHF Yagi can be a better choice when UHF stations are effectively co-located and if multi-path occurs. Usually when this arises with a C2, the best response is to relocate the antenna and try again.