Rayzar z1 Retrofit Kit White: RZ-5000 The Rayzar z1 is sold both as a complete unit and as the antenna head with adapter. The RV antenna and mount stand at a mere 8.4" for maximum aerodynamic functionality without compromising performance. When attached to the Sensar boom the footprint is at 5.5" when lowered. The Rayzar z1 RV antenna is compatible with the existing Sensar antenna’s wiring and power supply so retrofitting your current Sensar lift with the Rayzar z1 RV antenna is a quick and easy process. Amplified Antenna Head Antenna Adapter Mounting Hardware Utilizes current wiring and power supply to retrofit existing antenna or replace head on current Sensar boom.