RFI CD51-68-50 UHF 4 dB Mopole Antenna (450-520 MHz) with MBC base and no cable is versatile and popular antenna. The CD50/CD51 antennas provide performance with a largely omni-directional pattern when they are mounted on a vehicle gutter or similar position. This is due to the low angle of radiation inherent in the dipole antenna pattern, resulting in a typical 4.0 dB improvement in performance compared to a 3-wave whip in the center of a metal roof.

Product Features:

• This antenna's end-fed transformer design ensures consistent RF performance across the entire operating band.
• The patented feed assembly enables precise tuning by trimming the dielectric section of the coaxial feeder cable to the exact length required.
• Its ground-plane-independent design supports flexible mounting on non-metallic or non-central surfaces without performance loss.
• The omnidirectional radiation pattern delivers up to 4 dB of gain, making it ideal for mobile communication applications.
• The flexible nylon whip construction (CD51 Series) enhances durability and resilience in demanding environments.
• The virtually indestructible base coil guarantees reliable, long-term operation under harsh conditions.
• Quick re-termination in the field is possible without special tools, simplifying maintenance and reducing downtime.
• This design is protected by Australian Patents #596830 and #656793, confirming its innovative transformer technology.

Application Areas:

• This antenna is perfect for vehicle-mounted communication systems used by emergency services, fleet operations, and utility vehicles.
• It is well suited for industrial and commercial UHF radio applications that require compact size and reliable performance.
• It performs reliably in installations where center-roof mounting is not feasible, thanks to its ground-plane-independent design.
• It accommodates installations needing customizable cable and connector configurations to match specific system requirements.

In the Box:

• 1 x RFI CD51-68-50 UHF 4 dB Mopole Antenna
• 1 x MBC base (attached)
• Cable not included (sold separately)

Mounting Arrangements:

• CD50-xx-70 and CD51-xx-70: Mount via a threaded stud and nut assembly, allowing easy termination, tuning, and re-termination in the field.
• CD50-xx-50 and CD51-xx-50: Mate with the MBC coaxial base, providing an internal, permanent connection in a completely sealed unit.

Documents:

RFI CD51 UHF Antenna - Datasheet RFI CD51 UHF Antenna - Installation Guide