Progressive Concepts CIRPA Broadband Circular FM Antenna

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Progressive Concepts NEW & Improved CIRPA Series Broadband Circular Polarized FM Antenna is constructed of high grade stainless steel and Teflon. The CIRPA 50 Ohm FM antenna handles up to 2KW of RF power and requires NO-TUNING across the entire FM band from 88-108MHz because the CIRPA antenna is broadband! Multi-Bay systems can handle up to 4KW.

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The CIRPA series antenna’s lightweight, sturdy construction makes it capable of withstanding the harshest environments. With stainless steel construction and Teflon insulator the CIRPA series broadband broadcast antenna is virtually maintenance-free and well suited for extreme atmospheric conditions or salty environments.

Each element of the CIRPA antenna is DC grounded (gamma matched) to provide excellent protection against lightning discharge. The high-tech yet straight-forward design of the CIRPA series broadband FM broadcast antenna allows mounting to a mast or tower with extreme ease.

Circularly polarized radiation is especially advisable in rugged terrain and/or large cities where losses can arise from reflections off mountains and/or buildings which can create unwanted multi-path signals. The CIRPA FM broadcast antenna offers its greatest efficiency in FM transmissions that include stereo, SCA, or sub-carrier information. It is highly recommended for applications where home stereo, or fixed horizontal reception style antennas are widely used. The CIRPA broadband antenna can be vertically stacked to achieve higher gain figures. Boom length is 5 feet. Standard input connector is 7/16″ DIN. The multi-bay systems may have 7/8″ EIA. Mounting hardware is included for 1-3″ diameter mast or tower leg.

NOTES: All CIRPA broadband series FM broadcast antennas are shipped by DIMENSIONAL weight, actual weight of antenna may vary. Wind load of antenna is 65 pounds (2.5 square feet) per bay. Not recommended for pole mounting, a mast or tower should be used.

CIRPA 1-Bay 2KW Broadband FM Antenna -3dB 7/16″ DIN PN: CIRPA | CIRPA 2-Bay 2KW Broadband FM Antenna 0dB 7/16″ DIN PN: CIRPA2 | CIRPA 2-Bay 4KW Broadband FM Antenna 0dB 7/8″ EIA PN: CIRPA24 | CIRPA 4-Bay 3KW Broadband FM Antenna +3.3dB 7/16″ DIN PN: CIRPA4

Includes a 2 Year Warranty!

What Is The Formula For Figuring ERP On FM Transmitters?

CIRPA Instruction Manual

Additional information


CIRPA 1-Bay 2KW Broadband FM Antenna -3dB 7/16" DIN PN: CIRPA, CIRPA 2-Bay 2KW Broadband FM Antenna 0dB 7/16" DIN PN: CIRPA2, CIRPA 2-Bay 4KW Broadband FM Antenna 0dB 7/8" EIA PN: CIRPA24, CIRPA 4-Bay 3KW Broadband FM Antenna +3.3dB 7/16" DIN PN: CIRPA4


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