
CompleTech
CA400X
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Overview
The CompleTech CA400X is a specialized cross-polarized Yagi antenna engineered for reliable communication within the 380-410 MHz frequency band. This antenna features dual/circular polarization, a critical aspect for mitigating multipath interference and enhancing signal robustness in challenging RF environments. With a specified gain of 6 dBi in both horizontal and vertical planes, the CA400X ensures effective signal transmission and reception. Its construction utilizes a copper radiator for optimal conductivity and an ABS/FG PU foam radome, providing environmental protection. The antenna is designed for low signal degradation, evidenced by a Voltage Standing Wave Ratio (VSWR) of less than 1.5, crucial for efficient power transfer and system performance. Mounting flexibility is provided by compatibility with poles ranging from 35 mm to 60 mm in diameter. The CA400X supports multiple connector types, including N-, TNC-, and 7/16-female, facilitating integration into diverse communication systems. Its wind load rating of 63 N indicates suitability for outdoor installations where wind resistance is a consideration. This antenna is an ideal choice for industrial, telecommunications, and broadcast applications requiring dependable performance in the 380-410 MHz spectrum. Referencing similar CompleTech models like the CA400Y4 and CA400Y5, which also operate in the 380-420 MHz range and feature copper construction and N-TNC/7/16-female connectors, highlights the manufacturer's commitment to robust antenna design for this frequency band. The CA400X specifically targets the 380-410 MHz range with its precise specifications.
- Frequency Range: 380-410 MHz
- Gain: 6/6 dBi
- Polarization: Dual/Circular
- Connector Options: N-, TNC-, 7/16-female
- VSWR: <1.5
Specifications
Connection Type | N-/TNC-/7/16-female |
Connector | N-/TNC-/7/16-female |
Frequency | 380-410 MHz |
Gain | 6 dBi |
Length | 560 mm |
Material | ABS/FG PU foam, copper |
Mounting Diameter | Ø 35-60 |
Mounting Type | 35-60 mm diameter pole |
Polarization | dual/circular |
Radiator Material | copper |
Radome | ABS/FG, PU foam |
Series | CA400X |
VSWR | <1.5 |
Weight | 980 g |
Wind Load | 63 N @ 150 km/h |

CA420X
cross-polarized yagi - Frequency range: 405-440 MHz - Gain: 6/6 dBi - Polarization: dual/circular - Connector: N-/ TNC-/ 7/16-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 60 N