
CompleTech
CA420S4
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Overview
The CompleTech CA420S4 is a four-element stacked array antenna designed for UHF systems in the 400-430 MHz band. It provides 14 dBi gain with vertical polarization for directional signal transmission and reception. Built with professional-grade copper, the antenna ensures durability and reliable performance. It features an N-TNC/7/16-female connector and maintains a VSWR of 1.2 for efficient power transfer and minimal signal reflection. The design prioritizes superior interference rejection, making it suitable for demanding communication applications requiring clear and stable signals.
- Four-element stacked array design for UHF 400-430 MHz band
- 14 dBi gain with vertical polarization for directional transmission
- Professional-grade copper construction for durability
- N-TNC/7/16-female connector for reliable connectivity
- VSWR of 1.2 for efficient power transfer and minimal signal reflection
Specifications
Connection Type | N-TNC/7/16-female |
Connector | N-/TNC-female |
Frequency | 405-440 MHz |
Gain | 12 dBi |
Length | 2490 mm |
Material | Copper |
Mounting Diameter | Ø 35-60 |
Polarization | vertical/horizontal |
Radiator Material | copper |
Radome | ABS/FG, PU foam |
Series | CA420S |
VSWR | <1.5 |
Weight | 3625 g |
Wind Load | 156 N @ 150 km/h |

CA450F2++
directional end fire yagi array - Frequency range: 440-475 MHz - Gain: 9 dBi - Polarization: vertical/horizontal - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 172 N
CA450F2+
directional end fire yagi array - Frequency range: 440-475 MHz - Gain: 7 dBi - Polarization: vertical/horizontal - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 124 N
CA860S2
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 9 dBi - Polarization: vertical/horizontal - Connector: N-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 56 N
CA860S2+++
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 13.5 dBi - Polarization: vertical/horizontal - Connector: N-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 130 N
CA860S2++
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 13 dBi - Polarization: vertical/horizontal - Connector: N-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 106 N
CA860S3
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 10 dBi - Polarization: vertical/horizontal - Connector: N-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 84 N
CA400X+
cross-polarized yagi - Frequency range: 380-410 MHz - Gain: 8/8 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: 97 N