
CompleTech
CA400S4
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Overview
The CompleTech CA400S4 is a four-element stacked array antenna designed for UHF systems operating within the 380-420 MHz frequency range. Manufactured by CompleTech, this antenna (SKU: CA400S4) delivers a substantial 14 dBi gain with vertical polarization, ensuring robust signal transmission and reception. Its professional-grade copper construction contributes to reliable performance. The antenna features an N-TNC/7/16-female connector and maintains a VSWR of 1.2, critical for minimizing signal reflection and maximizing power transfer. This antenna is suited for applications requiring precise frequency targeting and strong signal integrity in the UHF band.
- Four-element stacked array design
- UHF frequency range: 380-420 MHz
- High gain: 14 dBi
- Low VSWR: 1.2
- Durable copper construction with N-TNC/7/16-female connector
Specifications
Connector | N-/TNC-female |
Frequency | 380-410 MHz |
Gain | 12 dBi |
Length | 2665 mm |
Mounting Diameter | Ø 35-60 |
Polarization | vertical/horizontal |
Radiator Material | copper |
Radome | ABS/FG, PU foam |
VSWR | <1.5 |
Weight | 3690 g |
Wind Load | 164 N @ 150 km/h |

CA420S2++++
directional stacked yagi array - Frequency range: 405-440 MHz - Gain: 14 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: 292 N
CA930S2++++
directional stacked yagi array - Frequency range: 880-960 MHz - Gain: 14 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: 146 N
CA400S2++++
directional stacked yagi array - Frequency range: 380-410 MHz - Gain: 14 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: 310 N
CA350S2++++
directional stacked yagi array - Frequency range: 336-364 MHz - Gain: 14 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: 348 N
CA450S2++++
directional stacked yagi array - Frequency range: 440-475 MHz - Gain: 14 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: 270 N
CA450S2+++++
directional stacked yagi array - Frequency range: 440-475 MHz - Gain: 15 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: 320 N
CA420S2+++++
directional stacked yagi array - Frequency range: 405-440 MHz - Gain: 15 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: 346 N
CA860S2++++
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 14 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: 152 N
CA930S2+++
directional stacked yagi array - Frequency range: 880-960 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: 122 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
CA930S2
directional stacked yagi array - Frequency range: 880-960 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: 54 N