
CompleTech
CA420S2+
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Overview
The CompleTech CA420S2+ is a directional stacked yagi array designed for reliable wireless communication within the 405-440 MHz frequency range. This antenna boasts a significant 11 dBi gain, ensuring robust signal reception and transmission capabilities crucial for industrial, public safety, and commercial wireless networks. Its versatile vertical and horizontal polarization options allow for optimal signal alignment in diverse deployment scenarios. The CA420S2+ features a low VSWR of less than 1.5, minimizing signal reflection and maximizing power transfer for enhanced system efficiency. Constructed with a durable ABS/FG PU foam radome and a high-conductivity copper radiator, this antenna is built to withstand environmental challenges while maintaining signal integrity. Mounting is straightforward, accommodating poles with diameters ranging from 35 to 60 mm. The antenna is engineered to withstand wind loads of up to 132 N, ensuring stability in exposed locations. The CA420S2+ is suitable for various point-to-point links, base station applications, and mobile communication systems requiring dependable performance in the 405-440 MHz band. Its specifications align with other CompleTech stacked yagi arrays, such as the CA420S2111 (400-430 MHz) and CA425S2 (425-440 MHz), offering a range of frequency coverage options within the yagi array product line. The connector type is N-/TNC-female, providing broad compatibility with standard radio equipment.
- Frequency Range: 405-440 MHz
- Gain: 11 dBi
- Polarization: Vertical/Horizontal
- Connector: N-/TNC-female
- VSWR: <1.5
Specifications
Connector | N-/TNC-female |
Frequency | 405-440 MHz |
Gain | 11 dBi |
Length | 1115 mm |
Mounting Diameter | Ø 35-60 |
Polarization | vertical/horizontal |
Radiator Material | copper |
Radome | ABS/FG, PU foam |
VSWR | <1.5 |
Weight | 2015 g |
Wind Load | 132 N @ 150 km/h |

CA930S2+
directional stacked yagi array - Frequency range: 880-960 MHz - Gain: 11 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: 78 N
CA340S2+
directional stacked yagi array - Frequency range: 326-353 MHz - Gain: 11 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: 158 N
CA140S2+
directional stacked yagi array - Frequency range: 135-145 MHz - Gain: 11 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: 342 N
CA450S2+
directional stacked yagi array - Frequency range: 440-475 MHz - Gain: 11 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
CA400S2+
directional stacked yagi array - Frequency range: 380-410 MHz - Gain: 11 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: 140 N
CA860S2+
directional stacked yagi array - Frequency range: 830-890 MHz - Gain: 11 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: 82 N
CA380S2+
directional stacked yagi array - Frequency range: 365-395 MHz - Gain: 11 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: 144 N
CA230S2+
directional stacked yagi array - Frequency range: 221-239 MHz - Gain: 11 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: 220 N
CA160S2+
directional stacked yagi array - Frequency range: 154-166 MHz - Gain: 11 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: 302 N
CA350S2+
directional stacked yagi array - Frequency range: 336-364 MHz - Gain: 11 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: 152 N
CA170S2+
directional stacked yagi array - Frequency range: 163-177 MHz - Gain: 11 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: 286 N
CA150S2+
directional stacked yagi array - Frequency range: 144-156 MHz - Gain: 11 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