
CompleTech CA420B4 bidirectional stacked broadside - Frequency range: 405-440 MHz - Gain: 9 dBi…
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Frequency Range: 405-440 MHz
- Gain: 9 dBi
- Polarization: Vertical
- Connector: N-/TNC-female
- VSWR: <1.5
Specifications
Connector | N-/TNC-female |
Frequency | 405-440 MHz |
Gain | 9 dBi |
Length | 1165 mm |
Mounting Diameter | Ø 35-60 |
Polarization | vertical |
Radiator Material | copper |
Radome | ABS/FG, PU foam |
VSWR | <1.5 |
Weight | 3465 g |
Wind Load | 132 N @ 150 km/h |

CA85B4
bidirectional stacked broadside - Frequency range: 83-88 MHz - Gain: 9 dBi - Polarization: vertical - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 336 N
CA140S2
directional stacked yagi array - Frequency range: 135-145 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: 168 N
CA350C4
offset pattern collinear - Frequency range: 336-364 MHz - Gain: 11 dBi - Polarization: vertical - 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
CA450C3
offset pattern collinear - Frequency range: 440-475 MHz - Gain: 10 dBi - Polarization: vertical - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 96 N
CA340C2
offset pattern collinear - Frequency range: 326-353 MHz - Gain: 8 dBi - Polarization: vertical - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 72 N
CA450B4
bidirectional stacked broadside - Frequency range: 440-475 MHz - Gain: 9 dBi - Polarization: vertical - Connector: N-/TNC-female - VSWR: <1.5 - Radome: ABS/FG PU foam - Radiator material: copper - Mounting: 35-60 mm diameter pole - Wind load: 128 NFrequently Asked Questions
What is the operating temperature range for this antenna?
The antenna can operate in temperatures ranging from -40ºC to +80ºC.
What is the impedance of the ComAnt CAB4 antenna?
The impedance of the antenna is 50 ohm.
What is the VSWR rating for this antenna?
The VSWR rating for the antenna is less than 1.5.
What type of connectors are available on this antenna?
The antenna is available with N-female or TNC-female connectors.
What is the gain of the ComAnt CAB4 antenna?
The gain of the antenna is 9 dBi.
What is the IP rating of this antenna?
The antenna has an IP67 rating, indicating proof construction.
What material is the radiator made of?
The radiator of the antenna is made of copper.
How is the antenna attached to a mounting pole?
It uses an aluminium alloy bracket with stainless steel V-bolts and self-locking nuts for attachment to poles Ø 35-60 mm.
Does the antenna have lightning protection?
Yes, the antenna features DC-short circuited lightning protection.
What is the polarization of the antenna?
The antenna supports both vertical and horizontal polarization.
How to Install the CA420B4 Controller
This guide provides step-by-step instructions for installing and configuring the CA420B4 Controller, ensuring proper wiring and calibration.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors, Self-amalgamating tape
- Mount the controller
Secure the CA420B4 controller to the designated mounting surface using the provided mounting screws. Ensure it is level and firmly attached.
- Connect the wiring
Use terminal connectors to connect the power and signal wires to the appropriate terminals on the CA420B4 controller. Ensure all connections are tight and secure.
- Seal the connections
Cover all connectors and cable junctions with self-amalgamating tape to provide weather protection. Ensure there are no exposed wires.
- Verify the installation
Use a multimeter to check the voltage at the controller terminals to ensure proper power supply. Confirm that all connections are functioning correctly.
- Calibrate the controller
Follow the manufacturer's calibration procedure to ensure the CA420B4 controller is set up for optimal performance. Adjust settings as necessary.

