Antenna COALAS::DIPOLE-PCB-270-520

COALAS::DIPOLE-PCB-270 — a compact dipole antenna from the Coalas systems brand, designed for embedded and industrial solutions. This model provides a wide range of tuning options thanks to its design with perforation lines, allowing for precise adjustment of the operating frequency by cutting off part of the element along the marked lines without complex mechanical changes.

Product type: Antennas > Dipole antennas. Frequency range: 270 MHz – 520 MHz (when cut along perforation lines). The design is developed for quick adaptation of the resonant frequency to specific tasks, making this antenna convenient for prototyping and integration into enclosed solutions.

Resonant frequencies (MHz):

• 280 (full)
• 300
• 320
• 340
• 360
• 380
• 400
• 420
• 440
• 460
• 480
• 500
• 520

Key technical specifications:

• Bandwidth: 20 MHz (VSWR < 1.6)
• Gain: 2 dBi
• Connector: IPEX Female with RG178 cable, 220 mm long
• Dimensions: 425 mm x 30 mm
• Weight: 40 g

Advantages and applications

The COALAS::DIPOLE-PCB-270-520 antenna is ideal for integration into compact devices, replacing standard antennas, or for test prototypes in manufacturing and scientific-engineering projects. Its low weight and dimensions allow it to be mounted in confined spaces, and the 2 dBi gain ensures stable signal reception within the specified frequency range. The presence of an IPEX connector and a short RG178 cable provides quick and reliable connection to boards and modules.

Mounting recommendations: install the antenna to minimize shielding by metal housing elements; if a specific resonant frequency is required, use the perforation lines for cutting in a controlled sequence, guided by the list of resonant frequencies; to achieve optimal VSWR, it is recommended to take measurements after each trimming step.

Manufacturer: Coalas systems. The description retains the main parameters: model name, frequency range, list of resonant points, bandwidth, gain, connector type with cable length, dimensions, and weight — all data is provided for convenience in selecting the antenna for your project.

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