JCA205

Overview

The JCA205 is an indoor mini-size active GPS antenna manufactured by JC Antenna. It operates at a center frequency of 1575.42±1 MHz with a bandwidth of CF±5 MHz. The unit features a 50Ω impedance, VSWR less than 1.5, and axial ratio of 3dB maximum. Dimensions are 25x25x4 mm. It includes an LNA with a gain of 28±2 dB. Connectors include MMCX, with cable options of RG174 in 3m or 5m lengths. Mounting supports adhesive or magnetic surfaces.

Feature Summary

• Active GNSS reception capability for GPS signals
• Compact rectangular form factor suitable for indoor installation
• Flexible mounting options including adhesive or magnetic base
• Integrated low-noise amplifier for signal enhancement

Applications

• Indoor GPS tracking systems
• Navigation devices requiring stable signal acquisition
• IoT modules needing external antenna connectivity
• Vehicle telematics units with magnetic mounting requirements

Procurement Notes

Verify the specific connector type and cable length configuration required for your application, as options include MMCX connectors with varying RG174 cable lengths. Confirm that the indoor usage environment aligns with the antenna's design specifications. Ensure compatibility with the receiving equipment's impedance and voltage supply requirements before finalizing procurement decisions.

Selection Notes

Select this model when a compact, high-gain active antenna is needed for indoor GPS applications. The 28 dB gain ensures reliable signal reception despite potential indoor signal attenuation. Consider the available cable lengths and mounting methods to fit the physical constraints of the host device. Verify that the operating frequency matches the target satellite navigation system requirements.

Part Context

JC Antenna specializes in GNSS, radio, and communication antennas. The JCA205 belongs to their line of active GPS antennas designed for precision and reliability. This component is part of a broader portfolio that includes various GNSS surveying and communication solutions tailored for IoT and industrial applications.

Replacement Considerations

Check for direct substitutes within the JC Antenna lineup, such as the JCA204 or JCA210, if different gain or form factors are required. Ensure any replacement maintains the 1575.42 MHz center frequency and compatible connector interface.