JCA004

Overview

The JCA004 is a GPS active antenna manufactured by Zhejiang JC Antenna Co., Ltd. It operates at a center frequency of 1575.42±3MHz with a bandwidth of CF±5MHz. The device features Right-Hand Circular Polarization (RHCP) and provides a gain of 2dBic at zenith. Key electrical specifications include a Voltage Standing Wave Ratio (V.S.W.R.) of less than 1.5.

Feature Summary

• Active GNSS reception capability for GPS signals
• Right-Hand Circular Polarization design
• Optimized zenith gain performance

Applications

• GPS navigation systems
• GNSS timing receivers
• IoT location tracking devices

Procurement Notes

Verify the specific datasheet version from Zhejiang JC Antenna or authorized distributors to confirm exact connector types, cable lengths, and DC power requirements. Ensure compatibility with the host receiver's voltage and current specifications before integration. Confirm that the active component biasing matches the system design.

Selection Notes

Select this model when a compact active antenna with standard L1 band coverage is required. The RHCP polarization ensures reliable signal acquisition in typical urban and open-sky environments. Verify mechanical mounting constraints and cable routing needs against the antenna's physical dimensions.

Part Context

Zhejiang JC Antenna Co., Ltd. specializes in GNSS, cellular, and WiFi antennas. The JCA004 belongs to their RF antenna portfolio, designed for global positioning applications. The manufacturer offers various customization options for logo and packaging on bulk orders.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for direct equivalents or updated series replacements.