33-2643P-07

Antennas RF Overview

The Calian 33-2643P-07 is a passive GNSS patch antenna designed for multi-constellation navigation. It supports GPS L1, GLONASS G1, Galileo E1, BeiDou B1, and SBAS signals within the 1.559 GHz to 1.6265 GHz frequency range. The unit features a magnetic or screw mounting option and achieves a gain of 26 dB with a VSWR of 1.5. It operates at a maximum frequency of 1.626 GHz and withstands temperatures up to +85°C. The antenna holds an IP67 rating for environmental protection.

Antennas RF Feature Summary

• Supports multiple global navigation satellite systems including GPS, GLONASS, Galileo, and BeiDou
• Utilizes Accutenna technology for signal reception
• Provides high gain performance with low voltage standing wave ratio
• Features robust environmental sealing suitable for harsh conditions

Antennas RF Applications

• Maritime vessel navigation systems
• Aviation ground support equipment
• Automotive telematics units
• Surveying and mapping instruments

Antennas RF Procurement Notes

Verify the specific ordering suffix matches the required configuration. Confirm that the magnetic mount variant aligns with installation constraints. Ensure the frequency range covers all necessary constellations for the target deployment. Check compatibility with existing RF front-end interfaces before finalizing the purchase order.

Antennas RF Selection Notes

Select this model when multi-constellation support is mandatory for positioning accuracy. The passive design suits applications requiring low power consumption. Consider the IP67 rating for outdoor exposure. Evaluate the 26 dB gain against link budget requirements for the intended receiver sensitivity.

Antennas RF Part Context

This component belongs to Calian's Tallysman series of GNSS antennas. It utilizes proprietary Accutenna technology to enhance signal acquisition. The product line focuses on high-precision navigation solutions for mission-critical environments across marine, aviation, and land transport sectors.

Antennas RF Replacement Considerations

The TW2643P is a documented substitute part number offering similar single-band passive GNSS capabilities. Verify mechanical interface compatibility and electrical parameter alignment before substitution.