GPSD9023P RF Antenna Equivalent & Substitute Parts

Part Overview

The GPSD9023P is a dual-band RF antenna module manufactured by TE Connectivity Laird, designed for GPS and navigation applications operating at 915MHz and 1.575GHz. This component features a module-type antenna with TNC Male and SMB Female terminations, rated for 3dB and 26dBi gain across its operating bands. The product is currently classified as obsolete, making identification of functionally equivalent substitute components essential for system redesign, legacy system maintenance, and procurement planning.

Substiute Parts

GPSD9023P

TE Connectivity LairdIn Stock: 749GPSD9023P Datasheet

Current PartRFQ

MA131.A.LK.002

Taoglas LimitedIn Stock: 1267MA131.A.LK.002 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GPSD9023P is determined by the following critical electrical and mechanical parameters:

Frequency Coverage: The substitute component must support the 915MHz band (902MHz ~ 928MHz) and the 1.575GHz GPS band (1.573GHz ~ 1.5787GHz) as minimum requirements. Additional frequency bands do not disqualify a substitute if primary bands are covered.

Antenna Type and Form Factor: The GPSD9023P is a module-type antenna with panel mount configuration. Substitute components must maintain panel mount capability to ensure mechanical compatibility with existing enclosure designs.

Termination Compatibility: The original part features TNC Male and SMB Female connectors. Substitute parts may employ different connector types (such as SMA Male) provided the electrical interface can be adapted through standard RF connector adapters without performance degradation.

VSWR and Impedance: A VSWR of 2 or better indicates acceptable impedance matching. Substitute components must maintain equivalent or superior VSWR performance across the operating frequency bands.

Gain and Radiation Characteristics: The GPSD9023P specifies 3dB and 26dBi gain. Substitute antennas must deliver comparable gain performance to maintain system link budget and reception sensitivity.

Mounting and Physical Envelope: Panel mount configuration with maximum height of 1.250" (31.75mm) defines the physical constraint. Substitute components must fit within or be compatible with the existing mechanical mounting structure.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The GPSD9023P is classified as obsolete. The MA131.A.LK.002 is an active product from Taoglas Limited, ensuring ongoing availability, manufacturing support, and compliance with current regulatory standards.

Frequency Band Coverage: Both components support the critical 915MHz and 1.575GHz GPS bands with overlapping frequency ranges. The MA131.A.LK.002 extends coverage to 1.602GHz (GLONASS band), providing additional functionality without compromising GPS operation.

Regulatory Compliance: Both parts share identical ECCN (7A994) and HTSUS (8529.10.9100) classifications, indicating equivalent export control and tariff treatment. The MA131.A.LK.002 carries RoHS3 compliance and REACH unaffected status, meeting current environmental and chemical restriction requirements.

Connector Interface: The termination difference (TNC/SMB Male versus SMA Male) requires connector adaptation. Standard RF adapter cables (TNC-to-SMA, SMB-to-SMA) are commercially available and introduce negligible insertion loss at these frequencies, enabling straightforward integration.

Physical Integration: The MA131.A.LK.002 has a lower profile (1.122" versus 1.250"), providing improved mechanical compatibility with space-constrained enclosures while maintaining panel mount capability.

Ingress Protection: The MA131.A.LK.002 specifies IP67 and IP69K ratings, offering superior environmental sealing compared to the unspecified protection level of the GPSD9023P. This enhancement is beneficial for outdoor or harsh environment deployments.

Frequently Asked Questions (FAQ)

Q: Can the MA131.A.LK.002 directly replace the GPSD9023P without circuit modifications?

A: Electrical substitution is feasible with connector adaptation. The frequency bands, VSWR, and impedance characteristics are compatible. However, the gain profile differs significantly (0.83dB, -1.4dBi, -1.3dBi versus 3dB, 26dBi), requiring link budget recalculation. Connector type differs (SMA Male versus TNC/SMB), necessitating adapter cables or PCB redesign for direct connection.

Q: What is the impact of the gain difference between these two antennas?

A: The GPSD9023P specifies higher gain values (26dBi on one band). The MA131.A.LK.002 provides lower gain (-1.4dBi, -1.3dBi). System designers must verify that receiver sensitivity and transmitter power remain adequate with the lower-gain substitute. Link budget analysis is required for critical applications.

Q: Are there connector compatibility issues?

A: Yes. The GPSD9023P uses TNC Male and SMB Female connectors, while the MA131.A.LK.002 uses SMA Male connectors. Standard RF adapter cables (TNC-to-SMA, SMB-to-SMA) are available and introduce minimal insertion loss at UHF frequencies. Alternatively, PCB redesign to accommodate SMA connectors eliminates adapter requirements.

Q: Does the additional 1.602GHz band in the MA131.A.LK.002 affect GPS-only applications?

A: No. The additional GLONASS band (1.602GHz) does not interfere with GPS operation at 1.575GHz. GPS-only systems operate normally. The extended frequency coverage provides future flexibility for GNSS multi-constellation support without component replacement.

Q: What are the environmental sealing differences?

A: The GPSD9023P does not specify ingress protection rating. The MA131.A.LK.002 is rated IP67 and IP69K, providing sealed operation in wet and high-pressure environments. For applications requiring environmental protection, the MA131.A.LK.002 offers superior durability.

Q: Are both parts compliant with current export and environmental regulations?

A: Yes. Both components share ECCN 7A994 classification. The MA131.A.LK.002 carries RoHS3 compliance and REACH unaffected status, meeting current EU and international environmental requirements. The GPSD9023P, being obsolete, may not carry current certifications.

Q: What is the moisture sensitivity level, and does it affect storage or handling?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage conditions without desiccant or controlled humidity are acceptable. No special handling precautions are required.

Q: Can the MA131.A.LK.002 be used in legacy systems designed for the GPSD9023P?

A: Electrical substitution is possible with connector adaptation and link budget verification. Mechanical integration is straightforward due to compatible panel mount configuration and smaller form factor. Connector type difference requires adapter cables or PCB modification. Gain profile difference necessitates system-level testing to confirm performance adequacy.