ANT-GPS-UC-SMA Equivalent & Substitute Parts

Part Overview

The ANT-GPS-UC-SMA is a 1.575GHz GPS module RF antenna manufactured by TE Connectivity Linx, designed for navigation applications requiring single-band GPS reception. This part operates at the standard GPS L1 frequency with a 3dBi gain and features a 5-meter cable with SMA male termination and magnetic mounting. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Key Parameters

Parameter	ANT-GPS-UC-SMA
Manufacturer	TE Connectivity Linx
Frequency (Center/Band)	1.575GHz
Frequency Range	1.574GHz ~ 1.576GHz
Antenna Type	Module
Number of Bands	1
Gain	3dBi
VSWR	1.5
Termination	SMA Male
Mounting Type	Magnetic
Cable Length	5m
Height (Max)	0.555" (14.10mm)
Product Status	Obsolete
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the ANT-GPS-UC-SMA is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Termination type: SMA Male (required for connector compatibility)
Mounting type: Magnetic (required for mechanical fit)
Frequency coverage: Must include 1.575GHz ± tolerance for GPS L1 band operation
Antenna type: Module (form factor requirement)
RF Family/Standard: Navigation (application-specific)

Allowable Variation Parameters:

Gain: May increase from 3dBi (improved performance acceptable)
Number of bands: May increase from 1 (additional bands acceptable if primary band maintained)
Cable length: May decrease from 5m (shorter cables acceptable with system redesign)
VSWR: Must remain at 1.5 or better (impedance matching requirement)
Height: May decrease from 14.10mm (compact form factors acceptable)

The ANT-GPS-SH2-SMA qualifies as a substitute based on these parameters.

Parameter Comparison

Parameter	ANT-GPS-UC-SMA	ANT-GPS-SH2-SMA	Compatibility Notes
Manufacturer	TE Connectivity Linx	TE Connectivity Linx	Same manufacturer
Frequency (Center/Band)	1.575GHz	1.575GHz, 1.602GHz	Primary GPS L1 band maintained; secondary GLONASS band added
Frequency Range	1.574GHz ~ 1.576GHz	1.570GHz ~ 1.580GHz, 1.597GHz ~ 1.607GHz	Wider GPS L1 coverage; GLONASS L4 band included
Number of Bands	1	2	Dual-band capability; backward compatible with single-band operation
Gain	3dBi	5dB	Improved gain; enhanced signal reception
VSWR	1.5	1.5	Identical impedance matching
Termination	SMA Male	SMA Male	Direct connector compatibility
Mounting Type	Magnetic	Magnetic	Identical mounting interface
Cable Length	5m	3m	Shorter cable; system integration may require adjustment
Height (Max)	0.555" (14.10mm)	0.492" (12.50mm)	More compact form factor
Ingress Protection	Not specified	IP66	Enhanced environmental protection in substitute
Product Status	Obsolete	Active	Substitute is currently in production
REACH Status	REACH Unaffected	REACH Unaffected	Both parts meet regulatory requirements

Engineering Selection Recommendations

The ANT-GPS-SH2-SMA is a qualified substitute for the obsolete ANT-GPS-UC-SMA based on the following engineering criteria:

Electrical Compatibility: The ANT-GPS-SH2-SMA maintains the critical GPS L1 frequency band (1.575GHz) with identical VSWR performance (1.5), ensuring direct electrical compatibility with existing receiver circuits. The increased gain (5dB vs. 3dBi) provides improved signal margin without requiring circuit modifications.

Mechanical Compatibility: Both parts feature SMA male termination and magnetic mounting, enabling direct physical replacement without connector or mounting redesign.

Regulatory Compliance: Both parts maintain REACH Unaffected status and identical ECCN classification (7A994), confirming equivalent regulatory standing.

Product Availability: The ANT-GPS-SH2-SMA is currently in active production with 2400 units in stock, whereas the ANT-GPS-UC-SMA is obsolete. This availability difference makes substitution necessary for ongoing procurement.

Design Considerations: The cable length reduction from 5m to 3m requires verification that system integration can accommodate the shorter cable routing. The compact form factor (12.50mm vs. 14.10mm height) presents no compatibility issues. The addition of IP66 ingress protection in the substitute provides enhanced environmental resilience.

Frequently Asked Questions (FAQ)

Q: Can the ANT-GPS-SH2-SMA directly replace the ANT-GPS-UC-SMA without circuit modifications?

A: Yes. Both parts share identical SMA male termination, magnetic mounting, and VSWR (1.5). The GPS L1 frequency band (1.575GHz) is maintained in the substitute. No receiver circuit modifications are required.

Q: What is the impact of the 2-meter cable length reduction?

A: The ANT-GPS-SH2-SMA provides a 3-meter cable versus the original 5-meter cable. System integration must verify that antenna placement can be achieved within the shorter cable distance. Cable extension is possible if required, though this may introduce impedance considerations.

Q: Does the dual-band capability of the ANT-GPS-SH2-SMA affect GPS-only applications?

A: No. The ANT-GPS-SH2-SMA operates in single-band GPS mode when connected to GPS-only receivers. The additional GLONASS L4 band (1.602GHz) is passive and does not interfere with GPS L1 operation.

Q: Are there compliance or certification differences between these parts?

A: Both parts maintain identical REACH Unaffected status and ECCN classification (7A994). The ANT-GPS-SH2-SMA adds IP66 ingress protection, which represents an enhancement with no compliance conflicts.

Q: What is the significance of the gain increase from 3dBi to 5dB?

A: The 2dB gain improvement in the ANT-GPS-SH2-SMA provides enhanced signal reception capability. This is a performance enhancement that does not require circuit modifications and is compatible with existing GPS receivers.

Q: Is the ANT-GPS-SH2-SMA available for immediate procurement?

A: Yes. The ANT-GPS-SH2-SMA is in active production status with 2400 units currently in stock, compared to the obsolete ANT-GPS-UC-SMA.

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