W4000D197 RF Antenna 1.575GHz GPS Module MMCX Male

Part Overview

The W4000D197 is a 1.575GHz GPS module RF antenna manufactured by Pulse Electronics, designed for navigation applications requiring MMCX male termination. This active product features 1.5dBi gain with integrated LNA capability and adhesive mounting. The part is RoHS3 compliant and MSL 1 rated, indicating unlimited moisture tolerance suitable for standard storage and handling conditions.

Substitute parts are identified based on matching RF family (Navigation), frequency band (1.575GHz center frequency within UHF 1GHz-2GHz range), and compatible electrical/mechanical parameters that maintain functional equivalence in GPS applications.

Key Parameters

Parameter	W4000D197 Value
Manufacturer	Pulse Electronics
RF Family/Standard	Navigation
Frequency (Center/Band)	1.575GHz
Frequency Group	UHF (1GHz ~ 2GHz)
Antenna Type	Module
Number of Bands	1
VSWR	1.5
Gain	1.5dBi
Features	LNA
Termination	MMCX Male
Mounting Type	Adhesive
Height (Max)	1.969" (50.00mm)
Applications	GPS
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the W4000D197 is determined by the following criteria:

Primary Matching Criteria:

RF Family/Standard: Navigation
Frequency (Center/Band): 1.575GHz
Frequency Group: UHF (1GHz ~ 2GHz)
Applications: GPS

Secondary Compatibility Criteria:

VSWR: ≤ 2.0 (main part: 1.5)
Gain: ≥ -1dBic (main part: 1.5dBi)
Features: LNA and/or Filter acceptable
Mounting Type: Adhesive (with or without additional chassis mount option)
RoHS Status: ROHS3 Compliant
MSL Rating: 1 (Unlimited)
Product Status: Active

Termination Compatibility Note: The main part uses MMCX Male termination. Substitute parts identified in the provided list use U.FL (UMCC), IPEX MHF1, or IPEX MHFHT terminations. These represent different connector families and require mechanical/electrical interface adaptation for direct substitution.

Parameter Comparison

Part Number	Manufacturer	Frequency (Center)	Antenna Type	VSWR	Gain	Features	Termination	Mounting	Height (Max)	RoHS Status	MSL	Product Status
W4000D197	Pulse Electronics	1.575GHz	Module	1.5	1.5dBi	LNA	MMCX Male	Adhesive	1.969" (50.00mm)	ROHS3	1	Active
ALA.01.07.0095A	Taoglas Limited	1.575GHz	PCB Trace	2	3.1dBi	LNA, Filter	U.FL (UMCC), IPEX MHF1	Adhesive, Chassis Mount	0.020" (0.50mm)	ROHS3	1	Active
AP.17E.07.0064A	Taoglas Limited	1.575GHz	Ceramic Patch	2	-1dBic	LNA, Filter	U.FL (UMCC), IPEX MHF1	Adhesive	0.157" (4.00mm)	ROHS3	1	Active
FXUB70.A.07.C.001	Taoglas Limited	850MHz, 1.575GHz, 1.8GHz, 2.1GHz, 2.4GHz, 2.6GHz	Flat Patch	2, 2, 1.8, 1.7, 1.7, 2.3	1dBi, 2.5dBi, 4.6dBi, 5dBi, 5dBi, 4.5dBi	Cable - 150mm	U.FL (UMCC), IPEX MHF1	Adhesive	0.008" (0.20mm)	ROHS3	1	Active
FXUB71.A.07.C.001	Taoglas Limited	1.9GHz	Flat Patch	—	4.42dBi	—	IPEX MHFHT (2)	Adhesive	0.006" (0.15mm)	ROHS3	1	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status and ROHS3 compliance with MSL 1 rating, matching the regulatory and environmental requirements of the W4000D197.

Primary Substitutes (1.575GHz Center Frequency, Navigation RF Family):

ALA.01.07.0095A and AP.17E.07.0064A are the closest functional equivalents, both operating at 1.575GHz for GPS applications. Both include LNA and Filter features with ROHS3 compliance and MSL 1 rating. ALA.01.07.0095A offers higher gain (3.1dBi) with PCB trace antenna type and dual mounting options. AP.17E.07.0064A provides ceramic patch construction with lower gain (-1dBic) and single adhesive mounting. Both require U.FL (UMCC) or IPEX MHF1 termination adaptation from the MMCX Male connector of the main part.

Multi-Band Substitute (1.575GHz Included):

FXUB70.A.07.C.001 operates across six frequency bands including 1.575GHz with 2.5dBi gain at that frequency. This part supports GPS alongside CDMA, GPRS, GSM, HSPA, LTE, and Wi-Fi applications. It includes 150mm cable integration and U.FL (UMCC)/IPEX MHF1 termination. VSWR at 1.575GHz is 2, and return loss is -10dB.

Secondary Consideration (Adjacent Frequency):

FXUB71.A.07.C.001 operates at 1.9GHz center frequency with wide-band coverage (698MHz ~ 3GHz) encompassing the 1.575GHz GPS band. This part supports GPS, LTE, WCDMA, and WLAN applications with 4.42dBi gain. It uses IPEX MHFHT (2) termination and requires connector adaptation.

All substitutes require evaluation of termination compatibility with existing system interfaces, as the main part uses MMCX Male while substitutes use U.FL, IPEX MHF1, or IPEX MHFHT connectors.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the W4000D197?

A: Substitution is based on matching RF Family (Navigation), center frequency (1.575GHz), frequency group (UHF 1GHz-2GHz), and GPS application compatibility. VSWR must not exceed 2.0, gain must be ≥ -1dBic, and parts must maintain ROHS3 compliance and MSL 1 rating. Mounting type (adhesive) and active product status are required.

Q: Can I use a multi-band antenna like FXUB70.A.07.C.001 as a direct replacement?

A: FXUB70.A.07.C.001 includes 1.575GHz operation within its six-band coverage with 2.5dBi gain at that frequency, meeting electrical parameters for GPS applications. However, it requires U.FL (UMCC)/IPEX MHF1 termination instead of MMCX Male, necessitating connector interface adaptation. The multi-band design may introduce additional complexity in system integration.

Q: What is the impact of different antenna types (Module vs. PCB Trace vs. Ceramic Patch)?

A: Antenna type affects physical form factor, integration method, and performance characteristics. The W4000D197 uses Module type (1.969" height). ALA.01.07.0095A (PCB Trace, 0.020" height) offers minimal profile for space-constrained applications. AP.17E.07.0064A (Ceramic Patch, 0.157" height) provides intermediate form factor. Selection depends on available mounting space and system layout requirements.

Q: Are all substitute parts in active production status?

A: Yes. All identified substitute parts maintain active product status, ensuring availability and ongoing manufacturer support equivalent to the W4000D197.

Q: What connector adaptation is required for substitution?

A: The W4000D197 uses MMCX Male termination. Substitute parts use U.FL (UMCC), IPEX MHF1, or IPEX MHFHT connectors. Direct mechanical and electrical interface adaptation is required through appropriate connector cables or adapters to integrate substitutes into existing systems designed for MMCX Male termination.

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