MAF94048 RF Antenna 2.4GHz Whip/Tilt Connector Mount

Part Overview

The MAF94048 is a 2.4GHz WLAN whip/tilt RF antenna manufactured by TE Connectivity Laird, designed for wireless local area network applications operating in the 2.4GHz to 2.5GHz frequency band. This component features a U.FL (UMCC) and IPEX MHF1 connector mount configuration with 1.5dBi gain and a 100mm cable assembly.

The MAF94048 has reached obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or maintenance requirements for systems utilizing this antenna.

Substiute Parts

MAF94048

TE Connectivity LairdIn Stock: 747MAF94048 Datasheet

Current PartRFQ

TRF1001

Microchip TechnologyIn Stock: 1189TRF1001 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAF94048 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Frequency Band: 2.4GHz operation
• Termination Type: U.FL (UMCC) and I-PEX MHF1 connector compatibility
• Antenna Type: Whip/Tilt configuration
• RF Standard: WiFi-capable operation
• Moisture Sensitivity Level: MSL 1 or equivalent

Allowable Variation Parameters:

• Gain: Substitute may differ from 1.5dBi (TRF1001 provides 2dBi)
• Mounting Type: Connector Mount vs. Panel Mount (both support connector-based integration)
• Cable Length: Substitute may differ from 100mm (TRF1001 provides 150mm)
• Height: Substitute may differ from 109.00mm (TRF1001 provides 62.00mm)
• VSWR: Not specified for substitute; not a limiting factor

The TRF1001 meets all mandatory matching parameters while providing enhanced gain and alternative mounting flexibility.

Parameter Comparison

Engineering Selection Recommendations

The TRF1001 is a qualified substitute for the MAF94048 based on the following engineering criteria:

Product Status Alignment: The TRF1001 maintains active product status with current manufacturing support, addressing the obsolescence of the MAF94048.

Connector Compatibility: Both parts utilize U.FL (UMCC) and I-PEX MHF1 terminations, ensuring direct electrical compatibility with existing PCB designs and RF interfaces.

Frequency Band Coverage: The TRF1001 operates within the 2.4GHz band required for WiFi applications, maintaining functional equivalence for WLAN system integration.

Compliance and Certification: The TRF1001 is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The MAF94048 compliance status is not fully specified in available documentation.

Mechanical Integration Considerations: The TRF1001 features panel mount configuration versus the MAF94048 connector mount design. This difference requires mechanical redesign of mounting interfaces but does not affect electrical performance. The TRF1001 provides reduced height (62.00mm vs. 109.00mm) and extended cable length (150mm vs. 100mm), offering design flexibility for space-constrained applications.

Performance Characteristics: The TRF1001 provides 2dBi gain compared to the MAF94048's 1.5dBi, representing a 0.5dBi improvement in radiated power efficiency.

Frequently Asked Questions (FAQ)

Q: Can the TRF1001 directly replace the MAF94048 without PCB modification?

A: The TRF1001 shares identical connector termination (U.FL UMCC and I-PEX MHF1) with the MAF94048, ensuring electrical compatibility. However, the mounting type differs: MAF94048 uses connector mount while TRF1001 uses panel mount. PCB mechanical redesign is required to accommodate the panel mount configuration.

Q: What is the impact of the 0.5dBi gain difference between these antennas?

A: The TRF1001 provides 2dBi gain versus the MAF94048's 1.5dBi gain. This 0.5dBi increase represents approximately 12% improvement in radiated power efficiency. System link budget calculations should account for this performance enhancement.

Q: Are the connector types truly compatible between MAF94048 and TRF1001?

A: Both parts terminate in U.FL (UMCC) and I-PEX MHF1 connectors. These connector types are standardized RF interface specifications. Direct connector-level compatibility is confirmed.

Q: Does the 150mm cable length of the TRF1001 versus 100mm on the MAF94048 affect RF performance?

A: Cable length affects system integration and routing flexibility but does not alter the antenna's intrinsic RF characteristics. The extended 150mm cable on the TRF1001 provides greater placement flexibility in compact designs.

Q: What compliance certifications apply to the TRF1001 as a substitute?

A: The TRF1001 is ROHS3 compliant and REACH unaffected. These certifications meet current environmental and regulatory standards for electronic components in commercial applications.

Q: Can the TRF1001 support both WiFi and Zigbee applications?

A: The TRF1001 is specified for 802.15.4, WiFi, and Zigbee operation. The MAF94048 is specified for WiFi only. The TRF1001 provides expanded protocol support within the same 2.4GHz frequency band.