MAF94403 Equivalent & Substitute Parts Reference

Part Overview

The MAF94403 is a 2.45GHz WLAN whip 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) connector with IPEX MHF1 base mount configuration and is rated for unlimited moisture sensitivity (MSL 1).

The MAF94403 has reached obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this antenna.

Substiute Parts

MAF94403

TE Connectivity LairdIn Stock: 1101MAF94403 Datasheet

Current PartRFQ

ANT-2.4-PML-UFL

TE Connectivity LinxIn Stock: 3562ANT-2.4-PML-UFL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAF94403 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Frequency Range: Must cover or fall within 2.4GHz ~ 2.5GHz band
• Termination Type: Must be U.FL (UMCC), IPEX MHF1 connector
• Antenna Type: Must be Whip or Tilt configuration
• RF Standard: Must support WiFi or compatible wireless standards (802.11b/g/n)

Compatible Variation Parameters:

• Mounting Type: Base mount or panel mount configurations are both acceptable for circuit board integration
• Height: Variations within reasonable mechanical envelope are permissible
• VSWR: Values at or below 2.0 indicate acceptable impedance matching
• Gain: Presence of gain specification indicates improved performance characteristics

The ANT-2.4-PML-UFL qualifies as a substitute part because it meets all mandatory matching parameters while offering enhanced electrical performance and active product status.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility:

The ANT-2.4-PML-UFL is a direct substitute for the MAF94403 based on electrical and mechanical compatibility. Both components share identical U.FL (UMCC) IPEX MHF1 termination, operate within overlapping frequency ranges covering the 2.4GHz WiFi band, and maintain equivalent moisture sensitivity ratings.

Compliance Advantages:

The ANT-2.4-PML-UFL carries active product status with RoHS compliance certification, providing long-term supply chain stability and regulatory alignment. The substitute part's REACH unaffected status ensures compliance with European chemical regulations.

Performance Considerations:

The ANT-2.4-PML-UFL demonstrates improved VSWR (1.9 versus 2.0) and includes specified gain (2.4dBi), indicating superior impedance matching and radiation efficiency. The extended frequency range (2.35GHz ~ 2.6GHz) provides broader operational bandwidth than the original part.

Mechanical Integration:

The substitute part uses panel mount configuration versus the original base mount design. The increased height (150.30mm versus 104.85mm) requires verification of available mounting space within the target application enclosure. Both mounting types utilize identical connector interfaces, enabling straightforward electrical substitution with mechanical adaptation as needed.

Frequently Asked Questions (FAQ)

Q: Can the ANT-2.4-PML-UFL directly replace the MAF94403 without circuit board modifications?

A: Electrical substitution is direct due to identical U.FL (UMCC) IPEX MHF1 connectors. Mechanical mounting requires adaptation from base mount to panel mount configuration. Verify available space for the increased antenna height (150.30mm versus 104.85mm).

Q: What is the significance of the improved VSWR specification in the substitute part?

A: VSWR (Voltage Standing Wave Ratio) of 1.9 versus 2.0 indicates better impedance matching at the antenna connector. Lower VSWR values reduce signal reflection and improve transmission efficiency within the 2.4GHz WiFi band.

Q: Does the ANT-2.4-PML-UFL support the same WiFi standards as the MAF94403?

A: Yes. Both parts operate within the 2.4GHz frequency band required for 802.11b/g/n WiFi standards. The substitute part additionally supports Bluetooth and Zigbee™ protocols within the same frequency range.

Q: Are there supply chain advantages to using the ANT-2.4-PML-UFL?

A: Yes. The substitute part carries active product status with 3488 units in stock versus the obsolete MAF94403. Active status ensures continued availability, manufacturer support, and compliance with current regulatory standards including RoHS.

Q: What is the cable length specification for the ANT-2.4-PML-UFL?

A: The substitute part includes a 305mm cable assembly as part of the standard configuration.

Q: Are both parts rated for unlimited moisture exposure?

A: Yes. Both the MAF94403 and ANT-2.4-PML-UFL carry MSL 1 (Unlimited) ratings, indicating no moisture sensitivity restrictions for storage or handling.