MTSMC-L4N1.R1A Equivalent & Substitute Parts

Part Overview

The MTSMC-L4N1.R1A is a cellular and navigation RF transceiver module manufactured by Multi-Tech Systems Inc. as part of the SocketModem® Cell series. This module integrates 4G LTE CAT-4 cellular connectivity (AT&T/Verizon-Mobile compatible) with GNSS navigation capabilities across multiple frequency bands (600MHz, 700MHz, 850MHz, 1.7GHz, 1.9GHz). The module features a U.FL connector for external antenna connection and through-hole mounting configuration.

The MTSMC-L4N1.R1A carries a product status designation of "Not For New Designs," indicating that Multi-Tech Systems Inc. has discontinued active development and support for this specific variant. This status necessitates identification of functionally equivalent substitute components for ongoing production requirements, maintenance applications, and design continuity.

Substiute Parts

MTSMC-L4N1.R1A

Multi-Tech Systems Inc.In Stock: 787MTSMC-L4N1.R1A Datasheet

Current PartRFQ

MTSMC-L4N1.R3

Multi-Tech Systems Inc.In Stock: 842MTSMC-L4N1.R3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MTSMC-L4N1.R1A is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• RF Family/Standard: Cellular, Navigation
• Frequency Bands: 600MHz, 700MHz, 850MHz, 1.7GHz, 1.9GHz
• Voltage Supply Range: 3.3V ~ 5V
• Antenna Type: U.FL connector configuration
• Mounting Type: Through Hole
• Operating Temperature Range: -40°C ~ 85°C
• Series: SocketModem® Cell

Functional Compatibility Parameters:

• Data Rate: 150Mbps minimum
• Serial Interface capability for device communication
• RoHS3 Compliance and REACH Unaffected status for regulatory alignment

The MTSMC-L4N1.R3 qualifies as a direct substitute based on complete alignment across all mandatory parameters. Both modules operate within identical frequency bands, voltage specifications, temperature ranges, and physical mounting configurations. The MTSMC-L4N1.R3 maintains the same SocketModem® Cell series designation and regulatory compliance profile.

Parameter Comparison

Engineering Selection Recommendations

The MTSMC-L4N1.R3 is the appropriate substitute for the MTSMC-L4N1.R1A based on the following engineering criteria:

Product Status Alignment: The MTSMC-L4N1.R3 carries an "Active" product status designation, indicating ongoing manufacturer support, availability, and continued development. This contrasts with the MTSMC-L4N1.R1A "Not For New Designs" status, which signals end-of-life trajectory and reduced long-term availability.

Regulatory Compliance: Both modules maintain identical RoHS3 Compliance and REACH Unaffected certifications, ensuring equivalent environmental and regulatory standing for deployment in regulated markets and applications.

Functional Equivalence: The MTSMC-L4N1.R3 preserves all critical RF performance parameters, frequency band coverage, voltage supply specifications, and operating temperature ranges required for direct functional replacement. The identical 150Mbps data rate and U.FL antenna interface ensure seamless integration into existing RF signal paths.

Interface Enhancement: The MTSMC-L4N1.R3 provides expanded serial interface options (UART and USB) compared to the MTSMC-L4N1.R1A (Serial only), offering improved flexibility for host system integration without compromising backward compatibility.

Package Consideration: The MTSMC-L4N1.R3 utilizes a 64-DIP Module with 45 Leads configuration, which differs from the MTSMC-L4N1.R1A module package. PCB layout and footprint modifications are required to accommodate this package change during implementation.

Frequently Asked Questions (FAQ)

Q: Can the MTSMC-L4N1.R3 be used as a direct drop-in replacement for the MTSMC-L4N1.R1A?

A: The MTSMC-L4N1.R3 is functionally equivalent across all RF, electrical, and thermal parameters. However, the package configuration differs (64-DIP Module, 45 Leads versus standard Module), requiring PCB footprint redesign. The through-hole mounting type remains consistent, but lead placement and spacing will differ.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by alignment of RF Family/Standard (Cellular, Navigation), frequency bands (600MHz, 700MHz, 850MHz, 1.7GHz, 1.9GHz), voltage supply range (3.3V ~ 5V), antenna type (U.FL), mounting type (Through Hole), operating temperature range (-40°C ~ 85°C), and regulatory compliance (RoHS3, REACH Unaffected).

Q: Why is the MTSMC-L4N1.R1A marked "Not For New Designs"?

A: This designation indicates that Multi-Tech Systems Inc. has transitioned this product variant to end-of-life status and is directing new design efforts toward active alternatives. The MTSMC-L4N1.R3 represents the active product line continuation within the SocketModem® Cell series.

Q: Are there differences in serial interface capabilities between these modules?

A: Yes. The MTSMC-L4N1.R1A provides Serial interface connectivity, while the MTSMC-L4N1.R3 offers both UART and USB interfaces. This enhancement in the substitute part provides additional host communication options without reducing compatibility with existing Serial-based implementations.

Q: What is the impact of the different package configurations on circuit board design?

A: The MTSMC-L4N1.R3 64-DIP Module with 45 Leads requires a different PCB footprint compared to the MTSMC-L4N1.R1A. Design engineers must update component placement, trace routing, and via positioning to accommodate the new lead configuration. The through-hole mounting type remains consistent, simplifying mechanical integration.

Q: Are both modules compliant with the same environmental and regulatory standards?

A: Yes. Both the MTSMC-L4N1.R1A and MTSMC-L4N1.R3 maintain identical RoHS3 Compliance and REACH Unaffected certifications. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for both modules, indicating no special moisture handling requirements during storage or assembly.

Q: What is the current availability status of each module?

A: The MTSMC-L4N1.R1A has 739 pieces in stock as new original inventory. The MTSMC-L4N1.R3 has 751 pieces in stock as new original inventory. However, the MTSMC-L4N1.R1A "Not For New Designs" status suggests declining long-term availability, while the MTSMC-L4N1.R3 "Active" status indicates sustained supply continuity.