MTC-LEU4-B03 Equivalent & Substitute Parts

Part Overview

The MTC-LEU4-B03 is an LTE CAT 4 cellular modem with integrated GPS functionality, manufactured by Multi-Tech Systems Inc. as part of the MultiConnect® Cell 100 series. This device operates across multiple frequency bands (700MHz, 900MHz, 1.8GHz, 2.1GHz, 2.6GHz) and supports both RS-232 and USB interfaces with a maximum data rate of 150Mbps. The product is classified as obsolete, making identification of equivalent substitute components necessary for ongoing system maintenance, legacy system support, and new design implementations where this functionality is required.

Substiute Parts

MTC-LEU4-B03

Multi-Tech Systems Inc.In Stock: 1218MTC-LEU4-B03 Datasheet

Current PartRFQ

MTC-L4G2D-B03

Multi-Tech Systems Inc.In Stock: 1031MTC-L4G2D-B03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MTC-LEU4-B03 is determined by the following critical parameters:

Primary Substitution Criteria:

• Function classification as a modem
• LTE protocol support
• Maximum data rate of 150Mbps
• USB interface capability
• Manufacturer continuity (Multi-Tech Systems Inc.)
• Series alignment (MultiConnect® Cell 100)

Secondary Compatibility Factors:

• Frequency band coverage for target network deployment
• Power supply voltage compatibility with system architecture
• Interface requirements (USB primary, RS-232 secondary)
• Regulatory compliance status

The MTC-L4G2D-B03 qualifies as a direct substitute based on matching function, protocol, data rate, USB interface, manufacturer, and series designation. Frequency band differences and voltage supply variations represent design-specific considerations that must be evaluated within the context of the target application.

Parameter Comparison

Engineering Selection Recommendations

MTC-L4G2D-B03 Substitution Basis:

The MTC-L4G2D-B03 is the manufacturer-recommended substitute for the obsolete MTC-LEU4-B03. Both components maintain identical data rate specifications (150Mbps) and share the same manufacturer and product series designation. The substitute part carries active product status, ensuring ongoing availability and support.

Key Differences Requiring Evaluation:

1. Frequency Band Coverage: The substitute operates on 700MHz, 1.7GHz, and 1.9GHz bands, compared to the original part's five-band coverage. Network compatibility must be verified against target deployment regions.

2. Interface Configuration: The substitute provides USB interface only, eliminating RS-232 connectivity. System architecture must accommodate USB-only communication requirements.

3. GPS Functionality: The substitute does not include GPS protocol support. Applications requiring positioning data require alternative solutions.

4. Power Supply Voltage: The substitute accepts 7V to 32V input, providing broader voltage compatibility compared to the original 5V requirement. System power architecture must be evaluated for compatibility.

5. Regulatory Compliance: The substitute's RoHS status is not specified in available documentation. Compliance verification is necessary for regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the MTC-L4G2D-B03 directly replace the MTC-LEU4-B03 in all applications?

A: Direct replacement is possible only when the application requirements align with the substitute's specifications. The substitute lacks GPS functionality and RS-232 interface support, and operates on a reduced frequency band set. These differences must be evaluated against specific system requirements.

Q: What are the primary functional differences between these two modems?

A: The main differences are: (1) GPS protocol support is present in the original but absent in the substitute; (2) RS-232 interface is available on the original but not the substitute; (3) frequency band coverage differs, with the original supporting five bands and the substitute supporting three bands; (4) power supply voltage ranges differ (5V fixed versus 7V-32V variable).

Q: Is the MTC-L4G2D-B03 suitable for applications requiring GPS positioning?

A: No. The MTC-L4G2D-B03 does not support GPS protocol. Applications requiring positioning functionality must identify alternative components with GPS capability.

Q: How do the frequency bands affect network compatibility?

A: Frequency band selection determines which cellular networks the modem can access. The original MTC-LEU4-B03 supports 700MHz, 900MHz, 1.8GHz, 2.1GHz, and 2.6GHz bands. The substitute MTC-L4G2D-B03 supports 700MHz, 1.7GHz, and 1.9GHz bands. Network compatibility depends on which bands are deployed in the target geographic region and by the target carrier.

Q: What interface changes must be accommodated when switching to the substitute?

A: The original part provides both RS-232 and USB interfaces. The substitute provides USB interface only. System designs relying on RS-232 communication must be redesigned to use USB connectivity, or alternative components with RS-232 support must be identified.

Q: Are there packaging differences between these parts?

A: Yes. The original MTC-LEU4-B03 is supplied in Box packaging, while the substitute MTC-L4G2D-B03 is supplied in Bulk packaging. Procurement and inventory management processes may require adjustment to accommodate bulk packaging requirements.

Q: What is the significance of the product status difference?

A: The original part is classified as obsolete, indicating discontinued manufacturing and limited availability. The substitute is classified as active, indicating current production and ongoing manufacturer support. Active status provides assurance of continued availability and technical support.

Q: How does the voltage supply difference impact system design?

A: The original part requires a fixed 5V supply. The substitute accepts 7V to 32V input, providing flexibility for systems with variable power architectures. However, system power delivery must be verified to ensure the substitute's voltage requirements are met.