MTSMC-LAT3.R4 Equivalent & Substitute Parts

Part Overview

The MTSMC-LAT3.R4 is a Cellular 4G LTE CAT-3 transceiver module manufactured by Multi-Tech Systems Inc., designed for AT&T and T-Mobile network compatibility. This RF TXRX module operates across 700MHz, 850MHz, 1.7GHz, and 1.9GHz frequency bands with a U.FL connector interface and through-hole mounting configuration. The module is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing system support.

Substiute Parts

MTSMC-LAT3.R4

Multi-Tech Systems Inc.In Stock: 982MTSMC-LAT3.R4 Datasheet

Current PartRFQ

MTSMC-L1G2D

Multi-Tech Systems Inc.In Stock: 915MTSMC-L1G2D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MTSMC-LAT3.R4 is determined by the following critical parameters:

Mechanical Compatibility:

• Package type: 64-DIP Module, 45 Leads
• Mounting interface: Through Hole
• Antenna connector: U.FL

Electrical Compatibility:

• Voltage supply range: 3.3V ~ 5V
• Operating temperature range: -40°C ~ 85°C
• Serial interface capability

Regulatory Compliance:

• RoHS3 Compliance
• REACH Unaffected status
• Moisture Sensitivity Level 1

Functional Requirements:

• RF Family/Standard: Cellular
• Antenna interface: U.FL connector
• Through-hole mounting configuration

The MTSMC-L1G2D qualifies as a substitute based on matching mechanical form factor, electrical operating parameters, regulatory compliance status, and antenna interface specifications. The substitute maintains the same package configuration, mounting type, and connector interface while providing extended frequency band coverage and active product status.

Parameter Comparison

Engineering Selection Recommendations

The MTSMC-L1G2D serves as the direct substitute for the obsolete MTSMC-LAT3.R4 based on the following engineering criteria:

Product Status Alignment: The MTSMC-LAT3.R4 is classified as obsolete, making the active MTSMC-L1G2D the appropriate replacement for ongoing production and system support.

Mechanical Compatibility: Both modules share identical package specifications (64-DIP Module, 45 Leads) and through-hole mounting configuration, enabling direct PCB layout compatibility without redesign.

Electrical Operating Parameters: Both modules operate within the -40°C to 85°C temperature range and maintain the same data rate specification of 10Mbps. The MTSMC-L1G2D operates at 5V supply, which falls within the 3.3V to 5V range of the original part.

Antenna Interface: Both modules utilize U.FL connector interfaces for antenna attachment, ensuring mechanical and electrical compatibility with existing antenna solutions.

Regulatory Compliance: The MTSMC-LAT3.R4 maintains ROHS3 compliance and REACH unaffected status. The substitute part maintains the same manufacturer lineage and series designation, supporting regulatory continuity.

Enhanced Functionality: The MTSMC-L1G2D provides extended frequency band coverage (700MHz, 800MHz, 850MHz, 900MHz, 1.7GHz, 1.8GHz, 1.9GHz, 2.1GHz, 2.6GHz) and additional serial interface options (UART, USB) compared to the original part, offering expanded capability for new designs.

Frequently Asked Questions (FAQ)

Q: Can the MTSMC-L1G2D be used as a direct replacement for the MTSMC-LAT3.R4 in existing designs?

A: The MTSMC-L1G2D is mechanically and electrically compatible with the MTSMC-LAT3.R4 due to matching package configuration (64-DIP Module, 45 Leads), through-hole mounting interface, U.FL antenna connector, and operating temperature range (-40°C to 85°C). The substitute operates at 5V, which is within the original part's 3.3V to 5V supply range. Existing PCB layouts and antenna solutions are compatible without modification.

Q: What are the key differences between the MTSMC-LAT3.R4 and MTSMC-L1G2D?

A: The primary differences are product status (obsolete versus active), protocol support (4G LTE CAT-3 versus GNSS/GPS/LTE), frequency band coverage (4 bands versus 9 bands), and serial interface options (Serial versus UART/USB). The substitute provides extended frequency band support and additional communication interface options while maintaining mechanical and electrical compatibility.

Q: Are there any voltage supply considerations when substituting the MTSMC-L1G2D for the MTSMC-LAT3.R4?

A: The MTSMC-LAT3.R4 accepts 3.3V to 5V supply voltage, while the MTSMC-L1G2D operates at 5V. If the original design supplies 3.3V exclusively, the power supply must be adjusted to 5V for the substitute module. Designs already operating at 5V require no modification.

Q: Do both modules use the same antenna connector type?

A: Yes, both the MTSMC-LAT3.R4 and MTSMC-L1G2D utilize U.FL connectors for antenna attachment. Existing U.FL antennas and RF cables are compatible with the substitute module without modification.

Q: What is the significance of the 64-DIP Module, 45 Leads package specification?

A: The 64-DIP Module, 45 Leads package defines the physical form factor and pin configuration. Both the main part and substitute share this identical package specification, ensuring PCB footprint compatibility and eliminating the need for circuit board redesign during substitution.

Q: Are there any serial interface compatibility considerations?

A: The MTSMC-LAT3.R4 provides a Serial interface, while the MTSMC-L1G2D offers UART and USB interfaces. Designs utilizing the original Serial interface must be evaluated for compatibility with UART/USB communication protocols. UART is a standard serial communication protocol and typically compatible with existing serial implementations.

Q: What is the operating temperature range for both modules?

A: Both the MTSMC-LAT3.R4 and MTSMC-L1G2D operate across the identical temperature range of -40°C to 85°C, ensuring thermal compatibility in equivalent environmental conditions.