MTSMC-LAT3.R2A Equivalent & Substitute Parts

Part Overview

The MTSMC-LAT3.R2A is a Cellular 4G LTE CAT-1 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 data rate of 10Mbps and supports serial interface connectivity via U.FL through-hole antenna connector. The module is currently classified as Obsolete, necessitating identification of active alternative components for new designs and ongoing system support.

Substiute Parts

MTSMC-LAT3.R2A

Multi-Tech Systems Inc.In Stock: 1207MTSMC-LAT3.R2A 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.R2A is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Manufacturer: Multi-Tech Systems Inc. (same manufacturer ensures firmware and protocol compatibility)
• Series: SocketModem® Cell (maintains software and hardware ecosystem compatibility)
• Mounting Type: Through Hole (ensures mechanical fit in existing PCB designs)
• Antenna Connector: U.FL (maintains RF interface compatibility)
• Operating Temperature Range: -40°C ~ 85°C (ensures thermal compatibility)
• Voltage Supply Range: Must accommodate 3.3V ~ 5V operation or be compatible with existing power supplies

Functional Compatibility Criteria:

• RF Family/Standard: Cellular (maintains cellular network operation)
• Serial Interfaces: Must support serial communication protocols
• Package/Case: Module form factor (maintains form factor compatibility)

The MTSMC-L1G2D qualifies as a substitute based on these parameters. While it extends frequency band coverage and adds GNSS/GPS capability, it maintains the core mechanical, electrical, and interface requirements necessary for direct substitution in applications requiring cellular transceiver functionality.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution:

The MTSMC-L1G2D is the manufacturer-recommended substitute for the obsolete MTSMC-LAT3.R2A. Both components are manufactured by Multi-Tech Systems Inc. within the SocketModem® Cell series and share identical operating temperature ranges, through-hole mounting, and U.FL antenna connectivity.

Product Status Consideration:

The MTSMC-LAT3.R2A is classified as Obsolete, while the MTSMC-L1G2D maintains Active product status. This transition from obsolete to active status supports long-term supply chain continuity and ongoing technical support.

Compliance and Certification:

The MTSMC-LAT3.R2A is ROHS3 Compliant with REACH Unaffected status. The MTSMC-L1G2D compliance certifications are not specified in the provided data and must be verified through the manufacturer for applications requiring specific regulatory compliance.

Voltage Supply Consideration:

The MTSMC-LAT3.R2A operates across 3.3V ~ 5V, while the MTSMC-L1G2D operates at 5V. Designs currently operating the main part at 3.3V require power supply adjustment when implementing the substitute.

Interface Expansion:

The MTSMC-L1G2D provides expanded serial interface options (UART and USB) compared to the main part's serial interface, offering enhanced connectivity flexibility without compromising existing serial communication requirements.

Frequently Asked Questions (FAQ)

Q: Can the MTSMC-L1G2D directly replace the MTSMC-LAT3.R2A in existing designs?

A: The MTSMC-L1G2D is mechanically and electrically compatible for through-hole mounting applications. However, the voltage supply specification differs: the main part accepts 3.3V ~ 5V while the substitute requires 5V operation. Designs operating at 3.3V require power supply modification. Additionally, the substitute features an expanded 64-DIP module package with 45 leads compared to the main part's module package, requiring PCB layout verification.

Q: What are the key differences in frequency band coverage?

A: The MTSMC-LAT3.R2A operates on 700MHz, 850MHz, 1.7GHz, and 1.9GHz bands. The MTSMC-L1G2D extends coverage to include 800MHz, 900MHz, 1.8GHz, 2.1GHz, and 2.6GHz bands, providing broader network compatibility. Both parts maintain the core AT&T and T-Mobile frequency bands present in the original design.

Q: Does the MTSMC-L1G2D add functionality beyond cellular transceiver operation?

A: The MTSMC-L1G2D incorporates GNSS and GPS capabilities in addition to LTE cellular functionality. Applications requiring only cellular transceiver operation are unaffected by this additional capability, which operates independently of the cellular transceiver function.

Q: Are the serial interface differences significant for substitution?

A: The MTSMC-LAT3.R2A provides serial interface connectivity, while the MTSMC-L1G2D provides UART and USB interfaces. Existing designs utilizing serial communication remain compatible, as UART is a serial protocol. USB connectivity represents an additional interface option not present in the main part.

Q: What packaging considerations apply to this substitution?

A: Both parts utilize through-hole mounting with U.FL antenna connectors, maintaining mechanical compatibility. The MTSMC-L1G2D package is specified as 64-DIP Module with 45 leads, while the main part is specified as Module. PCB footprint verification is required to confirm lead-to-lead compatibility and mounting hole alignment.

Q: Is the MTSMC-L1G2D suitable for applications requiring ROHS3 compliance?

A: The MTSMC-LAT3.R2A is ROHS3 Compliant. The MTSMC-L1G2D compliance status is not specified in the provided technical data. Verification of ROHS3 compliance for the substitute must be obtained directly from Multi-Tech Systems Inc. for applications with regulatory compliance requirements.