MTQ-LSP3-B02-SP Equivalent & Substitute Parts

Part Overview

The MTQ-LSP3-B02-SP is a cellular and navigation GNSS/LTE transceiver module manufactured by Multi-Tech Systems Inc. as part of the MultiTech Dragonfly™ series. This module integrates dual-mode RF functionality supporting 700MHz, 850MHz, 1.7GHz, and 1.9GHz frequency bands with GNSS navigation capability. The part operates at 5V supply voltage with 33mA current draw in both receiving and transmitting modes, featuring chassis mount configuration with I2C, SPI, UART, and USB serial interfaces.

The MTQ-LSP3-B02-SP is classified as obsolete. Identification of equivalent substitute parts is necessary to maintain system compatibility and ensure continued availability of functionally equivalent RF transceiver modules for new designs or legacy system replacements.

Substiute Parts

MTQ-LSP3-B02-SP

Multi-Tech Systems Inc.In Stock: 1118MTQ-LSP3-B02-SP Datasheet

Current PartRFQ

MTQ-LNA7-B02.R1A-SP

Multi-Tech Systems Inc.In Stock: 854MTQ-LNA7-B02.R1A-SP Datasheet

MFR RecommendedRFQ

MTQ-LNA7-B02.R2-SP

Multi-Tech Systems Inc.In Stock: 1080MTQ-LNA7-B02.R2-SP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MTQ-LSP3-B02-SP is based on the following critical parameters that define functional equivalence:

Frequency Band Compatibility: Both substitute parts operate across the same frequency bands (700MHz, 850MHz, 1.7GHz, 1.9GHz), ensuring RF compatibility with existing antenna and network infrastructure.

Mounting Configuration: All substitute parts maintain chassis mount configuration, preserving mechanical integration with existing enclosures and PCB layouts.

Operating Temperature Range: Substitute parts maintain the identical operating temperature specification (-40°C ~ 85°C), ensuring thermal compatibility across deployment environments.

Module Package Type: All parts are classified as module packages, maintaining form factor consistency.

Supply Voltage Compatibility: The substitute parts operate at 3.3V ~ 5V, which encompasses the 5V requirement of the main part, allowing operation within the original system voltage specification.

Current Consumption: Substitute parts draw 28mA in both receiving and transmitting modes, which is lower than the original 33mA specification, indicating improved power efficiency while remaining compatible with power supply designs.

Serial Interface Compatibility: Substitute parts support UART and USB interfaces, which are present in the main part's interface set, ensuring communication protocol compatibility.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MTQ-LSP3-B02-SP is classified as obsolete, while both substitute parts MTQ-LNA7-B02.R1A-SP and MTQ-LNA7-B02.R2-SP are active products. Active product status ensures continued manufacturer support, availability, and compliance with current regulatory standards.

Regulatory Compliance: Both substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations. The substitute parts include ECCN and HTSUS classifications, indicating full regulatory documentation for export and trade compliance.

Inventory Availability: MTQ-LNA7-B02.R2-SP maintains higher inventory levels (1052 Pcs) compared to MTQ-LNA7-B02.R1A-SP (792 Pcs), providing greater supply chain security for production requirements.

Functional Enhancement: Both substitute parts support 4G LTE CAT-1 protocol with HSPA+ capability and deliver 150Mbps data rate, representing significant performance improvement over the original 10Mbps specification while maintaining backward compatibility with the frequency band and mounting requirements.

Interface Consideration: Substitute parts support UART and USB interfaces, which are core interfaces present in the main part. Systems requiring I2C or SPI interfaces must evaluate alternative solutions or interface adaptation requirements.

Antenna Configuration: Substitute parts feature U.FL antenna connectors, providing standardized RF connection compared to the main part's unspecified antenna configuration. This standardization improves integration flexibility and antenna replacement capability.

Frequently Asked Questions (FAQ)

Q: Can MTQ-LNA7-B02.R1A-SP and MTQ-LNA7-B02.R2-SP be used interchangeably as substitutes for MTQ-LSP3-B02-SP?

A: Both parts meet the core substitution criteria: identical frequency bands (700MHz, 850MHz, 1.7GHz, 1.9GHz), chassis mount configuration, operating temperature range (-40°C ~ 85°C), and supply voltage compatibility (3.3V ~ 5V encompasses the original 5V requirement). Both are active products from the same manufacturer series. Selection between the two substitute parts depends on inventory availability and specific application requirements.

Q: What are the key differences between the main part and substitute parts?

A: The primary differences are: (1) Product Status—substitute parts are active versus obsolete main part; (2) Data Rate—substitute parts support 150Mbps versus 10Mbps; (3) Protocol—substitute parts support 4G LTE CAT-1 and HSPA+ versus GNSS/LTE in the main part; (4) Serial Interfaces—substitute parts support UART and USB versus I2C, SPI, UART, and USB in the main part; (5) Antenna Type—substitute parts feature U.FL connectors versus unspecified in the main part; (6) Current Consumption—substitute parts draw 28mA versus 33mA in the main part.

Q: Are there interface compatibility concerns when substituting the MTQ-LSP3-B02-SP?

A: The substitute parts support UART and USB interfaces, which are present in the main part's interface set. However, the main part also supports I2C and SPI interfaces. Systems that depend exclusively on I2C or SPI communication must evaluate whether UART or USB alternatives are feasible or whether alternative solutions are required.

Q: Does the U.FL antenna connector on substitute parts affect mechanical integration?

A: The U.FL connector on substitute parts represents a standardized RF interface improvement compared to the main part's unspecified antenna configuration. This standardization typically improves integration flexibility. However, existing antenna designs or enclosure configurations must be evaluated for compatibility with the U.FL connector standard.

Q: What is the significance of the lower current consumption in substitute parts?

A: Substitute parts draw 28mA in both receiving and transmitting modes compared to 33mA in the main part. This 5mA reduction per mode indicates improved power efficiency. Existing power supply designs rated for 33mA will operate within safe margins with the substitute parts, providing additional design margin and reduced thermal load.

Q: Are both substitute parts equivalent in terms of regulatory compliance?

A: Both substitute parts are ROHS3 compliant and REACH unaffected. MTQ-LNA7-B02.R2-SP includes ECCN (5A992C) and HTSUS (8517.62.0090) classifications. MTQ-LNA7-B02.R1A-SP regulatory classification details are not provided in the available data. For applications requiring specific export or trade compliance documentation, MTQ-LNA7-B02.R2-SP provides complete regulatory classification information.

Q: What is the practical impact of the 150Mbps data rate in substitute parts versus 10Mbps in the main part?

A: The 150Mbps capability in substitute parts represents a 15-fold increase in theoretical data throughput. This enhancement provides significant performance headroom for future application requirements while maintaining backward compatibility with existing 10Mbps system designs. Applications currently operating at 10Mbps will function without modification.