How to choose a suitable 5g modem?

1)Introduction

If you are developing a smartphone, router, IoT device, or automotive solution, selecting the right 5G modem is critical. This guide walks through the decision-making process.

2)Key Selection Criteria

1. Application Scenario

Smartphone

FWA Router

Industrial IoT

Automotive

2. Frequency Support

Ensure global band compatibility.

3. Throughput Requirements

Determine peak and sustained speeds needed.

4. Power Budget

Battery-powered devices require highly efficient modems.

5. Form Factor

Integrated vs discrete.

Smartphone Use Case

Requirements:

mmWave + Sub-6 support

High MIMO layers

AI optimization

IoT Use Case

Requirements:

Lower power

RedCap or simplified 5G

Cost efficiency

Automotive Use Case

Requirements:

Ultra-low latency

High reliability

Extended temperature tolerance

Cost Considerations

Factors affecting modem cost:

Silicon process node

Licensing fees

Certification

Integration complexity

Certification and Compliance

Modems must pass:

3GPP standards

Carrier certification

Regional regulatory approval

Integration Tips

Optimize antenna placement

Validate thermal design

Conduct real-world testing

Future-Proofing

Choose modems supporting:

5G Advanced

Satellite NTN

AI enhancements

3)Frequently Asked Questions (FAQ)

1. Should I choose integrated or discrete?

Integrated for power efficiency, discrete for flexibility.

2. Do all modems support mmWave?

No. Some support only Sub-6.

3. What is RedCap?

A simplified 5G version for IoT.

4. Is certification difficult?

Yes, especially for global products.

5. How long does integration take?

Typically 6–12 months depending on complexity.

Which brand 5G modem will be best choice for you? The answer is E-Lins, a 5G modem expert since 1999, providing you many excellent 5G modems.