RED 3.1(b) testing

RED 3.1(b) testing

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Meet EMC requirements for RED 3.1(b)

RED EMC testing

Regulatory EMC testing is a crucial requirement for wireless devices entering the EU market under the Radio Equipment Directive (RED) 2014/53/EU. This directive mandates that all devices with wireless functionality must undergo testing to ensure compliance with electromagnetic compatibility (EMC) standards, specifically RED 3.1(b).

Devices that require RED 3.1(b) EMC compliance include:

  • Smartphones
  • Tablets
  • Laptops
  • Smartwatches and other wearable devices
  • IoT-connected home appliances
  • Wireless printers
  • Smart TVs, gaming controllers and other home entertainment equipment
  • Wireless security cameras
  • Wireless baby monitors
  • WLAN routers
  • UAV drones

These devices must demonstrate compliance from both product and wireless functionality aspects. For example, EV charging stations are increasingly connected to cloud-based services via wireless technologies. As such, these stations need to meet EMC standards for both their charging systems and wireless connectivity.

Today, many wireless devices incorporate multiple wireless technologies. For example, a smartphone often includes cellular technologies (2G/3G/4G/5G), Wi Fi, Bluetooth and ultrawideband (UWB). Each of these technologies require independent compliance testing. This ensures that devices perform as expected without causing interference, maintaining reliable operation in real-world environments.

As a leading test solution provider for over 50 years, Rohde & Schwarz has a long history of providing EMC test solutions, from advanced EMI receivers to turn-key systems. We are a trusted EMC test solution and service partner, guiding you through the process of creating solutions that fit your needs today and meet the demands of tomorrow.

RED EMC requirements and standards

Wireless devices must meet stringent compliance requirements under RED 3.1(b). This involves emissions testing to limit radio frequency interference and immunity testing to evaluate resilience against external electromagnetic fields.

The European Telecommunications Standards Institute (ETSI) drives this effort by developing and updating the ETSI EN 301 489 series standards, ensuring alignment with evolving wireless technologies. Key standards include:

  • EN 301 489-1: Common EMC technical requirements for radio equipment.
  • EN 301 489-17: EMC standards for broadband data transmission systems.
  • EN 301 489-33: Specific conditions for ultra-wideband (UWB) devices.
  • EN 301 489-50 and EN 301 489-52: EMC standards for cellular base stations, user equipment, and ancillary devices.
  • EN 301 489-20: Standards for mobile earth stations (MES) used in satellite-based communication systems like NTN-IoT and NTN-NR.

Regulatory EMC testing includes emissions tests, which measure and limit electromagnetic radiation, and immunity tests, which ensure devices maintain functionality under electromagnetic interference. These tests are critical for ensuring reliable device operation and meeting EU market entry requirements.

Want to discuss your RED testing applications with our experts?

Products for RED 3.1(b) testing

R&S®TS9982 EMS test system

Flexible base system with a modular design for conducted and radiated EMS measurements.

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R&S®TS9975 EMI test system

Test system that covers all common EMI measurements over a large frequency range.

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R&S®ESW EMI test receiver

Receiver ideal for fast and reliable certification measurements.

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R&S®ESR EMI test receiver

Midrange EMI test receiver for fast and reliable compliance testing.

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