Learn about updates—including new features and behavior changes—introduced in each version of the RFmx for Bluetooth Test®.

RFmx for Bluetooth® Test 2025 Q4 New Features and Changes

  • Added support for Frequency Error measurement of Bluetooth® LE HDT Packets.
  • Added support for TxP measurement of Bluetooth® LE HDT Format 0 packets with Constant Tone Extension.
  • Added Python API support.

Behavior Changes

  • The definition of Payload Length (bytes) for LE HDT packets has been updated. It is now interpreted as the payload zone length including CRC bits.
  • The valid range for Payload Length (bytes) has been changed.
    • For Format0, 0 - 514 (previously 0 – 510).
    • For Format1, 0–33020 (previously 0–8191).
  • When Payload Length Mode is set to Auto, the default value of the Payload Length (bytes) parameter has been updated to 514 for both Format0 and Format1 (previously 510 for Format0 and 8191 for Format1)

RFmx for Bluetooth® Test 2025 Q3 New Features and Changes

  • Support for Self-Cal Validity Check for PXIe-5860.
  • Support for Bluetooth® LE HDT ModAcc, TxP and ACP measurements compatible with HDT RFPHY_Test_CR r06test specification.
  • Support for varying Zadoff-Chu index in Bluetooth® LE HDT ModAcc and TxP measurement.

RFmx for Bluetooth® Test 2025 Q2 New Features and Changes

  • Support for Bluetooth® LE HDT [High Data Throughput] ModAcc measurement for Format 1 packets .
  • Support for Bluetooth® LE HDT ModAcc, TxP and ACP measurements compatible with HDT RFPHY_Test_FIPD_r06 test specification.

RFmx for Bluetooth® Test 2025 Q1 New Features and Changes

  • Support for Bluetooth® LE HDT [High Data Throughput] ModAcc measurement for Format 0 packets.

RFmx for Bluetooth® Test 2024 Q4 New Features and Changes

  • Bluetooth® LE Channel Sounding standard complies with Core Specification version 6.0 and Test Suite RFPHY.TS.p22.
  • Support for Bluetooth® LE HDT [High Data Throughput] ACP Measurement .
  • Support for Bluetooth® LE HDT TxP measurement.

Behavior Changes

  • Uninstalling RFmx Bluetooth® Test software also removes any previous versions of RFmx Bluetooth® Test .NET runtimes that were leaked in .NET Global Assembly Cache directory.

RFmx for Bluetooth® Test 2024 Q3 New Features and Changes

  • Support for PXIe-5860

RFmx for Bluetooth® Test 2024 Q2 New Features and Changes

  • Support for Modulation spectrum measurement for Bluetooth Channel Sounding
  • Support for df1/df2 measurement for Bluetooth Channel Sounding
  • Support for Transmit Antenna Switching Integrity for Bluetooth Channel Sounding
  • Measurement updates for Bluetooth Channel Sounding BT=2.0
  • Measurement updates for Bluetooth LE based Hyperlength
  • Obsoleted the RFmxInstr Load All Configurations VI. Use the RFmxInstr Load Configurations VI along with the appropriate RFmxInstr Load Options property, instead.

RFmx for Bluetooth® Test 2024 Q1 New Features and Changes

  • Support for PowerRamp measurements for channel sounding packets
  • Clock drift estimate improvements for channel sounding packets

RFmx for Bluetooth® Test 2023 Q4 New Features and Changes

  • Support for Channel Sounding version of Bluetooth® physical layer conforming to the Bluetooth® Core Channel Sounding CR (July 2023), and the Bluetooth® Channel Sounding Test spec r04 (April 2023)
    • Support for Frequency Error, Clock Drift, and Preamble start time as part of Demodulation for Channel Sounding packets
    • Support for Detrended Phase trace and CS Tone Amplitude/Phase trace as part of Channel Sounding Phase measurements
    • Support for TxP for Channel Sounding packets
  • Support for obtaining unprocessed I/Q data utilized for RFmx measurements

RFmx for Bluetooth® Test 2023 Q3 New Features and Changes

  • Added support for saving and loading RFmx configurations into/from rfmxconfig files. Load from TDMS is supported but save into TDMS files is discontinued.