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IW416 release notes

IW416 release notes#

Package information#

  • SDK version: 25.12.00

Parent topic:IW416 release notes

Version information#

  • Wireless SoC: IW416

  • Wi-Fi and Bluetooth/Bluetooth LE firmware version: 16.92.21.p153.9

    • 16 - Major revision

    • 92 - Feature pack

    • 21 - Release version

    • p153.9 - Patch number

Parent topic:IW416 release notes

Host platform#

  • All i.MX RT platforms running FreeRTOS.

  • Host interfaces

    • Wi-Fi over SDIO (SDIO 2.0 Support, SDIO clock frequency: 50 MHz)

    • Bluetooth/Bluetooth LE over UART

  • Test tools

    • iPerf (version 2.1.9)

Parent topic:IW416 release notes

Wi-Fi and Bluetooth certification#

The Wi-Fi and Bluetooth certification is obtained with the following combinations.

WFA certifications#

  • STA | 802.11n

  • STA | PMF

  • STA | FFD

  • STA | SVD

  • STA | WPA3 SAE (R3)

  • STA | QTT

Refer to 6.

Note: This release supports STAUT only certifications.

Parent topic:Wi-Fi and Bluetooth certification

Bluetooth controller certification#

QDID: refer to 4.

Note: QDID upgrade to Bluetooth Core Specification Version 5.4 is in progress.

Parent topic:Wi-Fi and Bluetooth certification

Parent topic:IW416 release notes

Wi-Fi throughput#

Throughput test setup#

  • Environment: Shield Room - Over the Air

  • Access Point: Asus AX88u

  • DUT: IW416 Murata (Module: 1XK M.2) with EVK-MIMXRT1060 EVKC platform

  • DUT Power Source: External power supply

  • Client: Apple MacBook Air

  • Channel: 6 | 36

  • Wi-Fi application: wifi_wpa_supplicant

  • Compiler used to build application: armgcc

  • Compiler Version: gcc-arm-none-eabi-13.2

  • iPerf commands used in test:

TCP TX

iperf -c <remote_ip> -t 60

TCP RX

iperf -s

UDP TX

iperf -c <remote_ip> -t 60 -u -B <local_ip> -b 120

Note: The default rate is 100 Mbps.

UDP RX

iperf -s -u -B <local_ip>

Note: Read more about the throughput test setup and topology in 2.

Parent topic:Wi-Fi throughput

STA throughput#

External AP: Asus AX88u

STA mode throughput - BGN Mode | 2.4 GHz Band | 20 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

44

47

59

59

WPA2-AES

39

43

58

55

WPA3-SAE

39

45

57

53

STA mode throughput - BGN Mode | 2.4 GHz Band | 40 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

72

59

95

87

WPA2-AES

69

58

116

92

WPA3-SAE

57

58

115

91

STA mode throughput - AN Mode | 5 GHz Band | 20 MHz (HT)

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

43

48

59

59

WPA2-AES

42

48

56

60

WPA3-SAE

42

47

57

58

STA mode throughput - AN Mode | 5 GHz Band | 40 MHz (HT)

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

68

64

118

96

WPA2-AES

65

59

117

96

WPA3-SAE

69

59

118

96

Parent topic:Wi-Fi throughput

Mobile AP throughput#

External client: Apple MacBook Air

Mobile AP mode throughput - BGN Mode | 2.4 GHz Band | 20 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

41

45

52

54

WPA2-AES

42

45

53

53

WPA3-SAE

45

42

53

53

Mobile AP mode throughput - BGN Mode | 2.4 GHz Band | 40 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

62

70

123

90

WPA2-AES

61

65

117

90

WPA3-SAE

61

65

118

87

Mobile AP mode throughput - AN Mode | 5 GHz Band | 20 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

44

45

58

57

WPA2-AES

42

45

55

56

WPA3-SAE

43

45

57

56

Mobile AP mode throughput - AN Mode | 5 GHz Band | 40 MHz

Protocol

TCP (Mbit/s)

TCP (Mbit/s)

UDP (Mbit/s)

UDP (Mbit/s)

Direction

TX

RX

TX

RX

Open security

75

85

118

100

WPA2-AES

77

68

118

100

WPA3-SAE

77

69

118

100

Parent topic:Wi-Fi throughput

Parent topic:IW416 release notes

EU conformance tests#

  • EU Adaptivity test - EN 300 328 v2.1.1 (for 2.4 GHz)

  • EU Adaptivity test - EN 301 893 v2.1.1 (for 5 GHz)

Parent topic:IW416 release notes

Bug fixes and/or feature enhancements#

Firmware version: From 16.91.21.p64.1 to 16.91.21.p82#

Component

Description

Wi-Fi

  • WPA3-R3 enabled APUT beacons does not have RSNXE when configured in H2E mode

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p82 to 16.91.21.p91.6#

Component

Description

Wi-Fi

NA

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p91.6 to 16.91.21.p124#

Component

Description

Wi-Fi

  • Cloud keep alive packets not seen after DUT enters host sleep. DUT is sending QOS null packets even in host sleep

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p124 to 16.91.21.p133#

Component

Description

Wi-Fi

NA

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p133 to 16.91.21.p133.2#

Component

Description

Wi-Fi

  • DUT STA getting rebooted after 15~20 iterations of 11R-Command based roaming
  • 0xa4 command timeout after several hours of stress test

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p133.2 to 16.91.21.p142.5#

Component

Description

Wi-Fi

  • DUT fails to reconnect after the configured auto-reconnect time interval.

Coex

  • During HFP call, TX side noise is observed with coex CLI

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p142.5 to 16.91.21.p149.4#

Component

Description

-

NA

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.91.21.p149.4 to 16.92.21.p151.7#

Component

Description

Wi-Fi

Samsung S24 Ultra and Google Pixel 7 mobiles having Android 14 are not able connect to the DUTAP with WPA3 SAE security.

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.92.21.p151.7 to 16.92.21.p153.5#

Component

Description

Wi-Fi

  • The DUT encounters a command response timeout during the execution of the wlan-info command following UDP traffic tests.

Wi-Fi

  • Random hang issue seen when using wlan-p2p-find/stop in succession

Parent topic:Bug fixes and/or feature enhancements

Firmware version: From 16.92.21.p153.5 to 16.92.21.p153.6#

Component

Description

Wi-Fi

Enabled mbedtls 3.x

Parent topic:Bug fixes and/or feature enhancements

Parent topic:IW416 release notes

Known issues#

Component

Description

Coex

  • Wi-Fi connection in 2.4GHz is not stable, observed deauthentication within 10sec.

Parent topic:IW416 release notes

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