IW416 release notes

Package information

• SDK version: 25.06.00

Parent topic:IW416 release notes

Version information

• Wireless SoC: IW416

• Wi-Fi and Bluetooth/Bluetooth LE firmware version: 16.92.21.p151.7

  • 16 - Major revision

  • 92 - Feature pack

  • 21 - Release version

  • p151.7 - 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
OpenSecurity	39	38	59	58
WPA2-AES	38	36	57	58
WPA3-SAE	41	35	57	57

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
OpenSecurity	58	58	93	91
WPA2-AES	56	49	94	74
WPA3-SAE	54	57	94	73

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
OpenSecurity	40	45	61	58
WPA2-AES	40	43	61	57
WPA3-SAE	40	44	61	57

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
OpenSecurity	60	66	94	100
WPA2-AES	58	61	94	98
WPA3-SAE	59	61	94	98

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
OpenSecurity	40	43	59	57
WPA2-AES	40	42	59	57
WPA3-SAE	39	42	59	57

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
OpenSecurity	62	74	121	118
WPA2-AES	60	64	116	91
WPA3-SAE	60	65	116	91

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
OpenSecurity	50	42	45	62
WPA2-AES	42	45	53	62
WPA3-SAE	42	62	53	45

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
OpenSecurity	66	76	126	96
WPA2-AES	63	68	121	95
WPA3-SAE	63	67	121	95

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 {#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 {#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 {#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 {#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

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