深圳勤润电子有限公司

SR7231D

Line

The module SR7231D is a complete, smallform factor 802.11 b/g/n Wi-Fi Solution optimized for low power, low-cost, andhighly integrated AP and consumer electronic devices, the module integrates allWi-Fi functionality in a package friendly to low-cost PCB design, requiringonly a few external 3.3V and connection to antenna.

The module based on the single chip QCA9531which integrates an 802.11n 2x2 MIMO MAC/BB/ radio with internal PA and LNA. Itsupports 802.11 n operations up to 150 Mbps for 20MHZ and 300 Mbps for 40MHZ, and802.11b/g data rates.

The module support AP modeand client mode at the same time and include mass service application softwareto reduce the research and design work of customer.

产品详情技术参数

1. Features

Ø The MIPS R24k supports 64KByte I-Cache and32Kbyte D-Cache, targeted to operate at up to 550MHz.

Ø DD2 memory up to 1 Gb.

Ø SPI NOR Flash memory up to 256 Mb.

Ø 4 LAN ports and 1 WAN port.

Ø High-speed UART for console support.

Ø USB 2.0 host/device mode support.

Ø GPIO/LED support.

2. Block Diagram

3. Physical Dimensions

RF Specification

4.1 IEEE 802.11b

Feature	Description
WLAN Standard	IEEE 802.11b, Wi-Fi Compliant
Number of Channels	CH1~CH13 (DSSS/CCK)
Output Power	802.11b@1Mbps: 19dBm ± 1.5dB@EVM ≤ -10dB
	802.11b@2Mbps: 19dBm ± 1.5dB@EVM ≤ -10dB
	802.11b@5.5Mbps: 19dBm ± 1.5dB@EVM ≤ -10dB
	802.11b@11Mbps: 19dBm ± 1.5dB@EVM ≤ -10dB
Receive Sensitivity (PER ≤ 8%)	802.11b@1Mbps: PER @ -94dBm, Typical
	802.11b@2Mbps: PER @ -94dBm, Typical
	802.11b@5.5Mbps: PER @ -92dBm, Typical
	802.11b@11Mbps: PER @ -86dBm, Typical l

4.2 IEEE 802.11g

Feature	Description
WLAN Standard	IEEE 802.11g, Wi-Fi Compliant
Number of Channels	CH1~CH13 (OFDM)
Output Power	802.11g@6Mbps: 17dBm ± 1.5dB@EVM ≤ -5dB
	802.11g@9Mbps: 17dBm ± 1.5dB@EVM ≤ -8dB
	802.11g@12Mbps: 17dBm ± 1.5dB@EVM ≤ -10dB
	802.11g@18Mbps: 17dBm ± 1.5dB@EVM ≤ -13dB
	802.11g@24Mbps: 17dBm ± 1.5dB@EVM ≤ -16dB
	802.11g@36Mbps: 16dBm ± 1.5dB@EVM ≤ -19dB
	802.11g@48Mbps: 14dBm ± 1.5dB@EVM ≤ -22dB
	802.11g@54Mbps: 14dBm ± 1.5dB@EVM ≤ -25dB
Receive Sensitivity (PER ≤ 10%)	802.11g@6Mbps: PER @ -90dBm, Typical
	802.11g@9Mbps: PER @ -89dBm, Typical
	802.11g@12Mbps: PER @ -88dBm, Typical
	802.11g@18Mbps: PER @ -87dBm, Typical
	802.11g@24Mbps: PER @ -86dBm, Typical
	802.11g@36Mbps: PER @ -83dBm, Typical
	802.11g@48Mbps: PER @ -75dBm, Typical
	802.11g@54Mbps: PER @ -72dBm, Typical

4.3 IEEE 802.11n (HT20)

Feature	Description
WLAN Standard	IEEE 802.11n HT20, Wi-Fi Compliant
Number of Channels	CH1~CH13 (OFDM)
Output Power	802.11n@MCS0: 17dBm ± 1.5dB@EVM ≤ -5dB
	802.11n@MCS1: 17dBm ± 1.5dB@EVM ≤ -10dB
	802.11n@MCS2: 17dBm ± 1.5dB@EVM ≤ -13dB
	802.11n@MCS3: 17dBm ± 1.5dB@EVM ≤ -16dB
	802.11n@MCS4: 16dBm ± 1.5dB@EVM ≤ -19dB
	802.11n@MCS5: 15dBm ± 1.5dB@EVM ≤ -22dB
	802.11n@MCS6: 14dBm ± 1.5dB@EVM ≤ -25dB
	802.11n@MCS7: 14dBm ± 1.5dB@EVM ≤ -27dB
Receive Sensitivity (PER ≤ 10%)	802.11n@MCS0: PER @ -90dBm, Typical
	802.11n@MCS1: PER @ -88dBm, Typical
	802.11n@MCS2: PER @ -86dBm, Typical
	802.11n@MCS3: PER @ -82dBm, Typical
	802.11n@MCS4: PER @ -79dBm, Typical
	802.11n@MCS5: PER @ -75dBm, Typical
	802.11n@MCS6: PER @ -73dBm, Typical
	802.11n@MCS7: PER @ -70dBm, Typical

4.4 IEEE 802.11n (HT40)

Feature	Description
WLAN Standard	IEEE 802.11n HT40, Wi-Fi Compliant
Number of Channels	CH3~CH11 (OFDM)
Output Power	802.11n@MCS0: 16dBm ± 1.5dB@EVM ≤ -5dB
	802.11n@MCS1: 16dBm ± 1.5dB@EVM ≤ -10dB
	802.11n@MCS2: 16dBm ± 1.5dB@EVM ≤ -13dB
	802.11n@MCS3: 16dBm ± 1.5dB@EVM ≤ -16dB
	802.11n@MCS4: 15dBm ± 1.5dB@EVM ≤ -19dB
	802.11n@MCS5: 14dBm ± 1.5dB@EVM ≤ -22dB
	802.11n@MCS6: 13dBm ± 1.5dB@EVM ≤ -25dB
	802.11n@MCS7: 13dBm ± 1.5dB@EVM ≤ -27dB
Receive Sensitivity (PER ≤ 10%)	802.11n@MCS0: PER @ -88dBm, Typical
	802.11n@MCS1: PER @ -85dBm, Typical
	802.11n@MCS2: PER @ -83dBm, Typical
	802.11n@MCS3: PER @ -80dBm, Typical
	802.11n@MCS4: PER @ -75dBm, Typical
	802.11n@MCS5: PER @ -72dBm, Typical
	802.11n@MCS6: PER @ -70dBm, Typical
	802.11n@MCS7: PER @ -68dBm, Typical

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