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SR7131D

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The module SR7131D 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 QCA9331which integrates an 802.11n 1x1 MIMO MAC/BB/ radio with internal PA and LNA. Itsupports 802.11 n operations up to 72 Mbps for 20MHZ and 150 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.
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DetailsParameters

1. Features

Ø  The MIPS R24k supports 64KByte I-Cache and32Kbyte D-Cache, targeted to operate at up to 400MHz.

Ø  DDR2 memory up to 512 Mb.

Ø  SPI NOR Flash memory up to 64 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.

Ø  SPI support

2. BlockDiagram


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: 18dBm ± 1.5dB@EVM ≤ -10dB

802.11b@6Mbps: 17dBm ± 1.5dB@EVM ≤ -10dB

802.11b@11Mbps: 17dBm ± 1.5dB@EVM ≤ -10dB

Receive Sensitivity

(PER ≤ 8%)

802.11b@1Mbps: PER @ -94dBm, Typical

802.11b@6Mbps: PER @ -90dBm, Typical

802.11b@11Mbps: PER @ -88dBm, 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: 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: 13dBm ± 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 @ -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: 15dBm ± 1.5dB@EVM ≤ -5dB

802.11n@MCS1: 15dBm ± 1.5dB@EVM ≤ -10dB

802.11n@MCS2: 15dBm ± 1.5dB@EVM ≤ -13dB

802.11n@MCS3: 15dBm ± 1.5dB@EVM ≤ -16dB

802.11n@MCS4: 14dBm ± 1.5dB@EVM ≤ -19dB

802.11n@MCS5: 13dBm ± 1.5dB@EVM ≤ -22dB

802.11n@MCS6: 13dBm ± 1.5dB@EVM ≤ -25dB

802.11n@MCS7: 12dBm ± 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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