Specifications

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WiFi Module specification

MT7668U

1. GeneralDescription

This Wi-Fi module is a highly integrated MCU module with built-in 2X2 dual-frequency

wireless

LAN, supports ieee802.11a /b/g/n 11ac standard, provides the highest speed of 867Mbps,

provides rich wireless connections and reliable throughput.

*Embedded high-performance 32bit RISC microprocessor

*Highly integrated rf and 55nmCMOS technologies

*The 40MHz crystal clock supports low-power running and sleeping modes.

2. Features

nHighlyintegrated28nmRFCMOS technology

n9x9QFN76pinspackage

nIntegratehighefficiencypower managementunitwith single3.3Vpower supplyinput

n26,40,52MHzcrystalclocksupportwithlowpoweroperationinidlemode

nBufferedclockoutputfor co-clockwithotherSOC chipset

n32-bit RISCMCUfor Wi-Fi/Bluetoothprotocols

nARMCortex-R4MCUforWi-Fioffload

nEmbeddedSRAM/ROM

n SDIOdevicefullycomplianttoSDIO3.0specification

nUARTinterfacewith hardwareflowcontrol

nProgrammableand multiplexedGPIO pins

nIEEE802.11a/b/g/n/accompliant

nSupport20MHz,40MHz,80Mhz bandwidthin2.4GHzband 5GHzband

nDual-band 2T2Rmode,datarateup to450MbpswithSDIO3.0.

nSupportMU-MIMO RXand DBDC(dualbanddualconcurrent)

nSupport STBC,LDPC,TXBeamformer and RXB eamformee

nGreenfield, mixedmode,legacymodes support

nIEEE802.11d/e/h/i/j/k/mc/r/v/wsupport

nSecuritysupportforWFAWPA/WPA2personal,WPS2.0,WAPI

nQoSsupportofWFAWMM,WMMPS

nIntegratedLNA,PA, andT/Rswitch

Summary of content (11 pages)

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WiFi Module specification MT7668U 1. GeneralDescription This Wi-Fi module is a highly integrated MCU module with built-in 2X2 dual-frequency wireless LAN, supports ieee802.11a /b/g/n 11ac standard, provides the highest speed of 867Mbps, provides rich wireless connections and reliable throughput. *Embedded high-performance 32bit RISC microprocessor *Highly integrated rf and 55nmCMOS technologies *The 40MHz crystal clock supports low-power running and sleeping modes. 2.
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3. Statement Federal Communication Commission Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This device is intended only for OEM integrators under the following conditions: 1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2) The transmitter module may not be co-located with any other transmitter or antenna.
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. Essential information Module: Module Description Standard CDW-627668U IEEE 802.11a/b/g/n/ac (2T2R) WiFi WIFI: 802.11a/b/g/n/ac 2.4GHz: 2400-2483.5MHz Frequency Band RF Max power FCC rules Data Transfer Rate Modulation Method Security Product name: Chipset: I/O port: Power supply: Operation Temperature Range: 5 GHz: 5150-5250MHz, 5250-5350MHz, 5470-5725MHz, 5725-5850MHz 2.4GHz:22.27dBm/MHz 5 GHz: 5150-5250MHz:15.71dBm/MHz :15.71dBm/MHz 5250-5350MHz: 5350MHz: 16.72dBm/MHz 5470-5725MHz: 5725MHz: 17.
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8 9 NC GND NC Ground 17 5 / 11 GND Ground
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. Pin Assignments Item 1 2 3 4 5 6 7 8 9 10 Definition NC Vcc NC DP NC DM NC GND GND RST Description No connect 3.3V No connect data+ No connect dataNo connect Ground Ground Reset Item 11 12 13 14 15 16 17 18 19 20 Definition NC W_UP NC B_UP NC GND NC GND NC GND 7.
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8.
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9. Environmental Requirements and Specifications TP Content 9.1 Temperature 9.1.1 Operating Temperature Conditions The product shall be capable of continuous reliable operation when operating in ambient temperature of -20℃ to +60℃. 9.1.3 Non-Operating Temperature Conditions Neither subassemblies shall be damaged nor shall the operational performance be degraded when restored to the operating temperature when exposed to storage temperature in the range of -45℃ to +135℃. 10.
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12. Storage Condition 12.1 Moisture barrier bag before opened Moisture barrier bag must be stored under 30 degree C, humidity under 85% RH. The calculated shelf life for the dry packed product shall be a 12 months from the bag seal date. 12.2 Moisture barrier bag open Humidity indicator cards must be blue, <30%. 12.