WiFi AP Module Product Specification Model Name.: M31 M31 802.11 ac WiFi AP Module Product Specification File Name M31 802.11 ac WiFi AP Module Product Specification Revision Version B1 Release Date 20-Feb-2021 1 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 Table of Contents 1 Product Overview ............................................................... 3 2 Applications ........................................................................ 3 3 Features ............................................................................... 4 4 Block Diagram ..................................................................... 4 5 Interfaces ............................................................................. 5 6 Module Specifications ........................................................ 6 7 Module Pinout and Pin Definition ..................................... 7 8 PCB Footprint and Dimensions ...................................... 10 9 Electrical Characteristics ................................................. 11 10 Order information ............................................................. 12 11 Statement ........................................................................ 13 12 Contact Us ....................................................................... 14 2 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 1 Product Overview M31 is a complete, small form factor 802.11 a/b/g/n/ac Wi-Fi Solution optimized for low power, low-cost, and highly integrated AP and consumer electronic devices, the module integrates all Wi-Fi functionality in a package friendly to low-cost PCB design, requiring only a few external 3.3V and connection to antenna. The module integrates a 2.4GHz 2x2 MIMO wlan chip with internal PA and LNA and integrates a 5GHz 1x1 wlan chip with internal PA and LNA.. It supports 802.11n operations up to 150 Mbps for 20MHz band width and 300 Mbps for 40MHz band width,and 802.11b/g data rates, and supports 5GHz operations up to 433 Mbps for 80 MHz channel respectively. The module supports AP mode and client mode at the same time and include mass service application software to reduce the research and design work of customer. M31 Top View 2 Applications WiFi AP 3G/4G WiFi Router WiFi Repeater WiFi Enabled Security Cameras Smart Door Locks Building Automation Smart Home & Building Smart Healthcare Industrial Sensor Controller 3 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 3 Features Small Module Size 50mm x 30mm x 9.0mm Compliant to 802.11 a/b/g/n/ac DDR Memory up to 128MB SPI NOR Flash memory up to 32MB LAN ports and 1 WAN port Supports USB 2.0 host/device(option) mode Supports GPIO/LED Supports AP mode and Client mode Support High-Speed UART for console The MIPS R24k supports 64KByte I-Cache and 32Kbyte D-Cache, targeted to operate at up to 550MHz. Security: WPA/WPA2, WEP, TKIP and AES, WPS2.0, WAPI 4 Block Diagram 4 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 5 Interfaces USB The USB2.0 interface support USB slave devices, such as USB storage device, USB 3G/4G dongle, USB camera, etc. UART The UART default baud rate is 115200bps. GPIO The GPIO Support 2.5/3.0/3.3V Voltage. WAN/LAN The M31 module integrates 5-port 10/100Mbps fast Ethernet switch. ANT The antenna is Ipex antenna, and is permanent connection antenna. the antenna is 2.0dBi,This antenna is permanently paired with a product to sell. ( Only antennas of the same type and with equal or less gains as shown below may be used with the The WiFi AP module. Other types of antennas and/or higher gain antennas may require additional uthorization for operation) Module operation instructions 1. the module button on the antenna, according to the following requirements of the power supply, power up, this time the red LED often bright, about 3 seconds to wait about seconds to complete the initial 2. Iphone/Android mobile phone WIFI function to open, search to the corresponding WIFI AP module name (name can be changed according to customer production requirements), click the name of the WIFI and select the connection. 3. open application software (need to install the company's specific application software development, application software interface can be customized according to customer's product requirements), click on the interface to see the scene 5 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 6 Module Specifications Hardware Features Model No.:
Antenna Type Chipset Solution CPU Clock Speed DDR2 Memory Flash Memory Network Interface Voltage M31 IPEX QCA9531+QCA9887 Up to 650MHz Up to 1024Mb Up to 256Mb 1WAN/4LAN , 10/100Mbps 1xSPI, 1xUART,1xUSB2.0, 10xGPIO 3.3V5%
DimensionLxWxH 50mm*30mm*9.0mm Wireless Features Wireless Standards Frequency Range Data Rates Receiver Sensitivity Modulation Technique IEEE 802.11 a/b/g/n/ac 2412GHz---2484MHz; 5180-5240MHz and 5745-5825MHz IEEE 802.11n : MCS0--MCS7 @ HT20 IEEE 802.11n : MCS0--MCS7 @ HT40 IEEE 802.11g : 6,9,12,18,24,36,48,54Mbps IEEE 802.11b : 1,2,5.5,11Mbps IEEE 802.11ac : MCS0--MCS9 @ VHT80 /5GHz band VHT80 MCS9 : -58dBm@10% PER(MCS9) /5GHz band HT40 MCS7 : -69dBm@10% PER(MCS7) HT20 MCS7 : -71dBm@10% PER(MCS7) 54M: -75dBm@10% PER 11M: -88dBm@ 8% PER DSSS (DBPSK, DQPSK, CCK) OFDM (BPSK, QPSK, 16-QAM, 64-QAM, 125-QAM, 256-QAM) Wireless Security WPA/WPA2, WEP, TKIP and AES, WPS2.0, WAPI Transmit Power IEEE 802.11n: 13-16dBm @HT20/40 MCS7 IEEE 802.11ac: 122dBm @HT80 MCS9 /5GHz band IEEE 802.11ac: 162dBm @HT80 MCS0 /5GHz band Work Mode Others Certification Environment IEEE 802.11g: 14-17dBm @54M IEEE 802.11b: 16-20dBm @11M Bridge/Gateway/AP Client FCC/IC/CE/RoHS/Proposition 65 Operating Temperature: -20~70 Storage Temperature: -40~85 Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing 6 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. 7 Module Pinout and Pin Definition WiFi AP Module Product Specification Model Name.: M31 Note:
I/O A digital bidirectional signal I A digital input signal O A digital output signal P A power or ground signal OA An analog output signal IA Analog input signal IH Input signals with weak internal pull-up,to prevent signals from floating when left open NC No connection should be made to this pin 7 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. Symbol Name Status Pin Description WiFi AP Module Product Specification Model Name.: M31 GND GND LED_LINK_4(GPIO_11) LAN_PORT1_RX+
LED_LINK_3(GPIO_14) LAN_PORT1_RX-
LED_LINK_2(GPIO_15) LAN_PORT1_TX+
GND LAN_PORT1_TX-
LAN_PORT0_TX+
GND LAN_PORT0_TX-
LAN_PORT2_TX+
LAN_PORT0_RX+
LAN_PORT2_TX-
LAN_PORT0_RX-
LAN_PORT2_RX+
VDD_3.3V LAN_PORT2_RX-
VDD_3.3V GND GPIO_0 WAN_PORT_RX+
GPIO_1 WAN_PORT_RX-
GPIO_2 WAN_PORT_TX+
GPIO_3 WAN_PORT_TX-
P P I/O IA I/O IA I/O OA P OA OA P OA OA IA OA IA IA P IA P P I/O IA I/O IA I/O OA I/O OA GROUND GROUND LAN_PORT3_LED Ethernet port LAN_PORT2_LED Ethernet port LAN_PORT1_LED, Dont pull up by default Ethernet port GROUND Ethernet port Ethernet port GROUND Ethernet port Ethernet port Ethernet port Ethernet port Ethernet port Ethernet port 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V Ethernet port 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V GROUND GPIO Ethernet port GPIO Ethernet port GPIO Ethernet port GPIO Ethernet port Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 8 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. 31 32 33 34 35 36 37 38 39 40 41 42 WiFi AP Module Product Specification Model Name.: M31 NC LAN_PORT3_RX+
NC LAN_PORT3_RX-
X IA X IA NC Ethernet port NC Ethernet port USB +
IA/OA USB signal, carries USB data to and from the USB 2.0 PHY LAN_PORT3_TX+
OA Ethernet port USB -
IA/OA USB signal, carries USB data to and from the USB 2.0 PHY LAN_PORT3_TX-
SYSTEM_LED(GPIO_13) GND VDD_2.5V OUTPUT VDD_2.0V OUTPUT 43 RESET 44 VDD_2.0V OUTPUT JUMPSTART(GPIO_17) 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 GND GND SPI_MI_SO 3.3V SPI_CLK 3.3V SPI_MO_SI WAN_LED(GPIO_4) LED_LINK_1(GPIO_16) NC WLAN_LED(GPIO_12) UART_RX UART_TX GND GND OA I/O P P P IH P I/O P P I P O P O I/O I/O X I/O I O P P Ethernet port SYSTEM_LED. Dont pull up by default GROUND I/O Voltage ouput Power supply output for peripheral network transformer external power on reset , it has an internal 10 K pull up resistance,the external pull low effective. Power supply output for peripheral network transformer KEY_INPUT to start WPS function, it has an internal 10 K pull-up resistance,the external pull low effective. GROUND GROUND SPI data input 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V SPI_CLK 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V SPI data ouput WAN LED LAN_PORT0_LED NC 2.4G_wifi_LED Serial data in Serial data out. Dont pull up by default GROUND GROUND 9 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. 8 PCB Footprint and Dimensions WiFi AP Module Product Specification Model Name.: M31 10 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 9 Electrical Characteristics Absolute Maximum Ratings Parameter Condition Storage temperature range ESD Protection Supply voltage Voltage on any I/O pin VESD VDD_3.3V Min
-40
0
-0.3 Typ. Max 125 2000 3.6 3.63 Unit C V V V M31 series modules are Electrostatic Sensitive Devices and require special precautions while handling. ESD precautions The M31 module contain highly sensitive electronic circuitry and are Electrostatic Sensitive Devices (ESD). Handling the M31 module without proper ESD protection may destroy or damage them permanently. The M31 module are electrostatic sensitive devices (ESD) and require special ESD precautions typically applied to ESD sensitive components. Proper ESD handling and packaging procedures must be applied throughout the processing, handling, transportation and operation of any application that incorporates the M31 module. Dont touch the module by hand or solder with non-anti-static soldering iron to avoid damage to the module. Recommended Operation Ratings Parameter Extended temp. range Power Supply Input Low Voltage Input High Voltage Condition TA VDD_3.3V Min
-40
0
-0.3 Typ. Max 125 2000 3.6 3.63 Unit C V V V Measurement Conditions System State Standby Transmit (2.4g; +15 dBm @ TX HT20 MCS7.) Transmit (2.4g; +18 dBm @ 11b 11Mbps.) Current (Typ.)@3.3V Current (Max.)@3.3V 180 mA 400 mA 580 mA 210 mA 512mA 685 mA 11 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 10 Order information Part Number M31-128M16 M31-128M32 RAM 128MB 128MB Flash 16MB 32MB Marking M31-128M16 M31-128M32 Antenna Antenna type 2.4G ANT. 2.4G ANT. 5G ANT. Gain 2 dBi 2 dBi 2 dBi Antenna connector SMA Inner hole SMA Inner hole SMA Inner hole 12 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 11 Statement FCC 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
(2) this device must accept any interference received, including interference that may cause undesired operation.Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. NOTE: 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of th e following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help important announcement Important Note:
Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for anuncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter. Important Note:
In the event that these conditions cannot be met (for example certain laptop configurations or colocation with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for reevaluating the end product (including the transmitter) and obtaining a separate FCC authorization. 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 and your body. This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter. 13 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. WiFi AP Module Product Specification Model Name.: M31 12 Contact Us Shenzhen Embstar Technology Co.,Ltd. Address: Room 208, Building B, No. 133 Longsheng Road, Longxin Community, Baolong Street, Longgang District, Shenzhen, Guangdong, China Phone: 86-755-2995 0069 Email: embstar@emb-star.com Website: www.emb-star.com Website on alibaba.com:embstar.en.alibaba.com Radiation Exposure Statement:
The module is limited to OEM installation only. The OEM integrator is responsible for ensuring that the end-user has no manual instruction to remove or install module. This module should be installed and operated with a minimum distance 20cm between the radiator and your body. OEM integrator shall equipped the antenna to compliance with antenna requirement part 15.203&
15.204 and must not be co-located or operating in conjunction with any other antenna or transmitters. And OEM host shall implement a Class II Permissive Change (C2PC) or a new FCC ID to demonstrate complied with FCC standard. The OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. This module support 2.4G WLAN 2412-2462MHz which compliance with part 15.247. And support 5150-5250MHz(Client type) &5745-5850MHz which compliance with part 15.407. The final end product must be labelled in a visible area with the following:
Contains Transmitter Module 2AUPL-M31 14 / 14 Copyright 2018 Shenzhen Embstar Technology Co.,Ltd. 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.