Hangzhou Gubei Electronics Technology 3303-SBSL Wifi Module User Manual
Hangzhou Gubei Electronics Technology Co.,Ltd Wifi Module
User Manual
User Manual Model:3303-SBSL Module Features A. Support IEEE802.11b/g/n wirelessstandards B. SupportWEP、WPAandWPA2 encryption C. SupportUART\PWM\ADC\GPIO\I2C Interface D. Support STA\AP\AP+STA mode,etc. E. Support a key function Configuration F.Support TLS\SSL protocol andmDNS G.Support PCB antenna H. 3.3Vpower supply I. Size 17.7mm*31mm*3.6mm(with shield) 1. Product Overview (Hardware) WT2SBSLadopts MTK IOT scheme , is a support 802.11b/g/nWiFi module is ,can communicate with other device via UART port。Module integrates RF transceiver ,MAC, Base-Band , all WIFI protocol and configuration information and network protocol stack , can be widely used in fields such as intelligent home device , remote monitoring equipment , medicine and other fields . Module integrated ARM Cortex-M4F processor , high primary frequencycan reach 192MHz , SRAM 352KB , and built-in 2MB Flash . 1.1 Module basic parameter 1.1.1 Wlan parameter Frequency Range Wireless Standard 2.412 GHz - 2.462 GHz IEEE 802.11 b/g/n 802.11 b: 15.2-15.72dBm; 802.11 g:12.36-13.20dBm RF Power Antenna 802.11 n20: 11.23-12.27dBm; 802.11 n40:9.63-9.71dBm Built-in:PCB antnna Extenrnal:not support 802.11b<-91dBm@1Mbps Receiving Sensitivity 802.11b<-81dBm@11Mbps 802.11g<-86dBm@6Mbps 802.11g<-69dBm@54Mbps Protocol Stack Data Rate(max) Security Support IPv4, TCP/UDP/FTP/HTTP/HTTPS/TLS/mDNS 11M@802.11b, 54M@802.11g, MCS7@802.11n Encryption Standard:WEP/WEPA/WPA2 Encryption Algorithm: WEP64/WEP128/TKIP/AES Network Type STA/AP/STA+AP/WIFI Direct 1.1.2 Absolute Maximum Ratings Symbol Description Min. Max. Units Ts Storage temperature -40 125 ℃ TA Ambient temperature 70 ℃ Vdd Supply voltage 3.0 3.6 Vio Voltage on IO pin 3.3 ESD ESD protection (HBM) 2000 1.1.3 operating 0 DC Voltage and current Specifications Min. Typ. Max. Units VDD 3.3 3.6 VIL(input low voltage) 0.8 VIH(input high voltage) 3.6 VOL(output low voltage) 0.4 VOH(output high voltage) 2.4 3.6 Io 16 mA RPU (Pullup Resistance) 40 190 kΩ RPD(Pulldown Resistance) 10 50 kΩ Standby 110 pulse current @TX 11b @18dBm 11Mbps 320 335 mA pulse current @TX 11g @16dBm 54Mbps 280 290 mA 1.1.4 mA IEEE802.11b mode ITEM Specification Modulation Type DSSS / CCK Frequency range 2412MHz~2462MHz Channel CH1 to CH11 Data rate 1, 2, 5.5, 11Mbps TX Characteristics Min Typical Max. Unit Transmitter Output Power 16 11bTarget Power Frequency Error -10 dBm +10 ppm Constellation Error( peak EVM)@ target power -40 1~11Mbps RX Characteristics Min Typical Max. Unit Minimum Input Level Sensitivity 1Mbps (FER≦8%) -94 11Mbps (FER≦8%) -84 Maximum Input Level -91 -81 -10 dBm dBm dBm (FER≦8%) 1.1.5 IEEE802.11g mode ITEM Specification Modulation Type OFDM Frequency range 2412MHz~2462MHz Channel CH1 to CH11 Data rate 6, 9, 12, 18, 24, 36, 48, 54Mbps TX Characteristics Min Typical Max. Unit Transmitter Output Power 13.5 11gTarget Power +10 ppm 6Mbps -26 dB 54Mbps -33 dB @11MHz -20 dBr @20MHz -28 dBr @30MHz -40 dBr Typical Max. Unit 6Mbps -90 -86 dBm 54Mbps -71 -69 dBm Frequency Error -10 dBm Constellation Error( peak EVM)@ target power Transmit spectrum mask RX Characteristics Min Minimum Input Level Sensitivity Maximum Input Level (FER≦10%) -20 dBm 1.1.6 IEEE802.11n 40MHz bandwidth mode ITEM Specification Modulation Type OFDM Frequency range 2422MHz~2452MHz Channel CH3 to CH11 Data rate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max. Unit Transmitter Output Power 10 11n HT40 Target Power +10 ppm MCS0 -26 dB MCS7 -33 dB @11MHz -20 dBr @20MHz -28 dBr @30MHz -40 dBr Typical Max. Unit MCS0 -90 -86 dBm MCS7 -71 -69 dBm Frequency Error -10 dBm Constellation Error( peak EVM)@ target power Transmit spectrum mask RX Characteristics Min Minimum Input Level Sensitivity Maximum Input Level (FER≦10%) -20 dBm 1.1.6 IEEE802.11n 20MHz bandwidth mode ITEM Specification Modulation Type OFDM Frequency range 2412MHz~2462MHz Channel CH1 to CH11 Data rate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max. Unit Transmitter Output Power 12.5 11n HT20 Target Power +10 ppm MCS0 -26 dB MCS7 -33 dB @11MHz -20 dBr @20MHz -28 dBr @30MHz -40 dBr Typical Max. Unit MCS0 -90 -86 dBm MCS7 -71 -69 dBm Frequency Error -10 dBm Constellation Error( peak EVM)@ target power Transmit spectrum mask RX Characteristics Min Minimum Input Level Sensitivity Maximum Input Level (FER≦10%) -20 dBm 1.1.7 IEEE802.11n 40MHz bandwidth mode ITEM Specification Modulation Type OFDM Frequency range 2422MHz~2452MHz Channel CH3 to CH9 Data rate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max. Unit Transmitter Output Power 10 11n HT40 Target Power +10 ppm MCS0 -26 dB MCS7 -33 dB @11MHz -20 dBr @20MHz -28 dBr @30MHz -40 dBr Typical Max. Unit MCS0 -90 -86 dBm MCS7 -71 -69 dBm Frequency Error -10 dBm Constellation Error( peak EVM)@ target power Transmit spectrum mask RX Characteristics Min Minimum Input Level Sensitivity Maximum Input Level (FER≦10%) -20 dBm 1.2 Hardware Description 1.2.1 Mechanical Dimensions 1.2.2 Recommend package dimension (unit:mm) 1.2.3Interface definition pin 10 11 net GND VDD NRST TX0 GPIO3 RX0 GPIO2 TX1 GPIO37 RX1 GPIO36 RX1 GPIO36 TX1 GPIO37 GPIO39 GPIO35 description GND 3.3V Hardware reset(restart) UART0 TX UART0 RX UART1 TX UART1 RX UART1 RX UART1 TX type POWER POWER I/O I/O I/O I/O I/O I/O I/O I/O 12 13 14 15 16 17 18 GPIO33 VDD GND GPIO57 ADC_IN0 GPIO58 ADC_IN1 I2C1_SCL GPIO24 I2C1_SDA GPIO25 3.3V GND ADC Input0 ADC Input1 I/O POWER POWER I/O I/O I/O I/O I/O I/O Note: 1. UART 0 is used for general transparent transmission , and UART1 is used for the output of debug information,and the serial ports output level is described with reference to DC characteristics,by default. 2. NRST is that module hardware resets ,and low level is effective ,restars after module resets,adn keeps original configuration information. The inner existing RC electrify restoration circuit of module itself. 3. Under the default situations,PIN 12 (GPIO33) is the network light pin,is used for external LED,the configuring condition of indicating module. 4. Under the default situations,PIN11 (GPIO35) is the module software reset pin,and high level is effective,and former configuration information of the back module that resets is eliminated similar factory reset. 5. All GPIO all support PWM output. 6. TX and RX are used for communicating with the ppu of 3V power supply among the UART0,and the serial ports output level is described with reference to 3.3joint DC characteristics. 7. Unsettled processing is done in the GPIO suggestion that is not used,and forbids on the circuit that to GPIO35,GPIO37 does and draws processing. 1.2.3 Built-in Antenna The support of this module selects PCB board to carry antenna,and in 2.4G~2.5G frequency range,antenna port S11 is less than -10dB,the about 1.5dB of antenna gain. antnna gain emulation rediation diagram The antnna port S11simulation curve When selecting the PCB antnna,the module in place should pay attention to the following points when : 1. Components and parts and floor files can not be placed in user PCB base plate and module antenna corresponding region,preferably can be with PCB hollow out that should the zone. 2. Do not place any components and parts in the suggestion module antenna area 10mm,the module base plate is also avoided cabling as for as possible in this zone,forbids applying copper 3. Use in the mould that module is not placed on metal-back or has metal to spray paint. 4. The user is when the pcb board layout in suggestion,as far as possible with the antnna of wifi module near bottom edge,be shown in the following figure,to guarantee the good performance of antnna. 1.3The Hardware Reference Design 1.3.1 The UART Interface Design For the equipment of 3.3V power supply,can equipment of serial and module serial ports directly be linked to each other by the diagram circuit and accomplish communication; If the 5V power supply unit can or design the associated level change-over circuit voluntarity with reference to following circuit,resistance value can be adjusted according to side circuit. 1.3.2 Power Reguirements Give module for power supply if produce 3.3V voltage through LDO, then the capacitance of C1 can be considered with 10u ~ 22u;Give module for power supply if produce 3.3V through the DCDC power supply, the electric capacity of C1 can be considered with 47u or bigger alminium electrolytic condenser。 Please guarantee that power supply can provide enough big electric current, power down occur to avoid module when sending data, the maximum input current of suggestion module is greater than 330mA Module leaves two 3.3Vpin, both can select a pin to module voltage to be provided arbitrarily, also can supply power simultaneously by two pin Maintenance 1.Power rating: Input DC3.3V 2.Declaration of Conformity Hangzhou Gubei Electronics Technology Co., Ltd. hereby declares that this Wifi Module is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC.a copy of the original declaration of conformity may be found or obtained at https://shop1413998575180.1688.com/ FCC Caution. 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. The distance between user and device should be no less than 20cm. The Wifi module is designed to comply with the FCC statement. FCC ID is 2ACDZ-3303-SBSL. The host system using Wifi module, should have label indicated it contain modular FCC ID: 2ACDZ-3303-SBSL
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