BiTrend™ EssentialSeriesWi-Fi Module Datasheet WT1SBSL
Hangzhou Gubei Electronics Technology Co., Ltd. Copyright Information The information contained in this document is the proprietary information of Hangzhou Gubei Electronics Technology Co., Ltd. (hereinafter referred as BroadLink). Further, no portion of this document may be altered or edited in any form or by any meanswithout the prior written consent of BroadLink, the copyrightholder.
Table of Contents 1. Introduction ................................................................................................................................. 3 1.1 Overview ............................................................................................................................ 3 1.2 Applications....................................................................................................................... 4 1.3 Key Features ..................................................
1. Introduction 1.1 Overview BiTrend™ Essentialis the industrial leading 2.4Ghz 802.11 b/g/n embedded Wi-Fi module which delivers unmatched performance and codeless development in a compact package, providing a quick, easy and cost effective way for developers and manufacturers to add Wi-Fi connectivity for home automation, lighting control, energy efficiency and other IOT applications. BiTrend™ Essential family combines a 2.4Ghz 802.
1.2 Applications Smart home appliances Remote Control Medical/Health Care Network consumer devices 1.3 Key Features a． Support IEEE802.11b/g/n Frequency Range 2.412 GHz - 2. 462GHz Wi-Fi Standard IEEE 802.11 b/g/n Transmitter Power 802.11b:17dBm±0.5 802.11g:18dBm±0.5 802.11n:16dBm±0.5 MIN Receiver Sensitivity 802.11b<-78dBm 802.11g<-68dBm 802.11n<-66dBm Data rate 11M@802.11b, 54M@802.11g, MCS7@802.
Symbol Description Min. Max. Units Ts Storage temperature -40 125 ℃ TAMBIENT Ambient Temperature -10 70 ℃ Vdd Supply voltage 0 3.63 V Vio Voltage on IO pin -0.28 3.63 V VESD HBM(human body model) 2000 V 2. Product Overview 2.1 Product Picture 5www.ibroadlink.
3. Electrical Characteristics 3.1 Absolute Maximum Ratings – Voltage & Current Using products above the absolute maximum ratings may cause permanent damage to the device. These are maximum ratings only and functional operation of the device at these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect the reliability of the device. Symbol Rating MIN TYP MAX Unit VDD33 3.3V Supply Voltage 2.97 3.3 3.
3.2Current consumption Performance Symbol Condition IRF IDLE mode TYP Unit 80 mA IRF RX Active, HT40, MCS7 151 mA IRF TX HT40, MCS7 @ 15dBm（pulse） 210 mA IRF TX CCK 11Mbps @ 18dBm（pulse） 250 mA Note: All result is measured at the antenna port and VDD33 is 3.3V 3.3 Absolute maximum ratings – Temperature Rati Symbol Max Unit TSTG Storagetemperature –40 to+125 ℃ TA Workingtemperature -10 to+70 ℃ Humidity Non condensing, relative humidity 90%（RH） 3.
4. RF Characteristics 4.1Basic Characteristics Specification Item OperatingFrequency 2.412 GHz - 2.462 GHz Wi-FiStandard IEEE 802.11b/g/n 11b: DBPSK, DQPSK,CCK for DSSS ModulationType 11g: BPSK, QPSK, 16QAM, 64QAM for OFDM 11n: MCS0~7,OFDM Data Rates Antennatype PCBprintedANT 4.2 IEEE802.11b Mode Item Specification ModulationType DSSS/CCK Frequencyrange 2412MHz~2462MHz Channel CH1 toCH11 Datarate 1,2,5.5,11Mbps TX Characteristics Min Typical Max.
-20 -93 -80 dBm 5.5Mbps (FER≦8%) -91 -79 dBm 11Mbps (FER≦8%) -89 -76 dBm 2Mbps (FER≦8%) Maximum Input Level (FER≦8%) -10 dBm 4.3 IEEE802.11g Mode Item Specification ModulationType OFDM Frequencyrange 2412MHz~2462MHz Channel CH1 toCH11 Datarate 6,9,12,18,24,36,48,54Mbps TX Characteristics Min Typical Max.
- -88 -80 dBm 12Mbps -86 -79 dBm 18Mbps -85 -76 dBm 24Mbps -82 dBm 36Mbps -79 dBm 48Mbps -75 dBm 54Mbps -72 dBm 9Mbps Maximum Input Level (FER≦10%) -20 dBm 4.4 IEEE802.11n 20Mhz Bandwidth Mode Item Specification ModulationType OFDM Frequencyrange 2412MHz~2462MHz Channel CH1 toCH11 Datarate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max.
RX Characteristics Min Typical Max. Unit Minimum Input Level Sensitivity -89 dBm -86 dBm MCS2 -84 dBm MCS3 -82 dBm MCS4 -78 dBm MCS5 -74 dBm MCS6 -72 dBm MCS7 -69 dBm MCS0 MCS1 Maximum Input Level (FER≦10%) - -30 dBm 4.5 IEEE802.11n 40Mhz Bandwidth Mode Item Specification ModulationType OFDM Frequencyrange 2422MHz~2452MHz Channel CH3 toCH9 Datarate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max.
-28 dB @11MHz -20 dBr @20MHz -28 dBr @30MHz -40 dBr Max. Unit MCS7 Transmit spectrum mask RX Characteristics Min Typical Minimum Input Level Sensitivity -86 dBm -83 dBm MCS2 -81 dBm MCS3 -79 dBm MCS4 -75 dBm MCS5 -71 dBm MCS6 -69 dBm MCS7 -66 dBm MCS0 - MCS1 Maximum Input Level (FER≦10%) -30 dBm 5. Mechanical Characteristics Figure2.WT1SBSLtopview(Metricunits) 12www.ibroadlink.
Figure3. 3301-WT1SBSLtopview(Metricunits) 6. Module Interfaces 6.1 PIN Layout WT1SBSL has one group of pins2X7. The layout of PINs are shown in the figure below. Figure6.WT1SBSLpin-out 13www.ibroadlink.
6.2 PIN Definitions PIN Assignment PIN PIN NAME NOTE Pin1 GND Pin2 VCC 3.3V Pin3 RST_N Module software reset,Available at low level Pin4 UART_TX Pin5 UART_RX UART Only for Passthrough Pin6 GPIO3 Pin7 GPIO4 Feed watchdog Pin8 GPIO4 Feed watchdog Pin9 GPIO3 Pin10 GPIO2 Pin11 GPIO1 Module software reset, Available at High level Pin12 GPIO0 Usually use as Wi-Fi LED Pin13 VCC 3.3V Pin14 GND Type: 14www.ibroadlink.
7. Reference Design Peripheral MCU WIFI MODULE In addition to the standard serial port，the peripheral MCU also need to provide two GPIO pins to connect with the GPIO4 pin and the RST pin of the WIFI module respectively,when the WIFI module works properly,the GPIO4 pin will keep outputting message of dog feeding,if the peripheral MCU did not receive the message,the module will reset and restart through pulling down the RST pin by the other GPIO pin.
8. AntennaCharacteristics 8.1 Antenna Selection The WT1SBSL supports on-board PCB printed antenna.When the Operating Frequencyis between 2.4G~2.5GHz, S11 of antenna port is less than-10dB and peak gainis 1.46dBi. Figure 7. Antenna radiation pattern simulation Figure 8. Antenna port S11simulation curve In practical use, WT1SBSL is welded on user’s boardand value of S11 has some changes. 16www.ibroadlink.
8.2 Minimizing Radio Interference When integrating the Wi-Fi module with on board PCB printed antenna, make sure the three points below: 1. The area under the antenna end of the module should be keep clear of metallic components, connectors, vias, traces and other materials that can interfere with the radio signal. 2. The area around the antenna end the module protrudes at least 10mm from the mother board PCB and any metal enclosure. 3.
8.3 Specification of On-Board Antenna OperatingFrequency 2.4G~2.5GHz VSWR(max) 2 Peak Gain 1.46dBi AntennaType PIFA 18www.ibroadlink.
Appendix A Glossary（Quentin respible） ADC AES ANT AP BPSK Analog-to -Digital Converter Advanced Encryption Standard Antenna Wireless Access Point Binary Phase Shift Keying DBPSK DC Differential binary phase shift keying Direct Current CCK CDM Complementary Code Keying Charge Device Model DHCP Dynamic Host Configuration Protocol CMOS Complementary Metal Oxide Semiconductor DNS DQPSK DSSS DTIM EMSP ESD EVM FCC FER GND GPIO HBM IEEE IO IOT IPv4 LED LVTTL MAC MCS MCU MIMO MSL NC NRST OFDM OSC PCB PIFA
RISC RoHS RX SDIO SoC SPDT SPI STA TCP TKIP TX IP UART UDP UFL VSWR WEP WEPA WEP64 WEP128 WPA2 XTAL QAM 802.
Appendix B Reference paper（Quentin respible） [1] IEEE 802.11b/g/n- published IEEE 802.11-2007wireless networking standard and published IEEE 802.11-2012 standard for Information technology - Clause 19 of the publishedIEEE 802.11-2007 standard, and Clause 19 of the published IEEE 802.11-2012 standard. 21www.ibroadlink.
Contact Us Hangzhou Gubei Electronics Technology Co., Ltd. Room 106, Building 1, No. 611 Jianghong Road, Binjiang, Hangzhou, Zhejiang, P.R.China T: +86-571-85159281 F: +86-571-86631817 E: intl@broadlink.com.cn W: www.ibroadlink.com.cn 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.
