BiTrend™ EssentialSeriesWi-Fi Module Datasheet BL3328-P
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 - 2.484 GHz Wi-Fi Standard IEEE 802.11 b/g/n Transmitter Power 802.11b:18dBm 802.11g:16dBm 802.11n:15dBm MIN Receiver Sensitivity 802.11b<-82dBm@11Mbps 802.11g<-72dBm@54Mbps 802.11n<-71dBm@MCS7 Data rate 11M@802.11b, 54M@802.11g, MCS7@802.
2. Product Overview 2.1 Product Picture 2.2 Block Diagram 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 aff ect the reliability of the device. Symbol Description Min. Max.
Humidity 90%（RH） Non condensing, relative humidity 3.4Absolute maximum ratings – ESD Symbol VESD (HBM) Ratings Conditions Class Max Unit Electrostatic discharge voltage (human body model) TA = +25 °C conforming to JESD22-A114 2 2000 V 4. RF Characteristics 4.1Basic Characteristics Specification Item OperatingFrequency 2.412 GHz - 2.484 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 11b:1,2,5.
18 @11Mbps dBm -10 Frequency Error +10 ppm Constellation Error( peak EVM)@ target power -37 @11Mbps Transmit spectrum mask Pass RX Characteristics Min Typical Max. Unit -83 dBm Minimum Input Level Sensitivity 11Mbps (FER≦8%) Maximum Input Level (FER≦8%) -10 dBm 4.3 IEEE802.11g Mode Item Specification ModulationType OFDM Frequencyrange 2412MHz~2484MHz Channel CH1 toCH14 Datarate 6,9,12,18,24,36,48,54Mbps TX Characteristics Min Typical Max.
4.4 IEEE802.11n 20Mhz Bandwidth Mode Item Specification ModulationType OFDM Frequencyrange 2412MHz~2484MHz Channel CH1 toCH14 Datarate MCS0/1/2/3/4/5/6/7 TX Characteristics Min Typical Max. Unit Transmitter Output Power Frequency Error dBm 15 @HT20, MCS7 -10 +10 ppm -33 dB Max.
Constellation Error( peak EVM)@ target power @HT40, MCS7 -33 dB Max. Unit Transmit spectrum mask Pass RX Characteristics Min Typical Minimum Input Level Sensitivity @HT40, MCS7 -69 Maximum Input Level (FER≦10%) -20 dBm dBm 5. Mechanical Characteristics Figure2. 3328-P top view(Metricunits) 10www.ibroadlink.
6. Module Interfaces 6.1 PIN Layout 3328-P has one group of pins2X9. The layout of PINs are shown in the figure below. Figure6. 3328-P Layout 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 11www.ibroadlink.
Pin4 UART_TX UART Only for Passthrough GPIO22 I/O UART_RX UART Only for Passthrough GPIO21 I/O TX2 UART Only for Passthrough GPIO12 I/O I2S_TX I2S Port RX2 UART Only for Passthrough GPIO11 I/O I2S_RX I2S Port Pin8 RTC_EINT Wake up only for module RTC mode Pin9 GPIO4 I/O I2S_MCLK I2S Port GPIO3 I/O TX1 UART Only for Passthrough I2S_CK I2S Port GPIO2 I/O RX1 UART Only for Passthrough GPIO13 I/O I2S_WS I2S Port Pin13 VCC 3.
7. Reference Design Peripheral MCU WIFI MODULE If the peripheral MCU uses power source of 5V,it needs to add a level switching circuit in the connection of the serial port and the related circuit. The module needs a large current about 300mA when transmitting data,please ensure that the power source can provide sufficient current. 13www.ibroadlink.
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 about 1. 5dBi. Figure 7. Antenna radiation pattern simulation Figure 8. Antenna port S11simulation curve In practical use, 3328-P is welded on user’s boardand value of S11 has some changes. 14www.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.
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 CCK CDM Complementary Code Keying Charge Device Model DBPSK DC Differential binary phase shift keying Direct Current 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
RC RF 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. 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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.
If the FCC ID of this module is not visible when it is installed inside another device, then the outside of the device into which the module is installed must be label with “Contains FCC ID: XXXXXXX and IC: XXXXXXXX” 20www.ibroadlink.
