BiTrend B d™ EssentialSerriesWi-F Fi Module Datashe eet W WT1FBS
Han ngzhou Gubei G Ele ectronics Technology Co., Ltd. Co opyrigh ht Inforrmatio on The information n contained in this docu ument is the e proprietarry informatio on of Hangzzhou Gub bei Electroniics Technolo ogy Co., Ltd d. (hereinaftter referred as BroadLiink). Furtherr, no porttion of this document may m be alterred or edite ed in any forrm or by an ny meanswithout the prior written n consent off BroadLink, the copyrightholder.
Table of Con ntents 1. In ntroduction ................................................................................................................................... 3 ew .............................................................................................................................. 3 1.1 Overvie 1.2 Applications......................................................................................................................... 4 1.3 Key Fea atures .....................................
1. Introd duction n 1.1 1 Overview BiTre end™ Essenttialis the ind dustrial lead ding 2.4Ghz 802.11 b/g//n embedde ed Wi-Fi mo odule whicch delivers unmatched u p performance e and codele ess developm ment in a co ompact pack kage, provviding a quick, easy and d cost effective way forr developerss and manufacturers to add Wi-Fi connectivvity for home e automatio on, lighting control, c energy efficienccy and otherr IOT applications. BiTre end™ Essenttial family co ombines a 2.4Ghz 2 802.
RF_IN RF receiver Base eband RFF_OUTP RFF_OUTN RF transmitter MAC / Packet buffer / security engine UART Syystem co ntrol UART GPIO/LED Figure 1. WT1FBS W blocck diagram 1.2 2 Applica ations Smart hom me appliances Remote Co ontrol Medical/He ealth Care Network co onsumer devvices 1.3 3 Key Features a． Supportt IEEE802.11 1b/g/n Fre equency Ran nge 2.412 GHz - 2.462 2 GHz Wii-Fi Standard d IEEE 802.11 8 b/g/n n Tra ansmitter Po ower 802.11b:17dBm 802.11g:19dBm 802.
h． Power source: s 3.3V i． Peripherals: 1*UART T 4*GPIO O j Dimension 37.5mm*20.4mm*4m j． mm k． ESD: 2KV l． Absolutte maximum ratings Symbol Descriptio on Min. Max. Units Ts Sto orage tempe erature -40 125 ℃ TAMBIENT T Am mbient Temp perature -10 70 ℃ Vdd Supply volttage 0 3.63 V Vio V Voltage on IO O pin -0.28 3.63 V VESD HBM(human body H model) 2000 V 2. Product Overview 2.1 1 Producct Picturre 5w www.ibroadlink k.
2.2 2 Block Diagram D m 40MHz OSC UART PCB Antenna Filter Circuit MTK7681 802.1 11 b/g/n n S SoC Balun Circuit SPI FLASH Multipllex Circuiit GPIO 3. Electriical Cha aracterristics 3.1 1Absolutte Maxim mum Ra atings – Voltage e & Curre ent Usin ng products above the absolute maximum ratings may ca ause perman nent damag ge to the device. The ese are maxximum rating gs only and d functional operation o of the devicce at thesse condition ns is not im mplied.
2 Digitall I/O Porrt Characteristiccs 3.2 Outtputvoltag gelevels Sym mbol Parame eter Condittions MIN MAX Unit U VIL Input Low Voltage V LVT TTL -0.28 0.6 V VIH Input High Voltage 2.0 3.63 V VT- Schmitt Trigge er Negative Go oing Thresho old Voltage 0.68 1.36 V LVT TTL VT+ Schmitt Trigger T Po ositive Going g Threshold Voltag ge 1.36 1.7 V VOL Output Low w Voltage |IOL| = 1.6~14 mA -0.28 0.4 V VOH O Output High h Voltage |IOH| = 1.6~14 1 mA A 2.4 VDD D33+0.
3.4 4 Absolu ute maxiimum ra atings – Temperature R Ra Symbol Max Unit TSTG Storagettemperature – to+125 –40 ℃ TA Workingtemperature e -10 to+70 ℃ Humidit Non condensin ng, relative hu umidity 90%（RH） 3.5 5 Absolu ute maxiimum ra atings – ESD S Symbol VESSD(HBM) Ratin ngs Condition ns Class Max Unit Electrostaticc discharge vo oltage (human bod dy model) TA = +25 °C conforming g to JESD22-A114 2 2000 V 4. RF Cha aracterristics 4.
Fre equencyrange e 2412MHz~2462MHz Channel CH1 toCH H11 Datarate 1,2,5.5,11M Mbps TX Characterist C ics Min Typical T Max. Unit Tran nsmitter Output Power 17 11bT Target Power Freq quency Errorr -20 dBm +20 ppm Con nstellation Errror( peak EVM)@ targe et power -17 -10 Typical T Max. Unit -95 -83 dBm -93 -80 dBm 5.
18M Mbps -13 dB 24M Mbps -16 dB 36M Mbps -19 dB 48M Mbp -22 dB 54M Mbps -25 dB @11 1MHz 20 dBr @20 0MHz -28 dBr @30 0MHz -40 dBr Max. Unit -90 -83 dBm -88 -80 dBm 12M Mbps -86 -79 dBm 18M Mbps -85 -76 dBm 24M Mbps -82 dBm 36M Mbps -79 dBm 48M Mbps -75 dBm 54M Mbps -72 dBm Tran nsmit spectrrum mask RX Characterist C tics Min Typical Min nimum Inputt Level Sensitivity 6Mb bps - 9Mb bps Maxximum Input Level (FER≦10%) -20 dBm 4.4 4 IEEE802.
Con nstellation Errror( peak EVM)@ targe et power M MCS0 -5 dB M MCS1 -10 dB M MCS2 -13 dB M MCS3 -16 dB M MCS4 -19 dB M MCS5 -22 dB M MCS6 -25 dB M MCS7 -28 dB @1 11MHz 20 dBr @2 20MHz -28 dBr @3 30MHz -40 dBr Max.
4.5 5 IEEE802.11n 40 0Mhz Ba andwidtth Mode e Item Specifica ation ModulationType OFDM Frequencyra ange 2422MHz~2452MHz Channel CH3 toCH H9 Datarate MCS0/1/2 2/3/4/5/6/7 TX Characterist C ics Min Typical Max. Unitt Tran nsmitter Output Power dBm 19 11n HT20 Target Powe er +20 ppm m M MCS0 -5 dB M MCS1 -10 dB M MCS2 -13 dB M MCS3 -16 dB M MCS4 -19 dB M MCS5 -22 dB M MCS6 -25 dB M MCS7 -28 dB @1 11MHz 20 dBr @2 20MHz -28 dBr @3 30MHz -40 dBr Max.
M MCS6 -72 -65 dBm M MCS7 -69 -64 dBm Ma aximum Input Level (FER≦ ≦10%) -20 dBm 5. Mecha anical Charact C teristiccs Figure2.WT1FBS 13w www.ibroadlink k.
Antenna Shielding Case WiFii Module Figure3.WTT1FBSview(M Metricunits) 6. Module Interrfaces 6.1 1 PIN Lay yout WT1 1FBS has one group of pins1X9. p The e layout of PINs P are show wn in the fig gure below. 14w www.ibroadlink k.
Figure6.WTT1FBSpin-outt 6.2 2 PIN De efinition ns PIN N Assignme ent PIN PIN NAM ME Pin1 1 VDD Pin2 2 GND Pin3 3 GPIO0 Pin4 4 GPIO1 Pin5 5 GPIO2 Pin6 6 GPIO3 Pin7 7 GPIO0 Pin8 8 UART_TX X Pin9 9 UART_RX X N NOTE S Rest; Higgh Level On Soft O for transsparent transsfer Only 15w www.ibroadlink k.
7. Refere ence De esign WiFi Mod dule User Equip pment 3 3.3v 3.3vv 3.3v For the devices using powe er source of 3.3V, 3 the UA ARTs of host device d and W WiFi module e can be connected c directly as the picture ab bove to start communica ating. The WT1FBS uses power so ource of 3.3V V. It is recom mmended that the powe er supply current shou uld be morre than 300 0mA.
8. AntennaCharracteristics 8.1 1 Antenn na Selection The WT1FBS supports on-b board PCB printed anten nna.When th he Operating g Frequencyis betw ween 2.4G~2 2.5GH, S11 of o antenna port p is less than-10dB an nd peak gainis about 2d dBi. Figure 7. Antenna radiation pattern p simulation F Figure 8. Antenna port S1 11simulation curve In practical use, WT1FB BS is welded on user’s boardand value of S11 ha as some changes.
of L3 to R18, as shown in th he red rectan ngle of the picture p below w. 8.2 2 Minimizing Ra adio Inte erference Whe en integratin ng the Wi-Fii module witth on board PCB printed d antenna, m make sure the thre ee points bellow: 1. The T area un nder the antenna end of the mod dule should be keep cclear of metallic com mponents, co onnectors, vias, traces and other ma aterials that can interferre with the radio r sign nal. 2.
8.3 3 Specifiication of o On-Bo oard Anttenna Op peratingFrequ uency 2.4G G~2.5GHz VSW WR(max) 2 Pea ak Gain 2dBii AntennaType IFA 8.4 4 IPEX Connecto or 19w www.ibroadlink k.
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Ap ppendix A ADC C AES S ANT T AP BPS SK DBP PSK DC K CCK CDM M Analogg‐to ‐Digital Converter Advanced Encrypttion Standaard Antenn na Wireleess Access Point P Binaryy Phase Shiftt Keying DHC CP Dynam mic Host Con nfiguration Protocol P CMO OS DNS S DQP PSK DSS SS DTIM EMS SP ESD D EVM M FCC C FER R GND D GPIO HBM M IEEE E IO IOT IPv4 4 LED D LVT TTL MAC MCS S MCU U MIM MO MSL L NC NRS ST OFD DM OSC C PCB B PIFA A QPS SK Compllementary Metal M Oxide e Semicondu uctor Differe ential binary phase shift
RC RF RISC C RoH HS RX SDIO O SoC C SPD DT SPI STA A TCP P TKIP P TX IP UAR RT UDP P UFL L Resista ance- capacitance Radio Frequency F Reduce ed Instructio on Set Comp puter Restriction of Haza ardous Substances Receive er Serial Digital D Inputt/Output System m on Chip Single--Pole Double e-Throw Serial Peripheral P In nterface Spanniing Tree Algorithm Transfe er Control Prrotocol Tempo oral Key Integ grity Protoco ol Transm mitter Interne et Protocol Universsal Asynchro onous Receivver/Transmittter User
Ap ppendix B [1] IEEE 802.11b/g/n- pu ublished IEE EE 802.11-2 2007wirelesss networking standard and pub blished IEEE 802.11-2012 standard for Informa ation technology - Cla ause 19 off the pub blishedIEEE 802.11-200 07 standard, and Clause C 19 of the published IEEE 802.11-2012 sta andard. FC CC WARNING GS： Any Changes orr modification ns not expresssly approve ed by the partty responsible for compliance e the equipm ment.
Thiss equipment complies witth FCC radia ation exposurre limits set forth f for an u uncontrolled enviironment. Th his equipmen nt should be installed i and d operated with minimum distance 20cm betw ween the radiator& your body. b This tra ansmitter mu ust not be co o-located or o operating in conjjunction with any other an ntenna or tra ansmitter. No ote: This equipment has b been tested and foun nd to comply with the limits for a Class B digital de evice, pursua ant to part 15 5 of the FCC C Rule es.
Co ontact Us Han ngzhou Gu ubei Electronics Tecchnology Co., C Ltd. Roo om 106, Build ding 1, No. 611 6 Jianghong Road, Bin njiang, Hang gzhou, Zhejiang, P.R.Chin na T: +86-571-851 159281 71-86631817 7 F: +86-57 E: in ntl@broadlin nk.com.cn W: www.ibroadlink.co om.cn 25w www.ibroadlink k.
