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TUYA WB2S, Manual, Page: 2 / 21

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WB2S Datasheet 

2 

  Certified by CE and FCC 

  Working temperature: –20°C to +85°C 

  BT 

  Support Bluetooth (V4.0) 

  Maximum output power + 7dBm EIRP 

  Onboard PCB antenna with a gain of -1 dBi 

1.2 Application Scenarios 

  Intelligent building 

  Smart household and home appliances 

  Healthcare 

  Industrial wireless control 

  Baby monitor 

  Network camera 

  Intelligent bus 

Change History 

No. 

Date 

Change Description 

Version After Change 

1 

2019-11-23 

This is the first release. 

1.0.0 

 

 

Summary of Contents for WB2S

Page 1: ...nction libraries of the Wi Fi MAC and TCP IP protocols You can develop embedded Wi Fi products as required 1 1 Features Embedded low power 32 bit CPU which can also function as an application processo...

Page 2: ...Bm EIRP Onboard PCB antenna with a gain of 1 dBi 1 2 Application Scenarios Intelligent building Smart household and home appliances Healthcare Industrial wireless control Baby monitor Network camera I...

Page 3: ...tion 9 3 4 RX Current Consumption 9 3 5 Working Current 9 4 RF Features 10 4 1 Basic RF Features 10 4 2 WB2S TX Power 11 4 3 WB2S RX Sensitivity 11 5 Antenna Information 12 5 1 Antenna Type 12 5 2 Ant...

Page 4: ...WB2S Datasheet 4 7 Reference Circuit 18 7 1 Schematic Diagram 18 8 MOQ and Packing Information 19...

Page 5: ...ven temperature curve 16 Figure 7 1 WB2S schematic diagram 18 Tables Table 2 1 WB2S interface pins 6 Table 3 1 Absolute electrical parameters 7 Table 3 2 Normal working conditions 8 Table 3 3 Current...

Page 6: ...sional tolerance is 0 35 mm and the tolerance for some measurements is 0 1 mm The PCB thickness is 1 0 0 1 mm 2 2 Interface Pin Definition Table 2 1 WB2S interface pins Pin No Symbol I O Type Function...

Page 7: ...the internal IC 9 PWM4 I O Common GPIO which is connected to the P24 pin on the internal IC 10 CEN I O External enabled reset pin which is active at a low level and is connected to the CEN pin on the...

Page 8: ...Normal working conditions Parameter Description Minimum Value Typical Value Maximum Value Unit Ta Working temperature 20 N A 85 C VCC Power supply voltage 3 0 3 3 3 6 V VIL I O low level input 0 3 N...

Page 9: ...m 200 mA IRF 12 dBm 185 mA IRF 802 11n BW40 MCS7 12 dBm 190 mA IRF 11 dBm 190 mA 3 4 RX Current Consumption Table 3 4 Current consumption during constant receiving Symbol Mode Typical Value Unit IRF C...

Page 10: ...i indicator is steady off 60 110 mA 4 RF Features 4 1 Basic RF Features Table 4 1 Basic RF features Parameter Description Frequency band BT 2 400 GHz to 2 4835 GHz WIFI 2 412 GHz to 2 484 GHz Wi Fi st...

Page 11: ...dBm Average RF output power 802 11n OFDM mode MCS7 N A 12 N A dBm Frequency error 2 N A 2 ppm EVM under 802 11b CCK 11 Mbit s 16 dBm 23 dB EVM under 802 11g OFDM 54 Mbit s 14 0 dBm 27 dB EVM under 802...

Page 12: ...enna it is recommended that the antenna be at least 15 mm away from other metal parts To prevent adverse impact on the antenna radiation performance avoid copper or traces along the antenna area on th...

Page 13: ...onal tolerance is 0 35 mm If a customer has other requirements clearly specify them in the datasheet after communication 5 3 Antenna Connector Specifications WB2S does not use an antenna connector 6 P...

Page 14: ...2S pins Figure 6 3 Top and bottom views of the PCB to which WB2S applies 6 3 Production Instructions 1 Use an SMT placement machine to mount the stamp hole module that Tuya produces onto the PCB withi...

Page 15: ...a dry packaged product is 12 months from the date when the product is packaged and sealed 3 The package contains a humidity indicator card HIC Figure 6 4 HIC for WB2S 3 Bake a module based on HIC stat...

Page 16: ...ya is not liable for such problems and consequences 6 Before SMT placement take electrostatic discharge ESD protective measures 7 To reduce the reflow defect rate draw 10 of the products for visual in...

Page 17: ...WB2S Datasheet 17 6 5 Storage Conditions...

Page 18: ...WB2S Datasheet 18 7 Reference Circuit 7 1 Schematic Diagram Figure 7 1 WB2S schematic diagram...

Page 19: ...Packing Information Table 8 1 Packing information MOQ and packing information Product Model MOQ Packing Method Number of Modules in Each Reel Pack Number of Reel Packs in Each Box WB2S 4000 Carrier t...

Page 20: ...ent 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 mor...

Page 21: ...ed between the antenna and users and 2 The transmitter module may not be co located with any other transmitter or antenna As long as 2 conditions above are met further transmitter test will not be req...

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