Global Intelligent Platform Product Manual Tuya WB3L Wi-Fi Module Version: 1.0.0 Date: 2019-11-17 No.: 0000000004 1. Product Overview WB3L is a low-power embedded Wi-Fi module that Tuya has developed. It consists of a highly integrated RF chip (BK7231T) and several peripheral components, with an embedded Wi-Fi network protocol stack and robust library functions.
WB3L Datasheet EZ and AP net pairing modes for Android and iOS devices Onboard PCB antenna with a gain of 1.2 dBi Working temperature: –20°C to +105°C Bluetooth Support for Bluetooth 4.0 Maximum output power of +10 dBm Onboard PCB antenna with a gain of 1.2 dBi 1.
WB3L Datasheet Change History No. 1 Date 2019-11-17 Change Description This is the first release. Hangzhou Tuya Information Technology Co., Ltd. 3 Version After Change 1.0.0 V1.0.
WB3L Datasheet Contents 1. Product Overview ............................................................................................................ 1 1.1 Features.................................................................................................................. 1 1.2 Application Scenarios ............................................................................................. 2 2. Module Interfaces ....................................................................................
WB3L Datasheet Tables Table 2-1 WB3L interface pins.............................................................................................. 7 Table 2-2 WB3L test pins ...................................................................................................... 8 Table 3-1 Absolute electrical parameters ............................................................................ 8 Table 3-2 Normal working conditions .............................................................................
WB3L Datasheet 2. Module Interfaces 2.1 Dimensions and Footprint WB3L has two rows of pins with a 2±0.1 mm pin spacing. The WB3L dimensions (H x W x D) are 2.8±0.15 mm x 16±0.35 mm x 24±0.35 mm. Figure 2-1 shows the WB3L front and rear views. Figure 2-1 WB3L front and rear views 2.2 Interface Pin Definition Hangzhou Tuya Information Technology Co., Ltd. 6 V1.0.
WB3L Datasheet Table 2-1 WB3L interface pins Pin No. Symbol I/O Type Function 1 RST I/O Reset pin, which is disconnected 2 ADC AI ADC pin, which is connected to the P23 pin on the internal IC 3 EN Input Module enabling pin, which is connected to 3.
WB3L Datasheet Note: P indicates a power supply pin, I/O indicates an input/output pin, and AI indicates an analog input pin. 2.3 Test Pin Definition Table 2-2 WB3L test pins Pin No.
WB3L Datasheet Parameter Description Minimum Value Maximum Value Unit temperature VBAT Power supply voltage 3.0 3.6 V Static electricity voltage (human body model) Tamb = 25°C N/A 2 kV Static electricity voltage (machine model) Tamb = 25°C N/A 0.5 kV 3.2 Working Conditions Table 3-2 Normal working conditions Parameter Description Minimum Value Typical Value Maximum Value Unit Ta Working temperature –40 N/A 105 °C VBAT Power supply voltage 3.0 3.3 3.
WB3L Datasheet 3.3 RF Current Consumption Table 3-3 Current consumption during constant transmission and receiving Parameter Working Status TX Typical Value Maximum Value Unit Mode Rate 802.11b 11 Mbit/s +17 dBm 295 354 mA 802.11g 54 Mbit/s +13.5 dBm 266 300 mA 802.11n MCS7 +13 dBm 260 290 mA 11 Mbit/s Constant receiving 98 100 mA 54 Mbit/s Constant receiving 98 100 mA MCS7 Constant receiving 98 100 mA 802.11b RX TX Power/Receiving 802.11g 802.11n 3.
WB3L Datasheet 4. RF Features 4.1 Basic RF Features Table 4-1 Basic RF features Parameter Frequency band Description BT:2.400 GHz to 2.4835 GHz WIFI:2.412 GHz to 2.484 GHz Wi-Fi standard IEEE 802.11b/g/n (channels 1 to 14,Ch1-11 for US/CA,Ch1-13 for EU/CN) BT standard BT 4.0 802.11b: 1, 2, 5.5, or 11 (Mbit/s) Data transmission rate 802.11g: 6, 9, 12, 18, 24, 36, 48, or 54 (Mbit/s) 802.11n: HT20 MCS0 to MCS7 HT40 MCS0 to MCS7 Antenna type PCB antenna with a gain of 1.2 dBi 4.
WB3L Datasheet 4.3 RX Performance Table 4-3 RX sensitivity Parameter Minimum Value Typical Value Maximum Value Unit PER < 8%, 802.11b DSSS mode 11 Mbit/s N/A –85 N/A dBm PER < 10%, 802.11g OFDM mode 54 Mbit/s N/A –72 N/A dBm PER < 10%, 802.11n OFDM mode MCS7 N/A –68 N/A dBm 5. Antenna Information 5.1 Antenna Type WB3L uses an onboard PCB antenna. 5.
WB3L Datasheet 6. Packaging Information and Production Instructions 6.1 Mechanical Dimensions The PCB dimensions (H x W x D) are 2.8±0.15 mm x 16±0.35 mm x 24±0.35 mm. Hangzhou Tuya Information Technology Co., Ltd. 13 V1.0.
WB3L Datasheet Figure 6-1 WB3L mechanical dimensions Figure 6-2 Side view 6.2 Recommended PCB Layout Figure 6-3 WB3L pins Hangzhou Tuya Information Technology Co., Ltd. 14 V1.0.
WB3L Datasheet WB3L can be mounted onto a PCB by using an SMT placement machine or through-hole mounted onto the PCB through a pin header. Figure 6-4 shows the pin header dimensions. Figure 6-4 WB3L pin header dimensions Figure 6-5 Layout of the PCB to which WB3L applies Hangzhou Tuya Information Technology Co., Ltd. 15 V1.0.
WB3L Datasheet 6.3 Production Instructions 1. Use an SMT placement machine to mount the stamp hole module that Tuya produces onto the PCB within 24 hours after the module is unpacked and the firmware is burned. If not, vacuum pack the module again. Bake the module before mounting it onto the PCB. (1) SMT placement equipment i. Reflow soldering machine ii. Automated optical inspection (AOI) equipment iii. Nozzle with a 6 mm to 8 mm diameter (2) Baking equipment 2. i. Cabinet oven ii.
WB3L Datasheet (2) If the 30% circle is pink, bake the module for 4 consecutive hours. (3) If the 30% and 40% circles are pink, bake the module for 6 consecutive hours. (4) If the 30%, 40%, and 50% circles are pink, bake the module for 12 consecutive hours. 4.
WB3L Datasheet Figure 6-7 Oven temperature curve Hangzhou Tuya Information Technology Co., Ltd. 18 V1.0.
WB3L Datasheet 6.5 Storage Conditions Hangzhou Tuya Information Technology Co., Ltd. 19 V1.0.
WB3L Datasheet 7. MOQ and Packing Information MOQ and packing information Product Model MOQ Packing Method WB3L 4000 Carrier tape and reel packing Number of Modules in Number of Reel Each Reel Pack Packs in Each Box Hangzhou Tuya Information Technology Co., Ltd. 20 1000 4 V1.0.
WB3L Datasheet Appendix: Statement Federal Communications Commission (FCC) Declaration of Conformity FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This device complies with Part 15 of the FCC Rules.
WB3L Datasheet The host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.