W-BW2K
User manual
Wi-Fi&BLE combo
Version: 20210902
Page 1: ...W BW2K User manual Wi Fi BLE combo Version 20210902 ...
Page 2: ...Table of contents 1 product description 8 2 Hardware introduction 12 3 Pin Definition 13 4 Electrical Characteristics 14 5 Mechanical Dimensions 15 6 typical application 15 7 Reflow Soldering Conditions 9 ...
Page 3: ...IoT network control and management It is worth seeing that the W BW2K module adopts the industry s low power embedded structure and has been professionally optimized for applications in low flow and low frequency data transmission fields such as smart furniture smart grids handheld devices personal medical care and industrial control It is worth seeing that the W BW2K module is a compact module th...
Page 4: ... outputs supporting high speed clock or low power clock Support wireless and remote firmware upgrade provide wireless batch configuration tool SDK development kit is available to support secondary development Supports different types of antenna options Built in PCB antenna Support IPEX external antenna 3 3V single power supply Dimensions 16mm x 24mm x 3mm SMD16 package 1 3 Main application areas I...
Page 5: ...ps 802 11b 88dBm 11Mbps 802 11g 90dBm 6Mbps 802 11g 75dBm 54Mbps 802 11n 72dBm MCS7 BLE wireless standard BLE5 1 Frequency Range 2 402GHz 2 480GHz transmit power Max 10dBm Receive sensitivity 96 dBm Hardware parameters antenna PCB antenna Data interface UART GPIO SPI PWM ADC I2C IR GPIO source current 3mA VCC 0 3V sink current 3mA GND 0 3V Operating Voltage 2 7 3 6V Working current TX 17 dBm 802 1...
Page 6: ...WPA2 PSK WPA3 SAE encryption type WEP64 WEP128 TKIP AES upgrade firmware local wireless Remote upgrade Custom Development Provide SDK for secondary development of customers Network protocol IPv4 TCP UDP HTTP TLS 1 2 User configuration AT command set Web page 1 HARDWARE INTRODUCTION The appearance of the combo series Wi Fi module is as follows Figure 2 Appearance of W BW2K ...
Page 7: ...r or PWM5 6 P24 ADC2 LPO_ CLK PWM4 IO General purpose IO port or ADC2 or low power clock 32 768K output or PWM4 7 P6 CLK13M PW M0 IO General purpose IO port or crystal clock divided by 1 2 4 8 output or PWM0 8 3V3 I power supply 9 GND I GND 10 P9 BT_PRIORITY PWM3 IO Common IO port or BT_PRIORITY control or PWM3 for coexistence of WIFI and BT 11 P0 UART2_TXD I 2C2_SCL IO General purpose IO port or ...
Page 8: ...purpose IO port or SDA of ADC6 or I2C1 or TMS of JTAG or Flash when downloading with SPI Chip select 20 P22 ADC5 CLK_2 6M TDI TXEN F_SI IO General IO port or ADC5 or crystal frequency output or TDI of JTAG or set high when transmitting or data input when Flash is downloaded by SPI 21 P23 ADC3 TDO F_SO IO General purpose IO port or ADC3 or JTAG TDO or Flash data output when downloaded with SPI 22 N...
Page 9: ...owing two methods are recommended Solution 1 Put the module on the edge of the motherboard and the antenna area extends out of the edge of the motherboard Option 2 Put the module on the edge of the motherboard and hollow out an area on the edge of the motherboard at the antenna position In order to meet the performance of the on board antenna it is forbidden to prevent metal devices around the ant...
Page 10: ...9 7 REFLOW SOLDERING CONDITIONS 1 Heating method conventional convection or IR convection 2 Allowable reflow times 2 times based on the following ramped heating conditions 3 Maximum temperature 250 C ...
Page 11: ...llowing measures Ь Reorient or relocate the receiving antenna Ь Increase the separation between the equipment and receiver Ь Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Ь Consult the dealer or an experienced radio TV technician for help Caution Any changes or modifications to this device not explicitly approved by manufacturer could void...
