W-BW2K User manual Wi-Fi&BLE combo Version: 20210902
Table of contents 1. product description .........................................................................................................................8 2. Hardware introduction ................................................................................................................. 12 3.Pin Definition ....................................................................................................................................13 4.Electrical Characteristics .........................
product description 1.1description It is worth watching the W-BW2K embedded Wi-Fi +BT module provides a solution for connecting the user's physical device to the Wi-Fi wireless network or BLE Bluetooth direct connection and provides a UART serial port and other data processing solutions, through this module , traditional low-end serial devices or MCU-controlled devices can easily access Wi-Fi or BLE wireless networks, so as to achieve IoT network control and management.
1.2 Features Support Wi-Fi 802.11b/g/n and BLE 5.
1.4Module basic parameters Table1. It is worth seeing the technical parameters of W-BW2K module Classification parameter value wireless standard 802.11 b/g/n Frequency Range 2.412GHz-2.472GHz 802.11b: +18dBm ± 1dBm (@11Mbps) transmit power Wi-Fi 802.11g: +15dBm ± 1dBm (@54Mbps) 802.11n: +14dBm ± 1dBm (@HT20， MCS7) 802.11n: +14dBm ± 1dBm (@HT40， MCS7) 802.11b: -98dBm (@1Mbps) Receive sensitivity 802.11b: -88dBm (@11Mbps) 802.11g: -90dBm (@6Mbps) 802.11g: -75dBm (@54Mbps) 802.
storage temperature humidity Moisture Level (MSL) <85% size 16mm x 24mm x 3mm Wireless network type Security Mechanism encryption Software parameters -40℃- 125℃ type Level 3 STA/AP WEP/WPA-PSK/WPA2-PSK/WPA3-SAE WEP64/WEP128/TKIP/AES upgrade local wireless firmware Remote upgrade Custom Provide SDK for secondary development of Development customers Network protocol User configuration IPv4， TCP/UDP/HTTP/TLS 1.2 AT+ command set, Web page 1.
3.PIN DEFINITION Figure 3. W-BW2K Pin Definition Table1.
15 P10/DL_RX/UAR T1_RXD P11/DL_TX/UART 1_TXD P1/UART2_RXD/I 2C2_SDA P20/I2C1_SCL/TC K/F_SCK IO P21/ADC6/I2C1_ SDA/TMS/ F_CSN P22/ADC5/CLK_2 6M/TDI/ TXEN/F_SI IO 21 P23/ADC3/TDO/ F_SO IO 22 NC - 16 17 18 19 20 IO IO IO IO General IO port or RXD downloaded by UART for FLASH or RXD of serial port UART1 General IO port or TXD downloaded by UART for FLASH or TXD of serial port UART1 RXD of general IO port or serial port UART2 or SDA of I2C2 General-purpose IO port or SCL of I2C1 or TCK of JTAG or
5.MECHANICAL DIMENSIONS The physical dimensions of W-BW2K (unit: mm) are as follows: Figure 4. W-BW2K Mechanical Dimensions 6.TYPICAL APPLICATION 6.1 Antenna layout requirements (1) The installation position of the module on the motherboard, the following 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.
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.
FCC warning statements: 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
