WB2S Module Specifications Version: 2022/07/29 1
目录 Product Description............................................................................................................................................. 2 1.1 Characteristic ............................................................................................................................................... 2 1.2 Application Field ..........................................................................................................................................
WB2S is an IOT Wi-Fi module developed by HANGZHOU JFTECH CO., LTD. It is composed of a highly integrated radio frequency chip ESP32-C3 and a small number of peripheral devices, which can support dual-role connection of AP and STA, and support Bluetooth low energy connection at the same time.
1 Product Description WB2S has a built-in 32-bit MCU running at the highest speed of 160 MHz, built-in 4Mbyte flash memory and 400KB RAM. Support JLINK cloud connection, WB2S has rich peripherals, such as PWM, UART, I2S. Up to five 32-bit PWM outputs make the chip ideal for high-quality LED control. 1.1 Characteristic • Built-in low-power 32-bit CPU that doubles as an application processor • Main frequency supports 160MHz • Working voltage: 3.0V~3.
2 Module Interface 2.
Pin Order 2.2 1 2 3 4 Symb ol 3V3 G0 GND G1 5 G7 I/O 6 G2 I/O 7 G6 I/O 8 9 10 11 ADC G5 CEN G4 I/O I/O I/O I/O Pin No.
3 Electrical Parameters 3.1 Absolute Electrical Parameters Ts VBAT Electrostatic discharge voltage (manikin) Electrostatic discharge voltage (machine model) 3.2 Minimum -40 -0.3 Maximum 150 3.9 Unit ℃ V TAMB-25℃ -2 2 kV TAMB-25℃ -1 1 kV Minimum Maximum Unit -20 85 ℃ 3.3 0.8VBAT 0 3.6 3.6 0.1VBAT V V V Normal Operating Conditions Ta VBAT VOL VOH 3.
4 RF Parameters 4.1 Basic RF Characteristics Parameter working frequency WIFI standard Detailed description 2.412~2.484GHZ IEEE802.11b/g/n(Band 1~14) 11b 1/2/5.5/11 Mbps 11g 6/9/12/18/24/36/48/54 Mbps 11n HT20&HT40 MSC0~MSC7 PCBAntenna Data transfer rate Antenna type 4.2 WIFI Transmission Performance Parameter RF Average output power,802.11b CCK Mode 11M RF Average output power,802.11g OFDM Mode 54M RF Average output power,802.
4.3 WIFI Acceptance Performance Parameter PER<8%，RX sensitivity，802.11b DSSS Mode 11M PER<10%，RX sensitivity，802.11g OFDM Mode 54M PER<10%，RX sensitivity，802.11n OFDM Mode MCS7 4.
5 Antenna Information 5.1 Antenna type WB2S is PCB antenna 5.2 Reduce Antenna Interference When using a PCB on-board antenna on a Wi-Fi module, in order to ensure the optimization of Wi-Fi performance, it is recommended that the distance between the antenna part of the module and other metal parts be at least 15mm or more.The user's PCB board should not be wired or even copper coated in the antenna area to avoid affecting the antenna performance.
6 Packaging Information and Production Guidance 6.
6.2 Production Guide • For in-line modules manufactured by JFTECH, it is recommended to give priority to wave soldering equipment for welding.Manual welding is only used when wave soldering equipment cannot be used for welding.After unpacking, it is recommended to complete the welding of the module within 24 hours, otherwise it needs to be placed in a drying cabinet with a humidity of not more than 10% RH, or re-vacuum packed and record the exposure time, the total exposure time does not exceed 168 hours.
– Cabinet baking box – Anti-static and high temperature resistant tray – Anti-static and high temperature resistant gloves • JFTECH modules need to be baked if they encounter the following possible moisture conditions： – The vacuum packaging bag was found to be damaged before unpacking – After unpacking, it was found that there is no humidity indicator card in the bag – After unpacking, if the humidity indicator card reads 10% and above, the color ring turns pink – The total exposure time after unpacking ex
are appropriate, and the rationality of the temperature curve of the wave soldering furnace.
6.3 Recommended Furnace Temperature Curves and Temperature Recommendations Please refer to the suggestion of wave peak welding furnace temperature for furnace temperature setting. The peak temperature is 260℃±5℃.
6.4 Storage Conditions Model from Jufeng storage conditions as below: • Vacuum packed with moisture-proof bags and stored in an environment with temperature < 40℃ and humidity < 90%RH. • The expiration date of dry packaged products is 12 months from the date of sealing the package.
FCC Warnning: 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.
Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter 2.3 Specific operational use conditions This module is stand-alone modular.
