Data Sheet

ManualsBrandsShenzhen Huaxiangfeng Electronic Technology ManualsElectronicsWiFi Module

Table Of Contents

Datasheet

Table of Contents

Functional Description ............................................................................................................................................................... 2

Overview ............................................................................................................................................................................ 2

Product Features ............................................................................................................................................................... 2

Subject of Application ........................................................................................................................................................ 2

Electrical Characteristics ............................................................................................................................................................ 3

Basic electrical parameters ................................................................................................................................................ 3

RF Parameter ..................................................................................................................................................................... 3

Power ................................................................................................................................................................................. 4

Pin ...................................................................................................................................................................................... 4

Boot ................................................................................................................................................................................... 5

Minimum system schematic diagram ................................................................................................................................ 6

Welding Temperature Curve .............................................................................................................................................. 6

Dimensions ................................................................................................................................................................................ 6

Size ..................................................................................................................................................................................... 7

Summary of content (8 pages)

PAGE 1
Datasheet Table of Contents Functional Description............................................................................................................................................................... 2 Overview............................................................................................................................................................................ 2 Product Features ....................................................................................................
PAGE 2
Functional Description Overview HW12F2G4Eis an ultra-low power WiFi module. It has a very competitive package size and ultra-low energy consumption technology. It is designed for mobile devices and Internet of Things applications. It can connect users'physical devices to Wi-Fi wireless networks, communicate with the Internet or LAN, and realize networking functions. HW12F2G4E is packaged with low cost PCB antenna, which brings very low cost to customers'products.
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Electrical Characteristics Basic electrical parameters Char MIN MAX UNIT Vil Vih Iil Vol Voh Cpad Vio Imax Tamb -0.3 0.75xVio 0.25xViO 3.3 50 0.1 xVio V V nA V V pF V mA °C 0.8xVio 5 3.3 12 125 1.8 -40 RF Parameter describe IN Frequency Min Typ Max 2412 IN impedance 2484 PAPower @72.2Mbps PA Power @802.11b MHz Ω 50 IN Reflect Unit -10 dB 14 15 16 dBm 17.5 18.5 19.
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Power Mode Min Typ Max Unit Send802.11b，CCK 1Mbps，Pout=+19.5dBm 215 mA Send802.11b，CCK 11Mbps，Pout=+18.5dBm 197 mA Send802.11g，OFDM54 Mbps，Pout=+16dBm 145 mA Send802.11n，MCS7，Pout=+14dBm 135 mA Receive 802.11b，Lenth1024Byte，-80dBm 100 mA Receive 802.11g，Lenth1024 Byte，-70dBm 100 mA Receive 802.11n，Lenth1024 Byte，-65dBm 102 mA System Standby Mode 70 mA power off 0.
PAGE 5
PIN Function Description 1 RST 1）Resets 2 ADC 1）Analog to Digital 3 EN 1）Enabled 4 IO16 1）GPIO 5 IO14 1）GPIO 6 IO12 1）GPIO 7 IO13 1）GPIO 8 VCC 1）VCC 9 CS NC 10 MISO NC 11 IO9 NC 12 IO10 NC 13 MOSI NC 14 SCLK NC 15 GND 1）Ground 16 IO15 1）GPIO 17 IO02 1）GPIO 18 IO0 1）GPIO 19 IO04 1）GPIO 20 IO05 1）GPIO 21 RXD0 1）UART-RX 22 TXD0 1）UART-TX Boot GPIO15 GPIO0 GPIO2 1 X X SDIO/SPI WIFI 0 0 1 UART Download 0 1 1 Flash BOOT
PAGE 6
Minimum system schematic diagram Welding Temperature Curve Refer to IPC/JEDEC standard；Peak Temperature : <250°C；Number of Times: ≤2 times； Dimensions
PAGE 7
Size
PAGE 8
FCC WARNING 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. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.