Specifications

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AEH-W4G2 Specification

1: General Description

The wireless module complies with IEEE 802.11 b/g/n standard and it can achieve up to a

speed of 150Mbps with single stream in 802.11n draft 7.0, 54Mbps as specified in IEEE

802.11g, or 11Mbps for IEEE 802.11b to connect to the wireless LAN.

This compact module is a total solution for a combination of Wi-Fi 802.11b/g/n technologies

with Microcontroller Processor. The module is specifically developed for embedded system

devices.

2: Module Hardware Overview

2.1 Block Diagram

The general Hardware architecture is shown below Figure:

IC：RTL8710BL

IC1001

125Mhz

UM3352EESA

RS485

IC2001

DC-DC converter 3.3V

IC2002

Antenna

2.4GHz~2.5GHz

WIFI MODEL

Home Appliance

Block Diagram

GD25Q80CTIG

Flash Memory

104Mhz IC2003

3.3V

Control

Oscillator=40Mhz

2.2 Feature

◆ Single-band 2.4GHz IEEE 802.11b/g/n

◆ Combines an ARM CM4 MCU,WLAN MAC,a 1T1R capable WLAN baseband,and RF in a single

chip.

◆ Lead-Free / RoHS

◆ Single power supply voltage 5V

1.3 Interface

◆ Interface

■ JST-4 connector

Summary of content (6 pages)

PAGE 1
AEH-W4G2 Specification 1: General Description The wireless module complies with IEEE 802.11 b/g/n standard and it can achieve up to a speed of 150Mbps with single stream in 802.11n draft 7.0, 54Mbps as specified in IEEE 802.11g, or 11Mbps for IEEE 802.11b to connect to the wireless LAN. This compact module is a total solution for a combination of Wi-Fi 802.11b/g/n technologies with Microcontroller Processor. The module is specifically developed for embedded system devices. 2: Module Hardware Overview 2.
PAGE 2
◆ Pin definition 1 2 3 4 Pin number Pin name Pin description 1 5V 5.0V Power 2 RS485A+ Communication line positive 3 RS485B- Communication line nagetive 4 GND Ground pad 3.WiFI RF Specification RF Specification Feature Description Feature Description WLAN Standard IEEE 802.11b/g/n(HT20/HT40), WiFi compliant Frequency Range 2.412GHz~2.462GHz for FCC and ICES 2.412GHz~2.472GHz for Europe. Number of Channels CH1~CH11 for FCC and ICES, Shield 12,13 Channels with Software.
PAGE 3
5.Requirement of FCC KDB 996369 D03 for module certification: 5.1 List of applicable FCC rules and Canada rules: The module complies with FCC Part 15.247, and Canada RSS-247. 5.2 Summarize the specific operational use conditions: The module has been certified for Fix/Mobile applications. The host product operating conditions must be such that there is a minimum separation distance of 20 cm (or possibly greater than 20 cm) between the antenna radiating structures and nearby persons.
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5.4 Trace antenna designs: Not applicable. 5.5 RF exposure considerations: This equipment complies with FCC’s and IC’s RF radiation exposure limits set forth for an uncontrolled environment. The antenna(s) used for this transmitter must be installed and operated to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter.
PAGE 5
encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. ‐Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐Consult the dealer or an experienced radio/TV technician for help.
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grant, and that 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.