AWT100-AP/WFH WiFi HaLow Smart Gateway

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IOT smart gateway 2G/4G/NB/LoRa/LoRaWAN/GPS/WiFi/CE/DP

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AWT100-AP/WFH WiFi HaLow Smart Gateway

AWT100-AP/WFH is a Wi-Fi data conversion module compliant with the IEEE 802.11ah standard. It can operate in both STA mode and AP mode, enabling point-to-point or point-to-multipoint wireless data transmission through networking. Among the variants, the AWT100-AP/WFHEU European version supports the frequency range of 859 MHz to 894 MHz, while the AWT100-AP/WFHNA North American version supports 902 MHz to 928 MHz. Compared with 2.4 GHz Wi-Fi, it offers longer transmission distance. This module is suitable for applications such as wireless meter reading, building automation and security, and power load monitoring.


Color:	Please select White
Size:	Please select 187088.5mm
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Model:
AWT100-AP/WFH
Brand:
ACREL

Download

700 AWT100-AP Specification.pdf

Product Description

Overview

Brand:Acrel

Place of Origin：China

Application：IOT system

Evolution of Wi-Fi HaLow Technology and New Opportunities of Internet of Things

Evolution of technical standards

Wi-Fi HaLow(IEEE 802.11ah) has gone through the technical verification period and pilot deployment period since the standard was frozen in 2016, and entered the Asia-Pacific commercial acceleration period in 2024, becoming one of the key technologies in the field of Internet of Things communication.

Technical advantages of Sub-1GHz band

Sub-1GHz band, compared with traditional 2.4GHz Wi-Fi, has the characteristics of longer transmission distance, stronger penetration and lower power consumption, and is suitable for large-scale deployment of Internet of Things.

Market orientation and application value

It fills the technical gap that traditional Wi-Fi coverage is insufficient and cellular network performance is excessive, and becomes an ideal choice for smart meter reading, industrial sensing, smart cities and other scenarios.

Product Description

Auxiliary power supply

AC220V

Terminal

RJ45

Installation

DIN 35mm

Baud rate

2400bps-115200bps

Operating temperature

-20℃~55℃

●The physical throughput ranges from 150 kbps to 3.5 Mbps, meeting the data transmission requirements for applications from low-speed sensors to high-speed image data.

●Channel access backoff is implemented using Channel Conflict Assessment (CCA) and Carrier Sense Multiple Access with Collision Detection (CSMA/CD) mechanisms.

●The system utilizes Automatic Frequency Selection and Automatic Frequency Control to maintain optimal signal connectivity and stability.

●Supports Low Power Consumption.

●Supports Relay and Roaming.

●Supports Multicast.

Display

Parameter

Typical connection

Smart Grid and Wireless Automatic Meter Reading (AMR) System Architecture

A four-layer architecture consisting of Gateway - Root AP - Terminal STA - Meter is adopted. The downlink data flows from the gateway through the Root AWT100 (AP), the WFH wireless channel, and the Terminal AWT100 (STA) to the meter; the uplink data flows in the reverse direction. This setup achieves seamless conversion of the MODBUS-RTU protocol and full-link wireless data transmission

It is suggested that the communication distance of the factory environment or urban environment is 200 meters.

The ability to penetrate the wall on the same floor (60m /5 wall, stable communication without shielding of antenna), vertical floor penetration (3 floors or less is recommended). In the complex industrial environment, it is suggested that the communication distance should be controlled within 60 meters horizontally or 3 floors vertically. In addition, in the case of long distance, it is necessary to ensure that the antenna position is relatively empty and there is no obvious barrier to ensure the real-time and reliability of Modbus communication.

Schematic diagram of anti-reflux application scheme