● AWT100-AP/WFHEU (859MHz-894MHz) & AWT100-AP/WFHNA (902MHz-928MHz)
● Wide coverage, efficient and stable data transmission up to 200m
● Strong penetration, penetration ability up to 4 floors (about 30 meters vertically)
● Intelligent design, DIN-rail installation for 230Vac power supply
● Flexible adaptability, compatible with single & three-phase meters
● Designed to solve the problem of difficult wiring between inverters and electricity meters due to excessive distance in PV solar industry
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General
Acrel 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, which are recognized as Sub 1GHz. Compared with 2.4 GHz Wi-Fi, it offers longer transmission distance and long range. This module is suitable for applications such as wireless meter reading, building automation and security, and power load monitoring.
Characteristics
● 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.
Technical Parameter
Item
AWT100-AP/WFHEU
AWT100-AP/WFHNA
Dimensions
18mm x 125mm x70mm
Communication Interface
Serial Interface
Terminal
RJ45
Baudrate
2400bps-115200bps
WIFI
Antenna Interface
50 Ohm / SMA Female
Protocol
802.11ah
Operating Frequency
859MHz-894MHz
902MHz-928MHz
Security
WPA2-PSK
Encryption
AES
Range
Up to 200 meters
Power Requirements
Power
AC220V
Power Consumption
<= 3W
Environment
Operating temperature range
-20℃~+55℃
Storage temperature
-40℃～+85℃
Relative humidity
≤95% (without condensation) "Not suitable for damp environments"
IP rating
IP20 on terminal strip without protective housing and IP51 in protective housing, per IEC 60529
Pollution Degree
II
UC Degree
III
Installation environment
Indoor use
Dimension
Typical Connection
Adopting a four-layer architecture consisting of gateway-head AP-terminal STA-meter, the downlink data flow travels from the gateway through the head AWT100 (AP), WFH wireless channel, and terminal AWT100 (STA) to reach the meter. The uplink data flow is transmitted in the reverse direction, achieving seamless conversion of MODBUS-RTU protocol and full-link wireless data transmission.
