Advantech WISE-4250-S232
2.4/5GHz Wi-Fi Temperature and Humidity Sensing Module





- Supports IEEE 802.11 ac (2.4GHz/5GHz) for stable and high-speed wireless connectivity
- Ensures secure data transmission with WPA3/TLS 1.3 encryption and X.509 certificate authentication
- Provides seamless cloud integration, supporting MQTT and RESTful API to upload temperature and humidity data to cloud platforms such as AWS, Azure, SCADA, and WebAccess
- Offers comprehensive protocol support, including MQTT, Modbus/TCP, SNTP, TCP/IP, HTTPS, RESTful, UDP, and DHCP
- Features a built-in watchdog timer to maintain continuous operation and automatically recover from disconnections
- With UDP-based AES-128 encrypted wireless P2P, abnormal inputs can automatically trigger up to 16 WISE modules in the field
The WISE-4250 series is a wireless IoT solution designed for industrial applications. This Ethernet-based device is compatible with various I/O and sensors and integrates data acquisition, processing, and publishing functions. It supports real-time P2P communication between devices, enabling edge intelligence without a central controller, making it ideal for applications requiring rapid response and distributed control. Furthermore, a watchdog timer and smart roaming ensure stable device operation in any environment. The WISE- 4250 also prioritizes data security, with a data logger, data recovery function, WPA3/TLS1.3 encryption, and IP whitelisting to prevent data loss and unauthorized access. Best of all, it supports MQTT, Modbus, and RESTful APIs, enabling you to easily publish data to various cloud platforms for data-driven decision-making.

General Specifications
IEEE 802.11a/b/g/n/ac
802.11b : CCK(11, 5.5Mbps), DQPSK(2Mbps), BPSK(1Mbps)
802.11a/g/n/ac : OFDM
802.11b: 16.0 dBm ±2dBm
802.11g: 14.0 dBm ±2dBm
802.11n: 12.0 dBm ±2dBm
5 GHz
802.11a: 13.0 dBm ±2dBm
802.11n: 10.0 dBm ±2dBm
802.11ac: 8.0 dBm ±2dBm
X.509 (TLS1.2/1.3), WPA2/WPA3 Personal and Enterprise
Gain (Peak): 2.4G 3.64 dBi / 5G 5.65 dBi
Plug-in-and-play I/O and sensor modules
System (1.6 second) and Communication (programmable)
CE, FCC, IC, TELEC, NBTC
70 x 102 x 38 mm
PC
DIN 35 rail, wall, stack, and pole
10 ~ 50 VDC
1.6W @ 24 VDC
±2 second/day
Dropbox, WebAccess, iSensing MQTT, IFTTT, Azure, AWS, Azure MQTT, Line messaging API
IEC60068-2-64 Vibration broadband random test
Package Drop Test
10000+ samples with SNTP/RTC sync time stamp
Modbus/TCP, TCP/IP, SNMP V2, SNTP, UDP, DHCP, HTTP(S), and MQTT
Environment
-25 ~ 70°C (-13~158°F)
-40 ~ 85°C (-40~185°F)
10 ~ 85% RH (non-condensing)
0 ~ 60% RH (non-condensing)
Specifications WISE-4250-S232
Wireless Communication
- Standard (Technology)
WIFI
Frequency Band
IEEE 802.11 a/b/g/n/ac 2.4/5 (GHz)
Hardware
- Certification
CE, FCC, RoHS, TELEC, NBTC
Watchdog Timer
1.6 s
LED Indicators
Status, Line-power, Wireless Com, Initial/Normal, Signal Strength
Power Consumption
1.2 W @ 24 VDC
Environment
- Operating Temperature
-25~70 °C (-13~158 °F)
Relative Humidity
20~95% RH (non-condensing)
Storage Temperature
-40~85 °C (-40~185 °F)
Storage Humidity
0~95% RH (non-condensing)
Vibration Protection
2 Grms, random
Power Requirements
- Input Voltage
10~50 VDC
Mechanical
- Weight (Net)
160 g
Mounting
DIN-rail, Wall, Pole
Enclosure
PC
Protection
- Short Circuit Protection
Yes
Temperature and Humidity Sensor
- Temperature Detection Range
-25°C ~ 70°C (77°F ~ 158°F)
Temperature Accuracy
±0.2 °C @ 25 °C
Humidity Detection Range
0~100% RH (non-condensing)
Humidity Accuracy
±1.8% RH @ 25 °C
Ordering Information
Wi-Fi 2.4/5GHz Wireless I/O Module
| WISE-4250-A | Wi-Fi 5 (2.4/5 GHz) Wireless I/O Module |
|---|---|
| WISE-4250-S232 | WISE-4250 with Temperature & Humidity Sensor |
| WISE-4250-S214 | WISE-4250 with 4AI+4DI |
| WISE-4250-S250 | WISE-4250 with 6DI+2DO+RS-485 |
| WISE-4250-S251 | WISE-4250 with 6DI+RS-485 |
| WISE-4250-S252 | WISE-4250 with 12DI+12DO |
| I/O board | Analog Input | Digital Input | Digital Output | RS-485 | Temperatur &Humidity sensor |
|---|---|---|---|---|---|
| WISE-5214-A | 4 (Current/Voltage) |
4 (Dry Contact) | |||
| WISE-5250-A | 6 (Dry Contact) | 2 (Sink Type) |
1 | ||
| WISE-5251-A | 6 (Dry Contact) | 12 (Sink Type) |
1 | ||
| WISE-5252-A | 12 (Dry/Wet Contact) | ||||
| WISE-5232-A | ✔ |
Accessories
| 96PSD-A30W24-DS | DIN Rail Power Supply (1.25A Output Current) |
| BB-RPS-V2-WR2-US | Power Supply, 12V/1A, US plug |
| BB-RPS-V2-WR2-EU | Power Supply, 12V/1A, EU plug |
| BB-RPS-V2-WR2-UK | Power Supply, 12V/1A, UK plug |
| 1750008767-01 | Magnetic Antenna Extend Cable Base 150cm |
| EKI-6333AC-2G | IEEE 802.11 a/b/g/n/ac Concurrent Dual-Band Wi-Fi AP/Client |
| WISES2142401-T | Wet Contact 4AI/4DI I/O Module |
*WISE-4250 doesn't needs to order antenna separately
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