AKCP sensorProbe Wireless Tunnel™ (SP-WT) – professional LoRa-based sensor monitoring

The AKCP sensorProbe Wireless Tunnel™ (SP-WT) is a modern wireless sensor solution based on LoRa technology, combined with the proprietary AKCP Wireless Tunnel™ protocol. It is suitable for connecting up to 4 wired AKCP sensors to a single wireless module with a range of up to 3 kilometers in open field conditions.

Available Model Variants

SP-WT: 4x sensor ports, magnetic mount
SP-WT-DIN: 4x sensor ports, DIN rail mount
SP-WTdTH01: 4x sensor ports, 1x THS01, magnetic mount
SP-WTdTH01-DIN: 4x sensor ports, 1x THS01, DIN rail mount
SP-WT-MOD: 1x Modbus RS485, magnetic mount
SP-WT-MOD-DIN: 1x Modbus RS485, DIN rail mount
SP-WT-A2D: 3x sensor ports, 1x 4-20mA input, magnetic mount
SP-WT-A2D-DIN: 3x sensor ports, 1x 4-20mA input, DIN rail mount

LoRa Frequencies and Global Compatibility

EU868: 863–868 MHz, +14 dBm, 1 % duty cycle
US915: 903–915 MHz, +20 dBm
AS923: 920–925 MHz
KR920: 922–923 MHz
IL917: 915–917 MHz

Power Supply Options

Battery operation: 3x AAA (non-rechargeable)
External 5 VDC supply: USB port for mains operation
External battery pack: 6x AAA up to 10 years runtime
Hybrid operation: mains + battery backup

Recommended and Not Recommended Sensors for Battery Operation

Recommended: temperature and humidity sensors, VC00, analogue 4-20 mA/0-10 V sensors (A2D variant)
Not recommended: dry contact sensors, motion and water sensors, smoke detectors, pulse counters (energy-intensive IRQ or high-frequency sensors)

Architecture and Integration

A sensorProbe+ Wireless Tunnel Server (SP-WTS) can manage up to 30 SP-WT units (max. 120 sensors). Multiple locations can be centrally displayed via the AKCPro Server. Supported protocols:

MQTT/S
Modbus
SNMP
TCP/IP

Features and Security

Guaranteed message delivery with acknowledgement
Battery operation with optimized polling cycles
Rugged enclosure for −15 °C to +50 °C
High MTBF of 1,400,000 hours

Status and Diagnostic Indicators

Power LED
Radio LED
Status LED

Mounting Options

Desktop
Wall mounting
DIN rail
Magnetic mount

Antenna Technology

Integrated, tuned antenna for optimal signal quality – no external mounting required.

Typical Applications

Industrial processes: temperature, humidity, and pressure monitoring
Environmental monitoring: weather stations, water quality
Smart agriculture: soil moisture and irrigation control
Data center monitoring: wireless sensor expansion

Economic Benefits

Cost reduction by eliminating cable installation
Flexible scalability up to 120 sensors
Long lifespan reduces maintenance costs

Certifications

FCC Part 15C
CE EN300220-2

Flexible LoRa Sensor Node Solution

The AKCP SP-WT offers an energy-efficient, scalable, and secure platform for wirelessly connecting up to four wired sensors. With global LoRa support, flexible power options, and extensive integration capabilities, it is the future-proof choice for businesses adopting wireless monitoring technologies.

sensorProbe Wireless Tunnel

The sensorProbe Wireless Tunnel™ (SP-WT) from AKCP revolutionizes how companies implement their sensor networks in large-scale applications. This innovative LoRa sensor system utilizes proven Semtech LoRa radio technology combined with the proprietary AKCP Wireless Tunnel™ communication protocol to deliver a reliable and energy-efficient monitoring solution.

The core of the SP-WT lies in its ability to connect up to 4 wired sensors to a single wireless device. This configuration enables rapid deployment and cost-effective implementation of large sensor networks across wide areas. With a wireless range of up to 3 kilometers in open space, the SP-WT is ideally suited for applications in industry, agriculture, environmental monitoring, and critical infrastructure.