Wireless Tunnel™ sensors, up to 4 wired sensors share 1 radio
Rapid deployment of your sensor network over large area
The sensorProbe+ Wireless Tunnel™ (SP-WT) is equipped with Semtech’s LoRa based radio technology, and utilizes the AKCP Wireless Tunnel™ communications protocol. Connect up to 4 wired sensors to a single radio. This makes for rapid deployment for a large number of sensors.
Connect up to 30 SP-WT devices to the sensorProbe+ Wireless Tunnel™ Server (SP-WTS), with 4 sensors on each that gives 120 sensors from only 30 radios. The SP-WT is powered by either 3x AAA batteries, or 5VDC USB input. Both can be used with the batteries as a failover power source. It is recommended where possible to power the SP-WT via external power supply. An optional external battery pack (SP-WT-EXTBAT) is also available for increased life of up to 10 years.
Features
– Guaranteed message delivery
– Proprietary AKCP Wireless Tunnel™ Protocol
– Long range radio communications (up to 3km in open space)
– Low power radio for extended battery life (sensor dependent)
– Internal antenna tuned for greater signal strength
– Plugin AKCP Intelligent sensors
Wireless Tunnel™ Monitoring Solutions

SP-WT-EXTBAT (SP-WT with External Battery Pack)
Status Indication | LED indication for power LED for Radio connectivity LED for Status |
Components | Manufactured using highly integrated, low power surface mount technology to ensure long term reliability. |
Operating Environment | Temperature : Min. -15° C – Max.50° C Humidity: Min. 20% – Max. 80% (Non-Condensing) |
MTBF | 1,400,000 Hours based on field experience with sensorProbe units. |
Connectivity | Wireless Tunnel™ connection to sensorProbe-Wireless Tunnel Server (SP-WTS) |
Inputs | 1x USB for external 5VDC power and firmware updates. 1x intelligent sensor ports for connecting AKCP wired sensors |
LoRa (R) Radio Regional plans |
– EU868 : 863~868Mhz Max TX Power +14dBm Duty Cycle 1%- US915: 903~915Mhz Max TX Power +20dBm- AS923 : 920~925Mhz Max TX Power +14dBm Duty Cycle 1%- KR920 (Korea) : 922~923Mhz Max TX Power +14dBm Duty Cycle 1%- IL917 (Israel) : 915~917Mhz Max TX Power +14dBm Duty Cycle 1% |
Certification | FCC Part 15C, CE EN300220-2 |
Power | External 5.5V 3A Power Adapter AKCP External Battery Pack with 6x AAA batteries (non rechargeable)* 3x AAA Batteries (non-recharageable) |
Dimension | 111 (W) x 62 (H) x 87 (D) |
Mounting | Desktop, wall mount, DIN rail, Magnetic |