Wireless Modbus Adapter

Battery or USB powered
Wireless Tunnel™ radio
Wireless extension of Modbus RS485

Wireless Tunnel™ Radio Sensor based on LoRa™ Technology

Wireless Modbus Extension

Interface to third party equipment via Modbus RS485. Collect data from Modbus devices such as Generators, UPS and other industrial equipment. Exrtend Modbus RS485 long distance using our Wireless TUnnel™ technology. Monitor and alarm through any AKCP Wireless Tunnel™ Gateway.

Sensor Details
  • 4x AA Batteries
  • 5VDC or 12VDC powered
  • LED indicators for power, status and RSSI
  • Optional DIN rail or pipe mounting

Wireless Tunnel™ Monitoring Solutions

Status Indication
LED indication for
– Mode
– Status
Manufactured using highly integrated, low power surface mount technology to ensure long term reliability.


Operating Environment
Temperature : Min. -35° C – Max.80° C
Humidity: Min. 20% – Max. 80% (Non-Condensing)
LoRa (R) Radio
Regional plans
– EU868 : 863~868Mhz, Max TX Power +14dBm, Duty Cycle 1%
– US915: 903~915Mhz, Max TX Power +17dBm
– 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%
FCC Part15C, CE EN300220-2


Micro-USB port for powering, adding and upgrading to the Gateway base unit


76 x 77 x 120mm


Wall hanging, DIN rail, Pipe Clamp


Power source
Requires external micro-USB 5V power source
Optional 12V input (custom order)
Environment monitoring



Modbus RS485
Compliant with Modbus RTU RS485 client protocol (act as a Master)
Supports register read only
– 12 sensors for reading analog values [function 03 and 04]
– 4 sensors for reading counter values up to 32 bits [function 03 and 04]
– 4 sensors for reading discrete type values [function 01 and 02]
Gateway sensor count 23 (3 + 20)


Important Note The sensor is not intended to continuously work on battery


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AKCPWireless Modbus Adapter