Cell2-Sky-Link-RS485-LTE/LAN is a base station for Nokeval 433.92MHz Sky-transmitters and is part of Nokeval Sky product families. It receives and buffers radio packets to its non-volatile memory and transmits them either over cellular mobile data networks or local area networks to Ovaport cloud service, thus enabling reliable remote data acquisition from the field straight to the Ovaport servers located in a data center.

Product code: 20682 and 20683

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User Manual and brochure
  • Storage temperature: -30…+60 °C, non-condensing
  • Operating temperature: -20…+50 °C
  • Operating humidity: 5…95 %RH, non-condensing
  • Protection class: IP65, except power supply which is IP20
  • Enclosure material: Plastic (PC+ABS), silicon rubber
  • Compatibility: Nokeval Sky series 433 MHz ISM band transmitters. Ovaport network service and NCloud
  • Weight: About 850 g including the wall holder and an external antenna
  • Maximum dimensions: Height 219 mm
  • Width: 133 mm
  • Depth: 68 mm
User interface
  • LEDs: 14 dual-color LEDs
  • Buttons: 2 buttons: power on/off and multifunction button
Internal memory for buffered results
  • Type: Non-volatile FLASH memory
  • Capacity: About 100 000 measurements
Backup batteries
  • Type: 2 pcs size D heavy-duty alkaline batteries
  • Backup running time: About 2 days at +20°C temperature, about 8 hours at -20°C temperature
433.92 MHz radio transceiver (Sky)
  • Description: Nokeval Sky protocol and radio transceiver using LoRa modulation
  • Antenna: Internal
  • Frequency: License-free 433.05 – 434.79 MHz
  • Power: max 10 dBm E.I.R.P
  • Open space range: Up to 10 km, dependent on configuration parameters
  • Indoor range: Up to several hundred meters, dependent on configuration parameters
Network connection, depending on the device type
  • Mobile: LTE Cat M1, NB1 bands 3, 8, 20 and 2G, internal chip antenna, micro size SIM card
  • Ethernet: 10/100 Mbit/s auto-negotiation. DHCP client.
Power supply
  • Voltage: 18…28 VDC
  • Current: < 500 mA
  • Firmware update: Over-The-Air (OTA) firmware update
  • RS485 external connector pins: Modbus RTU or Nokeval SCL protocols
Cloud connection
  • Compatibility with the Nokeval Ovaport cloud service