Part Number - RX2105

MicroRX Indoor Station

From $1,120.00 USD
An easy-to-deploy, low-cost, cellular monitoring station for long-term, reliable monitoring in warehouses, cold storage facilities, data centers, museums, and other buildings.

Important Information

Requires HOBOlink, Onset’s cloud software platform, to access data with a web browser or mobile device. LEARN MORE.


An easy-to-deploy, low-cost cellular monitoring station for long-term, reliable monitoring of indoor conditions in warehouses, cold storage facilities, data centers, museums, commercial and residential buildings, and more. This station includes an integrated HOBOnet Manager for easy deployment with wireless HOBOnet sensors. The station also features inputs for up to five of Onset's research-grade plug-and-play sensors. Configurable station-side alarms trigger immediate notifications of critical conditions, and Onset's HOBOlink cloud software platform makes it easy to view, access, and share data.


  • Compact size and integrated HOBOnet Manager for easy deployment
  • Scalable, with option to connect up to 50 wireless sensors; 600 m line-of-sight range
  • Inputs for five plug-and-play sensors
  • Includes AC power adapter and user-replaceable AA lithium batteries for battery back-up
  • Built-in LCD confirms proper setup and operation
  • Up to 10-minute connection rates via 4G cellular data plans
  • Cloud-based monitoring and data access through HOBOlink
  • Integrated mounting tabs for use with screws, zip ties, or U-bolts

Build a system

  • Step 1
  • Step 2
    Data Plans
  • Step 3
    Wireless Sensors
  • Step 4
    Wired Sensors
  • Step 5
  • Step 6

Step 1 Choose your station

Your region determines your device frequency
US$ 0


Operating Range RX2105: -40° to 60°C (-40° to 140°F)
Smart Sensor Connectors 5
Smart Sensor Network Cable Length 100 m (328 ft) maximum
Smart Sensor Data Channels Maximum of 15 (some smart sensors use more than one data channel; see sensor manual for details)
Logging Rate 1 minute to 18 hours
Time Accuracy ±8 seconds per month in 0° to 40°C (32°F to 104°F) range;
±30 seconds per month in -40° to 60°C (-40° to 140°F) range
Battery Type/Power Source RX2105: AC power adapter (P-AC-1) and 6 AA 1.5 V lithium batteries
Battery Life/Power Source RX2105:
Runs continuously with the included AC adapter.
Batteries can be used as a backup to AC power; battery life of 3 months with 1 minute logging and daily connections or 2 months with 1 minute logging and hourly connections, and with approximately 10 motes. Note: Deployments in areas with weak cellular strength could reduce battery life.
Alarm Notification Latency Logging interval plus 2–4 minutes, typical
Enclosure Access Hinged door secured by two latches with eyelets for use with user-supplied padlocks
LCD LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range
Materials Outer enclosure: Polycarbonate/PBT blend with brass inserts; Interior: Polycarbonate/PBT; Gasket: Silicone foam; Cable channel: Santoprene™ TPE; U-Bolts (not included): Steel with zinc dichromate finish
Dimensions 19.95 x 13.68 x 7.49 cm (7.85 x 5.39 x 2.95 in.); see diagrams at left
Weight 678 g (23.9 oz)
Mounting Optional U-bolts are compatible with masts up to 4.14 cm (1.63 in.) mast diameter; can also be mounted with zip ties or mounted to a flat surface with screws
Environmental Rating Weatherproof enclosure, NEMA 4X and IP66 (requires proper installation of cable channel system)
Wireless Radio GSM/GPRS/EDGE: Quad band 850/900/1800/1900 MHz
UMTS/HSPA+: Seven band 800/850/900/1800/1900/2100 MHz
LTE: Twelve Band 700/800/850/900/1800/1900/2100/2600 MHz
Antenna 4G LTE
FCC Compliance Mark
Federal Communication Commission
CE Compliance Mark
European Union Compliance


Australia/New Zealand General Compliance mark
Australia and New Zealand Compliance


Taiwan NCC Mark
Taiwan NCC Mark
Operating Range -25° to 60°C (-13° to 140°F)
Radio Power 12.6 mW (+11 dBm) non-adjustable
Transmission Range Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high
Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
Wireless Data Standard IEEE 802.15.4
Radio Operating Frequencies

RX210x-922: 916–924 MHz
RX210x-921: 921 MHz
RX210x-900: 904–924 MHz
RX210x-868: 866.5 MHz

Modulation Employed OQPSK (Offset Quadrature Phase Shift Keying)
Data Rate Up to 250 kbps, non-adjustable
Duty Cycle <1%
Maximum Number of Motes 50 motes per one HOBOnet wireless sensor network
Power Source Powered by the station
Dimensions Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
Cable length: 2 m (6.56 ft)
Weight 159 g (5.62 oz)
Materials PCPBT, silicone rubber seal
Environmental Rating IP67, NEMA 6

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AC Power

$39.00 USD


$29.00 USD

Wireless Communications

$140.00 USD
$140.00 USD
$140.00 USD
$140.00 USD
$140.00 USD

What's in the box

  • HOBO RX2105 MicroRX Station
  • Manager
  • Cable
  • Grease packet
  • Cable ties
  • Screws and washers
  • Six AA lithium batteries


HOBO® MicroRX Station for HOBOnet® (RX2105 and RX2106) Manual

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HOBO® MicroRX Station for HOBOnet® (RX2105 and RX2106) Quick Start

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HOBOlink® Web Services V3 Developer’s Guide

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If you have a question that’s not listed below, contact our Sales Application Specialists, who will be happy to help you!

The HOBO MicroRX is a cellular station. If you need to monitor via Ethernet or Wi-Fi, you can use the HOBO RX3000 Remote Monitoring Station.

Yes. You can add the S-ADAPT-6 Consolidator Box to connect up to five additional smart sensors with your MicroRX Station.

No. If you want to use these adapters to connect analog sensors, use the S-ADAPT-6 Consolidator Box and mount the adapters in this.

If you are mounting your station with cable ties, you will need diagonal cutting pliers for cutting off excess cable tie. If you are mounting with U-bolts, you will need a ½” box wrench. If using screws to mount your station, you will need a Phillips-head screwdriver.

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