otis instruments OI-9900-X Wireless Signal Repeater

Availability: In stock
Product TypeSignal Repeater/Extender
Power TypeWired Powered
Operating Voltage12V to 35V DC
Current Draw150 mA Maximum at 24VDC
RF Connection2 External N-Female Radio Frequency (RF) Connectors
ProtectionPower Electromagnetic Interference (EMI) Filter
Display Screen102x64 Resolution Graphical LCD Screen
Transflective (Sunlight Readable) with LED Back Light
Interface3 Magnetic Push-Buttons (MENU, ADD, and SUB)
Tamb Temperature Range-40°C to +60°C
Product CompatibilityAll Otis GEN II WireFree Sensors
WireFree Radio OptionsTwo GEN II 900 MHz (200 mW) Radios
Two GEN II 2.4 GHz (125 mW) Radios
Networks52 Networks (GEN II 900 MHz Radio)
78 Networks (GEN II 2.4 GHz Radio)
255 Addresses per Network
Enclosure MaterialOtis Blue Aluminum Enclosure
Product Dimensions5.42 in. L x 6.03 in. W x 12.16 in. H (Max. Dimensions with Attachments)
Total Weight7.5 lbs.
Hazardous Location Certifications and Approvals

Class I, Division 1, Groups C & D
Ex db IIB Gb
Class I, Zone 1, AEx db IIB Gb
Tamb -40°C to +60°C

Hardware Warranty1-Year, Limited
Part Number Formula01-9900-[Radio]-O


The Otis Instruments 01-9900 Wireless Repeater is a device that receives transmissions from a Wireless sensor or switcher and repeats the transmission to its corresponding monitor or controller within the WireFree network. Enables greater distances and reliable communication between the gas detector and the gas monitor.


  • 255 Channel WireFree Repeater - All Addresses on Configured Network
  • 12 to 35 VDC Operating Voltage
  • Radio Options: GEN II 900 MHz or GEN II 2.4 GHz Radio Standard
  • Graphical LCD with LED Back Light
  • Explosion Proof Aluminum Enclosure with Class I, Division 1, Groups C & D Certifications
  • Operating Temperature Range of -40°C to +60°C
  • Individually Configurable Low and High Alarm Set-Points per Channel
  • 1-Year Limited Hardware Warranty
  • 3 Push-Button Interface (ADD, MENU, SUB)

Please refer to datasheet for more information.