OI-9900 WireFree Signal Repeater


The Gen II WireFree Repeater OI-9900 is a wireless device that receives messages from a sensor assembly and repeats the identical message to a receiver/monitor, allowing for greater distance between devices than with a sensor assembly/monitor setup alone.

The Repeater operates with 12-35 Volts DC, and is equipped with two antennas and two radios: Gen II 900 MHz or Gen II 2.4 GHz.

Part Number Formula: OI-9900-[Radio Frequency]

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Operating Voltage: +12-35 Volts DC

Current Draw: 150mA at 24 Volts DC

Channels: 32 (receives transmissions from up to 32 devices)

Radio Options:

• 2.4 GHz

• 900 MHz, 200mW

Networks (Settable):

• 1-78 (2.4 GHz)

• 1-52 (900 MHz)

Operating Temperature: -40° C to 54° C


• PTC (automatic resettable)

• Non end-user replaceable


• Graphical LCD, transflective, sunlight readable

• LED back-light, 102 x 64 resolution


• Three push-buttons (MENU, ADD, SUB)

• Three corresponding magnetic, non-intrusive switches

Enclosure: Otis-Blue explosion/flame-proof

Certifications: CSA certified, Class 1, Div I Groups C and D

Warranty: Hardware: One year (limited)

Radio Configuration: Gen II 900 MHz Radio, Gen II 2.4 GHz Radio

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