Cejay Phoenix™ Jr. (NSN:5855-01-438-4588) is an extremely rugged and low cost Infrared marker beacon. The Phoenix Jr. (Firefly) beacon was principally designed as an individual Combat Identification marker employed to minimize fratricide (the inadvertent destruction of battle field assets by friendly forces). It has also been used as a vehicle ID marker, drop zone indicator and perimeter marker. Since its introduction in 1984, the Phoenix Jr. is the most widely used electronic Combat ID system in the world.

The Phoenix Jr. (Firefly) beacon has been utilized by American and coalition forces for combat identification in theatres of operation such as Kosovo, Bosnia, Somalia, Afghanistan and Iraq. The beacon has many uses in combat and other operations for marking personnel, vehicles, pathways or locations. It incorporates a flash rate that was specified to prevent confusion with small arms fire. Use the Phoenix Jr. to identify friendly force positions, demarcation lines or perimeters.

Phoenix Jr. is the world standard for covert signaling and identification of military, law enforcement, SWAT and homeland security assets.

Color LED Options

  • Phoenix Jr. IR, IR-14 (902111IR)


Weight 8.5 Grams | 0.3 Ounce
Size 30.11mm x 18.73mm | 1.19" x 0.74"
Battery Common 9 volt
Battery Life Up to 100 hours (dependent on ambient conditions)
Flash Repeat Cycle 1.3 Seconds (fixed)
Flash Duration 20 Milliseconds (fixed)
Configuration 3 Light Emitting Diodes (LED)
Coverage 240 degrees x 360 degrees
Switching Attach or remove battery
Wavelength 880 nm.
Lifespan 20,000 hours use (average)

Operating Depth

  • The Poseidon-Phoenix/Pegasus Mounting Clip provides a water tight casing for the beacon and battery assembly. If immersed without the Poseidon case, the unit will continue to operate until the contacts fail due to water and electrolytic corrosion.


Cejay Phoenix Jr. IR Beacon

MSRP Price
902111IR, Cejay Phoenix Jr. IR Beacon
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