JVC PK-EM2G 3D RF Emitter for JVC ProjectorsRF Design for Easy Operation 3D RF Emitter for all JVC 3D projectors Easy install. Plugs directly into the back of the projector 30 foot range in any direction from the emitter Compatible with PK AG3G 3D RF active shutter glasses Note: Cannot be used with PK AG1 or PK AG2PK AG1 & PK AG2 are 3D IR active shutter glasses and require PK EM1 3D IR Emitter