from this brand
AudioLink-PRO frequency agile medium-large area IR modulator-emitter; 95KHz or 250KHz(7500sf); 2.3MHz or 2.8MHz(5000sf)
Single channel; Frequncey agile modulator/ emmitter capable of operating on any of the four primary IR frequencies. (95KHz,250KHz,2.3MHz, 2.8MHz)
Assistive Listening (IR)
- Microphone, Line and High level input
- Light weight 0.75 kg/ 1.7 lb.
- Transmitter can be used as a portable unit or mounted with a wallbracket
- Two high band and two low band Carrier Frequencies 95kHz, 250 kHz, 2.3 mHz, 2.8 mHz