We offer a matching transmitter or program one of yours. Law Enforcement and US Military no obligation evaluations.

Wireless prompting INVISITY – fits totally inside your ear and is a virtually invisible narrow band - in the ear RF radio receiver for prompting of drug buyers, interrogators or public speakers and actors. Many portable radios can be programmed to Invisity’s frequencies or a dedicated transmitter can be supplied. While working distance is dependent on transmitter output, a range of 50 to 800 feet can be anticipated. Batteries will provide up to 13 hours of constant reception.

Virtually invisible in user’s ear canal

Working distance 50 to 820 feet, (depends on transmitter environment)

Battery life – 13 hours of constant use

Programmable VHF frequencies