The receiver's exceptional sensitivity provides transmission ranges up to 200 feet indoors and up to a thousand feet outdoors. Optional high gain receiver antennas are available for longer range. You can use the Signal Strength Indicator on the Receiver to determine the best location for the case. No Power button to accidentally turn off the receiver 2.4 Ghz FCC approved Transmits up to 200 ft. Indoors this depend on wall structure etc.
More powerful Transmitters are available for Law Enforcement, Military and Federal Use only.