Used Lectrosonics IFBT4 Frequency-Agile Compact Transmitter, (Frequency Block 25) 640.00- 665.50MHz

For professionals in the broadcast, motion picture, theater, and stage industries who demand high-quality audio and extended operating range, the Lectrosonics IFBT4 Frequency-Agile Compact Transmitter is an ideal choice. This high-tech, compact, and durable device can function as a stand-alone unit or seamlessly integrate with popular intercom systems, offering exceptional flexibility.

Leveraging Lectrosonics' patented Digital Hybrid Wireless technology (U.S. Patent 7,225,135), this transmitter digitally encodes the audio before transmitting it via an analog FM wireless link. This unique method, only possible in the digital domain, effectively combats channel noise, ensuring crystal-clear audio transmission while enjoying the benefits of conventional FM systems, such as excellent range, efficient RF spectrum use, and resistance to interference.

The IFBT4 Transmitter operates within a frequency range of 640-665.5 MHz, offering 256 UHF frequencies in 100kHz steps. This broad range facilitates easy coordination in multi-channel wireless systems and helps avoid interference from external RF signal sources and noise. A user-friendly microprocessor control eliminates transients at turn-on and turn-off, and mutes the transmitter in TUNE mode to prevent interference while changing frequencies.

With an output power of 250 mW, this transmitter, when paired with an efficient antenna, delivers exceptional operating range. Indoors, the signal efficiently penetrates and reflects off various surfaces, extending the operating range and reducing the need for critical antenna positioning.

The IFBT4 Transmitter also features a backlit LCD display for easy operation in dimly lit conditions or direct sunlight, and DIP switch settings on the rear panel for compatibility with RTS and Clear Com intercom systems. A preamp stage in the input stage allows for direct connection to dynamic microphones in standalone applications, and studio line level output can be fed directly into the transmitter.

Constructed from rugged, machined aluminum with an electrostatic powder coating and an anodized finish, the IFBT4 Transmitter is built to last. It operates on 6 to 18 Volts DC via a locking connector and comes with a detachable, locking 1/4 wavelength flexible, galvanized steel cable whip antenna that connects to a 50 Ohm BNC connector on the rear panel. Trust the Lectrosonics IFBT4 Frequency-Agile Compact Transmitter for reliable, high-quality wireless audio transmission.