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The HM Digital Hybrid Wireless® plug-on transmitter features a DSP-based
design that allows the transmitter to operate in its native Digital Hybrid
Wireless® mode, Lectrosonics 200 Series, 100 Series, IFB product groups, plus
two modes for compatibility with analog receivers from other manufacturers. A
unique multi-voltage phantom power feature allows the transmitter to be used
with virtually any microphone, including high-current condenser types, expanding
its usefulness in high-end applications such as motion picture production.
The transmitter provides 256 frequencies in standard frequency blocks between
470 and 692 MHz. The input amplifier uses an ultra low noise op-amp for quiet
operation. It is gain controlled with a wide range dual envelope limiter,
providing over 30 dB of headroom above full modulation. A 24-bit A-D converter
digitizes the audio, then filters supersonic noise above 21 kHz. The resulting
signal is encoded with a proprietary algorithm to produce an analog data signal
for RF transmission. The underlying RF link is an optimized FM system with +/-75
kHz wide deviation for a high signal to noise ratio.
The membrane switch control panel provides quick access to all setup screens.
The housing is machined from a solid billet to provide a rugged, lightweight
- Converts with XLR jacks to wireless operation
- LCD and membrane switches for setup
- Selectable 5, 18 and 48 volt phantom power plus off position for dynamic
- Adjustable low frequency roll-off
- Powered by two AA batteries
- 256 synthesized UHF frequencies
- 100 mW output power
- Rugged machined aluminum housing
- Available in 25 MHz blocks from 470 to 692 MHz
Most users do not need a license to operate this wireless microphone system.
Nevertheless, operating this microphone system without a license is subject to
certain restrictions: The system may not cause harmful interference; it must
operate at a low power level (not in excess of 50 milliwatts); and it has no
protection from interference received from any other device. Purchasers should
also be aware that the FCC is currently evaluating use of wireless microphone
systems, and these rules are subject to change. For more information, call the
FCC at 1–888–CALL–FCC (TTY: 1–888–TELL–FCC) or
visit the FCC's wireless
microphone Web site.
If you're a licensed Part 74 operator, you may continue to use 50mW and greater
wireless systems under certain conditions. Eligible parties include a person or
organization engaged in the production or filming of motion pictures or
television, so, to the best of our knowledge, this includes below the line
More information on also can be found here.
To apply for a license, visit
If you have
any questions about these usage restrictions, please give us a call at
1-866-GOTHAM-8 or e-mail