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Lectosonics UM400A 100mW pocket transmitter, Special order

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Additional information

Digital Hybrid Wireless™ Technology (Patent Pending)
256 synthesized UHF frequencies
100 mW output power
Dual envelope input limiter
Dual bicolor LEDs indicate four different levels for accurate gain adjustment
DSP based pilot-tone signal
Circulator/Isolator output stage
Adjustable low frequency roll-off
The UM400 implements the latest Digital Hybrid Wireless™ technology in a classic Lectrosonics belt-pack transmitter. A 5-pin input jack provides taps for low impedance dynamic mics, electret lavalier mics with positive or negative bias and line level inputs. Input gain is adjustable over a 43 dB range to perfectly match the audio input level for optimum modulation, minimum distortion and maximum signal to noise ratio. Input levels are accurately indicated by two LEDs on the control panel.
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 website at