Lectrosonics UM190b User Manual download pdf (Page 12)

SPECIFICATIONS AND FEATURES

Operating frequencies: 470 to 608 MHz

RF Power output: 70 mW (nominal)

Frequency stability: ±0.002%

Deviation: ±15 kHz (max)

Preemphasis: shelving type, 100us (1.6kHz), 24us (6.4kHz)

Spurious radiation: 50 dB below carrier

Equivalent input noise: -126 dBV

Input level: Nominal 2 mV to 300 mV, before limiting.

Greater than 50 Volts maximum, with limiting.

Input impedance: Taps provided for 500, 1k, 10k Ohm

Input compressor: Soft compressor, >30 dB range

Gain control range: 43 dB; semi-log rotary control

Modulation indicators: Dual LEDs indicate modulation level 20dB below limiting and

at the onset of limiting.

Controls: 2 position “OFF-ON” slide switch. Front panel knob adjusts

audio gain. Recessed control on side panel adjusts low

frequency rolloff.

Audio Input Jack: Switchcraft 5 pin locking (TA5F)

Antenna: Detachable, flexible wire supplied. 50 Ohm port allows

connection to test equipment.

Battery: Precision compartment auto-adjusts to accept any known

alkaline or lithium 9 Volt battery. (We’ve tried 108

different ones!)

Battery Life: 7.5 Hours with alkaline 9 Volt

Weight: 6.3 ozs. including battery

Dimensions: 3.1 x 2.4 x .75 inches

Emission Designator: 35KF3E

Specifications subject to change without notice.

The UM190B transmitter is FCC type accepted under Part 74: 470-608 MHz

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Lectrosonics UM190b User Manual Page 12