Listen Technologies Portable Display RF Transmitter (72 MHz) - LT-700-072

Listen Technologies Portable Display RF Transmitter (72 MHz) - LT-700-072

Part Number: LT-700-072
Our Price: $569.00
Availability: Usually ships the same business day
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Description

Portable Display RF Transmitter (72 MHz)

Designed for a variety of portable assistive listening applications, the LT-700 Portable Display RF Transmitter delivers the highest level of performance for all needs. Whether transmitting voice or music, the LT-700 offers a clear, reliable signal for use in environments without an installed assistive listening system. Wireless audio is easily and clearly picked up by any of our Listen Portable receivers, allowing you to meet your needs easily and effectively. From outdoor events to classrooms, factory tours to training spaces and more, the LT-700 is the ideal portable transmitter for nearly any setting.

This product is approved by the FCC for use in the US. Please note that they cannot be used in all countries. Check with your local government or specific regulation with regard to broadcast frequency in your specific country. Note: FCC rules limit the use of this product to assistive listening.

Key Features
  • Transmits up to six (6) channels of audio simultaneously on the 72 MHz band
  • Offers a choice between 57 different channels for flexibility and ease of setup
  • 80 dB signal-to-noise ratio provides superior audio quality
  • 100% digital signal output ensures a reliable connection to any and all receivers in use
  • Compatible with standard AA alkaline and NiMh rechargeable batteries
  • Easy-to-read Look & Listen (TM) LCD display with battery level, selected channel, and programming information
  • Built-in SmartCharge (TM) prevents batteries from overcharging Mic and/or line-level inputs
  • Mute switch
  • Limited lifetime warranty with Listen Technologies' hassle-free support
Includes
  • One (1) LT-700 Portable Display RF Transmitter
  • One (1) Owner's manual (72 MHz)

Specifications

Audio
Frequency Response50 Hz - 15 kHz (3 dB)
Signal-to-Noise RatioSQ enabled: 80dB; SQ disabled 60dB
Distortion< 2% total harmonic distortion (THD) at 80% deviation
Microphone InputUnbalanced, tip of 3.5 mm connector, -45 dBu nominal input level, -30 dBu maximum, impedance 20k Ohms
Microphone SensitivityThree position switch: high, middle, and low; 6db increments
Microphone Power5VDC Bias
Line InputUnbalanced, ring of 3.5mm connector, -10 dbu nominal input level, -3 dbu maximum, impedance 10K ohms
Controls
User ControlsPower, mute, channel UP/DOWN, Mic sensitivity, NiMH/alkaline battery, SQ enable/disable
ProgrammingChannel Lock out,Channel lock
Indicators
LCDChannel Designation, lock status, signal strength indication, battery life, RF Power
LEDsRed, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when muted
RF
Frequency Range72.025 - 75.950 MHz
Number of Channels17 wide band, 40 narrow band
Frequency Accuracy .005% stability 32 to 122 (0 to 50C)
Antenna TypeMicrophone cable
Transmitter Stability50 PPM
Transmission RangeFrom 0 to 150 ft. (45.7 m)
Antenna Connector3.5 mm connector
Output PowerLess than 10mW
Number of Simultaneous Transmitters6
Power
Power SupplyI/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply not included (LA-208)
Power Supply Connector2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive < 250mA. Drop in contact points for use with Listen charging cases
Battery TypeTwo AA batteries, alkaline or NiMH
Battery Life15 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
Battery Charging TimeFully automatic, 13 hours
ComplianceRoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
Physical
Width3.00 in. (7.6 cm)
Height5.00 in. (13.0 cm)
Depth1.00 in. (2.5 cm)
ColorDark Grey with white silk screening
Unit Weight with Batteries5.8 oz. (164 g)
Shipping Weight1.0 lbs. (0.5 kg)
Weight3.9 oz. (111 g)
DoorManually lockable, controls accessible through doors
Environmental
Temperature - Operation14 to 104 F (-10 to 40 C)
Temperature - Storage-4 to 122 F (-20 to 50 C)
Relative Humidity0 to 95% relative humidity, non-condensing
Compliance
RFFCC Part 15, Industry Canada

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