Listen Technologies LT-700 Portable Display RF Transmitter (216 MHz)

Listen Technologies LT-700 Portable Display RF Transmitter (216 MHz)

Listen Technologies LT-700 Portable Display RF Transmitter (216 MHz)

B&H # LILT700216 MFR # LT-700-216

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Product Highlights

  • Up to 57 Channels
  • 80 dB Signal-to-Noise Ratio
  • LCD Display Indicator
  • 100% Digitally-Tuned
  • Mute Switch
  • Mic and /or Line Level Inputs
  • Built-In SmartCharge
  • Battery Status Indicator
  • Uses Standard Alkaline or NiMH Batteries
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Listen Technologies LT-700-216 overview

  • 1Description

The 216 MHz Listen Technologies LT-700 Portable Display RF Transmitter is used to wirelessly broadcast audio for a variety of portable applications. Whether its voice or music, you can broadcast your audio to everyone in the audience without having to carry a microphone or be plugged into a wall. The LT-700-216 is suitable for factory tours, outdoor events, wireless microphone applications, classrooms, training, or personal use - anywhere you need to amplify sound, but don't have (or want) an installed system. The many features of the LT-700 have made portable transmission considerably easier.

A potent 80 dB signal-to-noise ratio
A choice between 57 channels, with complete antenna and accessory options makes the LT-700-216 MHz suitable for a wide range of applications
Look & Listen LCD shows channel, battery status, and programming information
100 % Digital - Listen receivers are digitally-tuned so transmission won't drift; assurance that when you select a channel, it stays on the channel
Transmit up to three (3) channels simultaneously
Uses standard alkaline or NiMH batteries
Transformer charging plug or drop in charging contacts
Built in SmartCharge won't allow batteries to overcharge
Charging circuitry is conveniently built into Listen's LT-700 Transmitter; never worry about unplugging a transformer at a certain time
Mute switch
Mic and/or line level inputs
In the Box
Listen Technologies LT-700 Portable Display RF Transmitter (216 MHz)
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Listen Technologies LT-700-216 specs

    Frequency Response ± 3dB 50 to 10 kHz
    Signal-to-Noise Ratio SQ enabled: 80 dB; SQ disabled 60 dB
    Distortion <2% total harmonic distortion (THD) at 80% deviation
    Microphone Sensitivity Three position switch: high, middle, and low; 6 db increments
    Line Input Unbalanced, ring of 3.5 mm connector, -10 dbu nominal input level, -3 dbu maximum, impedance 10 kOhms
    Microphone Power 5 VDC Bias
    Microphone Input Unbalanced, tip of 3.5 mm connector, -45 dBu nominal input level, -30 dBu maximum, impedance 20 kOhms
    User Controls Power
    Channel UP/DOWN
    Mic sensitivity
    NiMH/alkaline battery
    SQ enable/disable

    Channel lock out
    Channel lock
    Indicators LEDs:
    Red, illuminated when unit is on
    Flashes when batteries are low, or to indicate charging
    Flashes when muted

    Channel Designation
    Lock status
    Signal strength indication
    Battery life
    RF Power
    RF Specification
    Frequency Range 216.0125 to 216.9875 MHz
    Supported Transmitters 3
    Frequency Accuracy ± .005% stability 32 to 122ºF (0 to 50ºC)
    Transmission Stability 50 PPM
    Transmission Range From 0 to 150' (45.7 m)
    Output Power <10 mW
    Antenna Type Microphone cable
    Antenna Connector 3.5 mm
    Battery Type 2 x AA batteries, alkaline or NiMH
    Battery Life 15 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
    Battery Charging Time Fully automatic, 13 hours
    Power Supply I/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply optional, not included (LA-208)
    Power Supply Connector 2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive <250mA.
    Drop in contact points for use with Listen charging cases
    Compliance RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
    RF:FCC Part 15, Industry Canada
    Safety: RoHS
    Physical and Environmental
    Temperature (Operating) 14 to 104º F (-10 to 40ºC)
    Storage Temperature -4 to 122°F (-20 to 50ºC)
    Relative Humidity 0 to 95% relative humidity, non-condensing
    Color Dark gray with white silk screening
    Door Type Manually lockable, controls accessible through doors
    Component Dimensions & Weights Dimensions(H x W x D): 5 x 3 x 1"(13.0 x 7.6 x 2.5 cm)
    Unit Weight with Batteries: 5.8 oz. (164 g)
    3.9 oz. (111 g)
    Packaging Info
    Package Weight 0.45 lb
    Box Dimensions (LxWxH) 6.0 x 4.4 x 2.1"

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