Listen Technologies Portable Programmable Display RF Receiver (72 MHz)

Listen Technologies Portable Programmable Display RF Receiver (72 MHz)

Listen Technologies Portable Programmable Display RF Receiver (72 MHz)

B&H # LILR500072 MFR # LR-500-072
Listen Technologies Portable Programmable Display RF Receiver (72 MHz)

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Frequency: 72 MHz

72 MHz 216 MHz

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Listen Technologies LR-500-072 overview

  • 1Description

The Portable Programmable Display RF Receiver from Listen Technologies is a 72 MHz receiver. It can receive up to 57 channels and has a Look & Listen LCD Display that shows programming status, channel, lock, battery level, and RF signal strength. Channel selector buttons are located on the front of the unit. It has channel SEEK capability and is compatible with mono or stereo headsets. It takes AA batteries (alkaline or NiMH rechargeable). SmartCharge capabilities prevent overcharging.

80 dB signal-to-noise ratio (SNR)
57 channels
Unneeded channels can be locked so this receiver will access only one or more channels of your choice
Receiver is digitally-tuned so the transmission won't drift
Uses standard alkaline or nickel-metal hydride (NiMH) batteries
Built in SmartCharge won't allow batteries to overcharge
Transformer charging plug
In the Box
Listen Technologies Portable Programmable Display RF Receiver (72 MHz)
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Listen Technologies LR-500-072 specs

    RF Specificationttteesqexxezdzeyxexabaxqrsufacdfxe
    RF Frequency Range 72.025 to 75.95 MHz
    Number of Channels 17 wide band, 40 narrow band
    Sensitivity 0.6 uV typical, 1 uV maximum for 12 dB SINAD
    Frequency Accuracy ± .005% stability +32 to 122°F (0 to 50°C)
    Antenna Type Uses earphone cable
    Squelch Programmable in 20 steps, automatic on loss of RF signal
    Frequency Response System: 50 Hz to 15 kHz (±3 dB)
    Signal to Noise Ratio SQ enabled: 80dB; SQ disabled 60dB
    System Distortion <2% total harmonic distortion (THD) at 80% deviation
    Audio Output Jack 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, 32 Ohms
    User Controls Channel up/down, SEEK, volume, SQ enable/disable
    Programming Channel lock, squelch, channel lock out
    LEDs Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed
    LCD Channel Designation, lock status, signal strength indication, programming
    Battery Type 2 x AA batteries, alkaline or NiMH
    Battery Life 30 hours alkaline, 15 hours NiMH rechargeable
    Battery Charging Time Fully automatic, 13 hours
    Power Supply I/P 120 VAC, O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases
    Power Supply Connector 0.09 OD by 0.02" ID (2.3 OD by 0.7 mm ID}, barrel type connector 7.5 VDC, center positive <250 mA, drop in contact points for use with Listen charging cases
    Compliance RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
    Operation Temperature 14 to 104°F (-10 to 40°C)
    Storage Temperature -4 to 122°F (-20 to 50°C)
    Humidity (Non-Condensing) 0 to 95% relative humidity
    Compliance and Approvals
    RF FCC Part 15, Industry Canada
    Color Dark gray with white silk screening
    Doors Manually lockable, up, down, and power buttons through door, and other controls behind door
    Dimensions 3 x 5 x 1" (7.6 x 13 x 2.5 cm)
    Weight Unit: 3.9 oz (111 g) Unit with Batteries: 5.8 oz (164 g)
    Packaging Info
    Package Weight 0.4 lb
    Box Dimensions (LxWxH) 6.0 x 4.5 x 2.1"

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