Listen Technologies Portable Display RF Receiver (72 MHz)

BH #LILR400072 • MFR #LR-400-072
Listen Technologies Portable Display RF Receiver (72 MHz)
Key Features
  • 57 Channels
  • 100% Digitally-tuned Receiver
  • LCD Display Indicators
  • Uses Standard Alkaline or NiMH Batteries
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The Portable Display RF Receiver from Listen Technologies is a 72 MHz receiver. It can receive up to 57 channels and has a digital display (LCD) to monitor channel selection, battery level, and signal strength. An LED on top of the receiver indicates if the unit is on, when batteries are low, or if the unit is locked on a channel. It has channel SEEK capability and is compatible with mono or stereo earphones.
Back-Ordered
$209.00
6 Mos. Promo Financing*
Frequency
216 MHz72 MHz
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Listen Technologies LR-400-072 Overview

The Portable Display RF Receiver from Listen Technologies is a 72 MHz receiver. It can receive up to 57 channels and has a digital display (LCD) to monitor channel selection, battery level, and signal strength. An LED on top of the receiver indicates if the unit is on, when batteries are low, or if the unit is locked on a channel. It has channel SEEK capability and is compatible with mono or stereo earphones.

80 dB signal-to-noise ratio (SNR)
Listen receivers are digitally-tuned so the transmission won't drift
Look & Listen LCD shows channel, battery status, signal strength, and programming information
Built in SmartCharge won't allow batteries to overcharge
Drop in charging contacts for any of Listen's many charging cases or a charging plug on the side of the unit
UPC: 819267022188

Listen Technologies LR-400-072 Specs

RF Specification
RF Frequency Range72.025 to 75.950 MHz
Number of Channels17 wide band, 40 narrow band
Sensitivity0.6 uV typical, 1 uV maximum for 12 dB SINAD
Frequency Accuracy± .005% stability +32 to 122°F (0 to 50°C)
Antenna TypeUses earphone cable
SquelchProgrammable in 20 steps, automatic on loss of RF signal
Audio
Frequency ResponseSystem: 50 Hz to 15 kHz (±3 dB)
Signal to Noise RatioSystem, A-Weighted: SQ enabled 80 dB, SQ disabled 60 dB
System Distortion<2% total harmonic distortion (THD) at 80% deviation
Audio Output Jack3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
Controls
User ControlsChannel UP/DOWN, SEEK (all controls except volume are lockable)
ProgrammingChannel lock, squelch
Indicators
LEDsRed, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed
LCDChannel designation,battery level, battery charging, RF signal strength and channel lock
Power
Battery Type2 x AA batteries, alkaline or NiMH
Battery Life30 hours alkaline, 15 hours NiMH rechargeable
Battery Charging TimeFully automatic, 13 hours
Power SupplyI/P 120 VAC, O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases
Power Supply Connector0.09 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
Battery12 VDC, connected via terminal block
Battery ChargingTrickle charge of optional 12 VDC battery through terminal block connection
ComplianceRoHS, WEEE, UL, PSE, CE, CUL, TUV, CB
Environmental
Operation Temperature14 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
Physical
ColorDark gray with white silk screening
DoorsManually lockable, SEEK/channel select behind the door
Dimensions4.25 x 2.75 x 1.5" (10.8 x 7 x 3.8 cm)
WeightUnit with Batteries: 5.8 oz (164 g)
Packaging Info
Package Weight0.4 lb
Box Dimensions (LxWxH)6 x 4.55 x 2.05"
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