Listen Technologies LS-07-072 15-Person Portable RF System, Includes LT-700 Transmitter, 15x LR-400 Receiver, 72 MHz

50 Hz - 15 kHz ( +/-3 dB)

SQ enabled: 80dB; SQ disabled 60dB

< 2% total harmonic distortion (THD) at 80% deviation

Unbalanced, tip of 3.5 mm connector, -45 dBu nominal input level, -30 dBu maximum, impedance 20k Ohms

Three position switch: high, middle, and low; 6db increments

5VDC Bias

Unbalanced, ring of 3.5mm connector, -10 dbu nominal input level, -3 dbu maximum, impedance 10K ohms

Power, mute, channel UP/DOWN, Mic sensitivity, NiMH/alkaline battery, SQ enable/disable

Channel Lock out,Channel lock

Channel Designation, lock status, signal strength indication, battery life, RF Power

Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when muted

72.025 - 75.950 MHz

17 wide band, 40 narrow band

+/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)

Microphone cable

50 PPM

From 0 to 150' (45.7m)

3.5 mm connector

Less than 10mW

6

I/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply not included (LA-208)

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

Two AA batteries, alkaline or NiMH

15 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)

Fully automatic, 13 hours

RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant

14 to 104 Degree F (-10 to 40 Degree C)

-4 to 122 Degree F (-20 to 50 Degree C)

0 to 95% relative humidity, non-condensing

FCC Part 15, Industry Canada

Manually lockable, controls accessible through doors

Dark Gray with white silk screening

LR-100-072, LR-400-072, LR-500-072, LA-208, LA-277, LR-4200-072, LR-5200-072-P1, LR-5200-072, LR-4200-072-P1, LP-40-072-01, LP-41-072-01, LP-50-072-01, LP-51-072-01, LDS-5200-072, LDS-4200-072, LDS-4200-072-P0, LDS-4200-072-P1

3 x 5 x 1" (7.6 x 13 x 2.5cm)

Without Batteries: 3.9 oz (111g)
With Batteries: 5.8 oz (164g)

50 Hz - 15 kHz ( +/-3 dB)

SQ enabled 80 dB, SQ disabled 60 dB

3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm

< 2% total harmonic distortion (THD) at 80% deviation

Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable

Channel lock, squelch

Channel designation, battery level, battery charging, RF signal strength and channel lock

Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed

72.025 - 75.950 MHz

17 wide band, 40 narrow band

.6uV typical, 1 uV maximum for 12 dB sinad

+/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)

Programmable in 20 steps, automatic on loss of RF signal

Uses earphone cable

I/P 120 VAC; O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208)

0.09 in. (2.3 mm) 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

Two (2) AA batteries, alkaline or NiMH

30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)

Fully automatic, 13 hours

RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB

14 to 104 Degree F (-10 to 40 Degree C)

-4 to 122 Degree F (-20 to 50 Degree C)

0 to 95% relative humidity, non-condensing

RoHS

FCC Part 15, Part 90, Industry Canada

LT-800-072-01, LT-700-072, LA-208, LA-904, LA-902, LA-901, LDS-800-072-01

Manually lockable, SEEK/channel select behind the door

2.75 x 4.25 x 1.50" (7 x 10.8 x 3.8cm)

Without Batteries: 3.9 oz (111g)
With Batteries: 5.8 oz (164g)