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Overall System
ATW-R1820 Dual-channel Receiver
ATW-T1801 UniPak
™
Body-pack Transmitter
ATW-T1802 Plug-on Transmitter
Specifications
†
UHF Operating Frequencies
Band C: 541.500 to 566.375 MHz
Band D: 655.500 to 680.375 MHz
Number of Operating Frequencies 996 total per band (25 kHz increments)
Frequency Stability ±0.005%, Phase Lock Loop frequency control
Modulation Mode FM
Normal Deviation ±10 kHz
Operating Range 100 m (300') typical
Operating Temperature Range 23˚ F (-5˚ C) to 113˚ F (45˚ C)
Frequency Response 70 Hz to 15 kHz
Receiving System Dual independent RF sections,
automatic-switching diversity
Image Rejection >50 dB typical
Signal-to-Noise Ratio 104 dB at 30 kHz deviation (A-weighted),
maximum modulation 37 kHz
Total Harmonic Distortion <1% (±10 kHz deviation at 1 kHz)
Sensitivity 25 dBµV, (S/N 60 dB at 5 kHz deviation, A-weighted)
Audio Output (balanced) 27 mV (at 1 kHz, ±5 kHz deviation)
Output Connector 3-pin mini XLR (TA3M-type)
Monitor Headphone Output (typical) 35 mW max., 32 ohm load (per channel)
Monitor Headphone Jack 3.5 mm TRS, signals on both Tip and Ring
External Power Requirements 12V DC nominal, 500 mA
Batteries (not included) Six 1.5V AA alkaline
Current Consumption (battery)
Dual-channel Operation 600 mA typical
Single-channel Operation 350 mA typical
Battery Life
Dual-channel Operation 6 hours typical*
Single-channel Operation 10 hours typical*
* depending on battery type and use pattern
Dimensions 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D
Net Weight (without batteries) 425 grams (15.0 oz)
Accessories Included Two flexible UHF antennas; two 18" TA3F to XLRM
output cables; belt pouch
RF Power Output High: 30 mW; Low: 10 mW, nominal
Spurious Emissions Under federal regulations
Dynamic Range >105 dB, A-weighted
Input Connections High impedance, low impedance, bias
Batteries (not included) Two 1.5V AA alkaline
Current Consumption High: 180 mA; Low: 160 mA, typical
Battery Life Approximately 6 hours (High); 8 hours (Low),
depending on battery type and use pattern
Dimensions 66.0 mm (2.60") W x 87.0 mm (3.43") H x 24.0 mm (0.94") D
Net Weight (without batteries) 80 grams (2.8 oz)
RF Power Output High: 30 mW; Low: 10 mW, nominal
Spurious Emissions Under federal regulations
Dynamic Range >105 dB, A-weighted
Input Connector 3-pin locking XLRF-type
Microphone Power Provides power to condenser microphones rated to
operate on 12V phantom power or less.
Batteries (not included) Two 1.5V AA alkaline
Current Consumption High: 180 mA; Low: 160 mA, typical
Battery Life Approximately 6 hours (High); 8 hours (Low),
depending on battery type and use pattern
Dimensions 40.0 mm (1.57") x 111.0 mm (4.37") x 40.0 mm (1.57")
Net Weight (without batteries) 199 grams (7.0 oz)
† Specifications are subject to change without notice.