Specifications

15
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 11 3˚ 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 12 V 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: 18 0 mA; Low: 16 0 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.