Specifications

See pages 18-19 for illustrations.
Specifications
†
OVERALL SYSTEM
UHF Operating Fr
equency
Band C: 541.500 to 566.375 MHz
Band D: 655.500 to 680.375 MHz
Number of Channels 200 total per band
Fr
equency Stability ±0.005%, Phase Lock Loop frequency
control
Modulation Mode
FM
Normal Deviation ±10 kHz
Operating Range 300' typical
Operating T
emperature Range 41° F (5° C) to 113° F (45° C)
Frequency Response 70 Hz to 15 kHz
A
TW-R3100 RECEIVER
Receiving System Dual independent receivers, automatic-
switching diversity
Image Rejection 60 dB nominal, 55 dB minimum
Signal-to-noise Ratio 110 dB at 35 kHz deviation
(IEC-weighted), maximum modulation
75 kHz
Total Harmonic Distortion ≤1% (10 kHz deviation at 1 kHz)
Sensitivity 24 dBµV (S/N 60 dB at 5 kHz deviation,
IEC-weighted)
Intermediate Frequency 243.950 MHz, 10.7 MHz
Audio Output
Unbalanced: 50 mV (at 1 kHz, ±5 kHz deviation,
10k ohm load)
Balanced: 32 mV (at 1 kHz, ±5 kHz deviation,
10k ohm load)
Output Connectors
Unbalanced:
1
/
4
" TS (“mono”) phone jack
Balanced: XLRM-type
Power Supply 120V AC 60 Hz, or 12-18V DC, 500 mA,
center positive, with external supply
Dimensions 8.27" (210.0 mm) W x 1.93" (49.0 mm) H
x 7.20" (183.0 mm) D
Weight 2.4 lbs (1.1 kg)
Accessories Included AC adapter; two flexible UHF antennas;
rack-mount adapters
ATW-T310 UNIPAK
™
TRANSMITTER
RF Power Output High: 30 mW; Low: 10 mW, nominal
Spurious Emissions Under federal regulations
Dynamic Range ≥110 dB, A-weighted
Input Connections High impedance, low impedance, bias
Antenna Tip Color
Band C: Blue
Band D: Green
Batteries (not included) Two 1.5V AA alkaline
Current Consumption High: 200 mA; Low: 150 mA, typical
Battery Life Approximately 6 hours (High); 8 hours
(Low), depending on battery type and
use pattern
Dimensions 2.60" (66.0 mm) W x 3.43" (87.0 mm) H
x 0.94" (24.0 mm) D
Net Weight (without batteries) 2.8 oz (80 grams)
HANDHELD TRANSMITTERS
RF Power Output High: 30 mW; Low: 10 mW, nominal
Spurious Emissions
Under federal regulations
Dynamic Range
A
TW-T341 ≥110 dB, A-weighted
ATW-T371 ≥108 dB, A-weighted
Micr
ophone Element
ATW-T341 Dynamic cardioid (unidirectional)
ATW-T371 Condenser cardioid (unidirectional)
Batteries (not included) Two 1.5V AA alkaline
Current Consumption High: 230 mA; Low: 180 mA, typical
Battery Life Approximately 6 hours (High); 8 hours
(Low), depending on battery type and
use pattern
Dimensions
ATW-T341 9.33" (237.0 mm) long,
1.89" (48.0 mm) diameter
ATW-T371 9.38" (238.3 mm) long,
2.11" (53.6 mm) diameter
Net Weight (without batteries)
ATW-T341 9.9 oz (280 grams)
ATW-T371 8.0 oz (227 grams)
Accessory Included AT8456a Quiet-Flex™ stand clamp
†
In the interest of standards development, A.T.U.S. offers full details on its test methods to
other industry professionals on request.
Specifications are subject to change without notice.
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