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3000 Series Installation and Operation
Specications
†
Overall System
UHF Operating Frequencies
Frequency Range Number of Frequencies
Band C: 541.500 to 566.375 MHz 996
Band D: 655.500 to 680.375 MHz 996
Band E: 795.500 to 820.000 MHz 981
Band F: 840.125 to 864.900 MHz 953
Band G: 721.500 to 746.375 MHz 996
Band I: 482.000 to 507.000 MHz 1001
Band U: 606.000 to 631.000 MHz 1001
Not all frequencies are available in all areas. Please check with local regulations.
Minimum Frequency Step 25 kHz
Modulation Mode FM
Maximum Deviation ±35 kHz
Dynamic Range > 110 dB (A-weighted), typical
Total Harmonic Distortion < 1% (at 1 kHz, ±17.5 kHz deviation)
Operating Range 100 m (300'), typical
Open range environment with no interfering signals.
Operating Temperature Range -5 ºC to +45 ºC
23 º F to 113 ºF
Battery and LCD performance may be reduced at very low temperatures.
Frequency Response 70 Hz to 15 kHz (+1 dB, -3 dB)
ATW-R3100b Receiver
Receiving System True diversity
Image Rejection 60 dB nominal, 55 dB minimum
RF Sensitivity 20 dBuV at 60 dB S/N ratio
(50 ohms termination)
Maximum Output Level
XLR, balanced: +9 dBV
¼" (6.3 mm), unbalanced: +7 dBV
Antenna Input BNC-type, 50 ohms
Bias voltage 12V DC, 60 mA, each
Power Requirements 12-18V DC, 500 mA
Dimensions 210.0 mm (8.27") W x
164.4 mm (6.47") D x
44.0 mm (1.73") H
Not including BNC connectors or feet.
Net Weight 1.1 kg (38.8 oz), without accessories
Accessories Included Two exible UHF antennas;
AC adapter (country dependent);
rack-mount adapters
ATW-T310b UniPak
®
Transmitter
RF Power Output High: 30 mW, Low: 10 mW
(switchable), at 50 ohms
Spurious Emissions Following federal and national
regulations
Input Connection Four-pin Locking Connector
Pin 1: GND, Pin 2: INST INPUT,
Pin 3: MIC INPUT, Pin 4: DC BIAS +5V
Batteries Two 1.5V AA, not included
Battery Life High: 6 hours (alkaline)
Low: 8 hours (alkaline)
Depending on battery type and use pattern.
Dimensions 66.0 mm (2.60") W x
24.0 mm (0.94") D x
87.0 mm (3.43") H
Net Weight 81 g (2.9 oz), without batteries
Handheld Transmitters
RF Power Output High: 30 mW; Low: 10 mW,
(switchable), at 50 ohms
Spurious Emissions Following federal and national
regulations
Microphone Element
ATW-T341b Dynamic cardioid
ATW-T371b Condenser cardioid
Batteries Two 1.5V AA, not included
Battery Life High: 6 hours (alkaline)
Low: 8 hours (alkaline)
Depending on battery type and use pattern.
Dimensions
ATW-T341b 237.0 mm (9.33") long,
48.0 mm (1.89") diameter
ATW-T371b 240.0 mm (9.45") long,
50.0 mm (1.97") diameter
Net Weight
ATW-T341b 284 g (10.0 oz), without batteries
ATW-T371b 277 g (9.8 oz), without batteries
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.
Specications are subject to change without notice.
CAUTION: U.S. Public Safety/Security Restrictions
(Private Land Mobile Radio Services)
Pertains to use of I band systems only.
Avoid the frequencies/channels listed below in each of the following
U.S. metropolitan areas (as of November 2009). Refer to www.fcc.gov
for updates.
Urbanized
Area
Geographical Center Bands (MHz) TV Channels
North Latitude West Longitude
Boston, MA 42°21’24.4” 71°03’23.2” 470–476,
482–488
14, 16
Chicago, IL
1
41°52’28.1” 87°38’22.2” 470–476,
476–482
14, 15
Cleveland, OH
2
41°29’51.2” 81°49’49.5” 470–476,
476–482
14, 15
Dallas/Fort
Worth, TX
32°47’09.5” 96°47’38.0” 482–488 16
Detroit, MI
3
42°19’48.1” 83°02’56.7” 476–482,
482–488
15, 16
Houston, TX 29°45’26.8” 95°21’37.8” 488–494 17
Los Angeles,
CA
4
34°03’15.0” 118°14’31.3” 470–476,
482–488,
506–512
14, 16, 20
Miami, FL 25°46’38.4” 80°11’31.2” 470–476 14
New York, NY/
NE NJ
40°45’06.4” 73°59’37.5” 470–476,
476–482,
482–488
14, 15, 16
Philadelphia, PA 39°56’58.4” 75°09’19.6” 500–506,
506–512
19, 20
Pittsburgh, PA 40°26’19.2” 79°59’59.2” 470–476,
494–500
14, 18
San Francisco/
Oakland, CA
37°46’38.7” 122°24’43.9” 482–488,
488–494
16, 17
Washington,
DC/MD/VA
38°53’51.4” 77°00’31.9” 488–494,
494–500
17, 18
1
In the Chicago, IL, urbanized area, channel 15 frequencies may be used for paging operations
in addition to low power base/mobile usages, where applicable protection requirements for
ultrahigh frequency television stations are met.
2
Channels 14 and 15 are not available in Cleveland, OH, until further order from the Commission.
3
Channels 15 and 16 are not available in Detroit, MI, until further order from the Commission.
4
Channel 16 is available in Los Angeles, CA, for use by eligibles in the Public Safety Radio Pool.