Caution: u.s. public safety/security restrictions – Audio-Technica ATW-T310B User Manual

Page 12

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12

3000 Series Installation and Operation

Specifications

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 flexible 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.

Specifications 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.

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