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2 2400xtr (2.4 ghz) technical specifications, 3 fcc compliance, Warning (part 15.21) – Daktronics Ethernet Bridge Radio (EBR) 900 MHz (0A-1327-1111) and 2.4GHz (A-3446) User Manual

Page 14: Rf exposure (oet bulletin 65), Information to the user - part 15.105 (b), 2400xtr (2.4 ghz) technical specifications, Fcc compliance

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10 

Technical Specifications

5.2 2400xTR (2.4 GHz) Technical Specifications

5.3 FCC Compliance

Compliance Statement (Part 15.19)

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired

operation.

Warning (Part 15.21)

Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.

RF Exposure (OET Bulletin 65)

To comply with FCC RF exposure requirements for mobile transmitting devices, this transmitter should only
be used or installed at locations where there is at least 20 cm separation distance between the antenna and all
persons.

Information to the User - Part 15.105 (b)

Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation.

Characteristic

Specification/Description

RF transmission rate

1.536 Mb/s

Ethernet data rate

935 Kb/s

RF Output Power

+21 dBm (4 Watts EIRP with 15 dBi antenna)

Receiver Sensitivity

-97 dBm at 10

-4

Bit Error Rate

Range

Up to 40 miles line of sight with 15 dBi antenna

RF Channels/Bandwidth

29 non-overlapping channels with 2.048 MHz spacing and 1.75 MHz occupied
bandwith 5.728125 GHz to 5.846909 GHz

Connector types

RF: RPTNC Female / 10/100 base T Ethernet: RJ-45

Data Encryption

128-bit AES, FIPS197, keys set through password-protected browser interface

Error correction technique

Sub-block error detection and retransmission

Adjacent band rejection

SAW receiver filter attenuates cellular and pager interference

Power regulation

Built-in switching regulator

Browser management tools

QoS Statistics, Network Settings, Spectrum Analyzer, Firmware Upgrade

Power consumption

Transmit: 1.7 Watts Receive: 0.8 Watts

Voltage

9 to 48 VDC via unused pins in RJ-45 jack - pins 4,5 positive, 7,8 ground

Power regulation

Switching regulator

Transmit current draw

140 ma at 12 VDC

Operating Temperature

Range

-40 ºC to +75 ºC

Enclosure

Die cast aluminum, powder-coated, gasket-sealed connectors and cover. Meets
IP66 for water and dust resistance.

Size

6 by 8 by 20 cm, 0.8 Kg, connectors included
Mounting holes on bottom flange, 52 by 190 mm, 4 mm dia