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Introduction
ACRS 2.0 is the second generation Adaptrum cognitive radio system covering spectrum bands from
400 MHz to 1 GHz. Although capable to operate in other spectrum bands below 1 GHz, Adaptrum ACRS
2.0 is specifically designed to operate in the UHF TV Band (470 MHz – 698 MHz), as TV Band Devices
compliant to the rules specified in CFR 47 Part 15 Subpart H. To be rules-compliant, ACRS 2.0 systems
must operate as Fixed TV Band Devices and must be professionally installed. ACRS 2.0 system
specifications are shown in the following table.
Regulatory Compliance
Network topology
Mobility Support
Frequency Range
Channel Bandwidth
Aggregated Layer 2 Data Rate
(Uplink + Downlink) / 6MHz
Uplink/Downlink Ratio
Transmit Power
Channel Bandwidth Efficiency
Adjacent Channel Emission
Receiver Sensivity
(6 MHz Channel)
Optional external antenna connector
Physical Dimensions
General Specifications
Technology
Interface Specifications
Data/Control
Electrical and Mechanical Specifications
Supply
Weight
Table 1: Adaptrum ACRS 2.0 system specifications.
FCC Part 15 Subpart H
TDD OFDMA
Point to Multi-Point
Nomadic & Vehicular up to 40 m/s
400 MHz – 1000 MHz
Flexible up to 10 MHz
Supporting 6, 7, 8 MHz TV channels
1 Mbps – 16 Mbps
Any
e.g. 1:1, 1:3, 4:1
100 mW conducted
94 percent
< -55 dBc
Level
SNR
-98 dBm
3.5 dB
-90 dBm 11.5 dB 7.1 Mbps (16 QAM 2/3)
-81 dBm 20.5 dB
12 Mbps (64 QAM 3/4)
SMA Female
10/100 Ethernet
48 V PoE
8.5 inches x 7.5 inches x 1.5 inches
3.6 LB
Data Throughput
2.7 Mbps (QPSK 1/2)
3
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