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Aprisa SR+ Specifications

Aprisa SR+ short-form specification
Topology Point-to-Point (PTP) or Point-to-Multipoint (PMP) operation
Operating mode Base Station, Remote Station, Repeater Station or Base- repeater Station
Licensed frequency bands VHF 135  135-175 MHz
VHF 220  215-240 MHz
UHF 320  320-400 MHz
UHF 400  400-470 MHz
UHF 450  450-520 MHz
UHF 700  757-806 MHz
UHF 896  896-902 MHz
UHF 928  928-960 MHz
Channel sizes 12.5 kHz, 25 kHz and 50 kHz (software selectable)
Gross data rates QPSK
20 kbit/s in 12.5 kHz, 40 kbit/s in 25 kHz, 80 kbit/s in 50 kHz
16 QAM
40 kbit/s in 12.5 kHz, 64 kbit/s in 25 kHz, 144 kbit/s in 50 kHz
64 QAM
60 kbit/s in 12.5 kHz, 120 kbit/s in 25 kHz, 216 kbit/s in 50 kHz
Modulation / FEC Adaptive Coding and Modulation (ACM)  QPSK to 64 QAM with advanced FEC
RF operation Half duplex or full duplex RF operation
Antenna ports Software selectable dual / single antenna port options
Data interface ports Ethernet - 2, 3 or 4 port RJ45 10/100Base-T switch
Serial - 2, 1 or 0 port RJ45 RS-232 (Additional RS-232 port via USB converter)
Transmit average output power 0.01 – 10.0 W (modulation dependent)
Compression Ethernet header and IP / TCP / UDP ROCH header compression
Ethernet and serial payload compression to increase the narrow band radio capacity
Protocols Ethernet - IEEE 802.3 IEEE 802.3, 802.1d/q/p with L2 Bridge or L3 Router modes
Serial - Legacy RS-232 transport
VLAN support IEEE 802.1Q VLAN support with single and double VLAN tagged
Encryption and authentication Data encryption and authentication using 128,192 and 256 bit AES and CCM security standards
Protection Fully monitored, hot standby, hot swappable
International standards RF, EMC, safety and environmental
Compliance ETSI, FCC and IC

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