Site~Rite
®
8 Ultrasound System
Page 77
25. SITE~RITE® 8 ULTRASOUND SYSTEM WIRELESS TECHNOLOGIES (if enabled)
The Site~Rite
®
8 Ultrasound System incorporates a standard IEEE 802.11 b/g/n transceiver to provide a wireless Ethernet
connection to DICOM servers and network PC’s. This connection can be used for
archiving data. Bluetooth™ capabilities
are also included for wireless pairing to approved accessories. The Cue™ Activator contains an RFID reader.
RF and Wireless Technology Summary
Function
Wireless Ethernet
Bluetooth™
RFID
Technology
802.11 b/g/n
Bluetooth™ 4.0 / 3.0 +
High Speed
ISO 14443
Transmit/Receive
Transmit/Receive
Transmit/Receive
Transmit/Receive
Frequency
2.4 GHz
ISM Bands 2.142 - 2.472 GHz, 2.484 GHz
2.402 - 2.483 GHz
13.56 MHz ± 7kHz
Modulation
802.11b: CCK, DQPSK, DBPSK
802.11g/n: 64 QAM, 16 QAM, QPSK, BPSK
Header: GFSK
Payload 2M: π/4
DQPSK
Payload 3M: 8DPSK
ASK modulation with a
modified Miller encoding
Bandwidth
2.4 GHz ISM Bands 2.412-2.472 GHz, 2.484
GHz
802.11b
2.4 GHz ISM Bands 2.412-2.472 GHz, 2.484
GHz
802.11g
2.4 GHz ISM Bands 2.412-2.472 GHz, 2.484
GHz
802.11n
2402 MHz - 2483 MHz
13.56 MHz ± 7kHz
Effective
Radiated Power
Output
802.11b: 15.75dBm
802.11g: 16.18dBm
802.11n(HT20/HT40): 16.37 dBm / 16.25 dBm
Between 4 to 15 dBm
(conductive)
125 mW
Operating Range
(meters)
<34
<10
4.5cm
Quality of Service (QoS)
Since the Site~Rite
®
8 Ultrasound System uses WLAN to transmit patient data to a DICOM system and does not relate to
real-time scanning operations, these communications are on a best-efforts basis, where other data on the network may be
given higher priority if there is a bandwidth conflict.
Quality of Service (QoS) – Wireless Ethernet
The wireless Ethernet on the Site~Rite
®
8 Ultrasound System operates as a best-efforts device, as it does not directly
involve or interfere with active scanning. As such, it does not require a formal QoS WLAN. If used on a QoS network, its
transmitted data may receive a lower priority than video or voice that is also transmitted on the same network. The
following table provides recommended metrics to achieve a high level of performance from the Site~Rite
®
8 Ultrasound
System wireless configuration.
Parameter
Specification
Comment
IEEE 802.11 Level
IEEE 802.11b or g or n
Wireless Signal
Rate
11 Mbps (IEEE 802.11b)
54 Mbps (IEEE 802.11g)
150 Mbps (IEEE 802.11n)
Stated maximum for each standard. Data transfer
will be lower and is directly affected by separation
distance between the console and the wireless
access point, network conditions, building layout,
etc.
Distance to Access
Point
< 34 meters
Though the stated maximum may be 150 feet, it is
not usually achievable in hospital settings.
Security type*
WPA2
WEP/WPA-PSK/WPA2-PSK
WPA2 provides better security than former methods.
Encryption Types
AES, TKIP
-
*If
WPA2 Enterprise is required, the Silex
®
Wireless Bridge may be used. Please contact Customer Service at: 1-800-545-0890.
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