User's Manual

of sight is available, up to 7 m distance between them. The communication
•
Packet error rate of <1%
84
Clinician’s Guide
Locations and
Ranges
The patient programmer and EPT communicate when an object-free line
range will be shortened if conductive objects, such as metal or the human
body, are in the communication path between the patient programmer and
EPT. The patient programmer alerts visually when loss of communication
with the registered EPT occurs. Intermittent RF communication may also
cause some delay in user-controlled operations.
Minimum
Quality of
Service
• Delay in delivery of RF command of <1 second
Bluetooth Specifications
Bluetooth Type
Class 2, Bluetooth v2.0
Frequency
2400 MHz to 2483.5 MHz (2.4 GHz Industrial Scientific Medical Band)
Modulation
Scheme
(automatically
selected)
GFSK, pi/4-DQPSK, 8-DPSK
Maximum Data
Rate
3 Mb/s
Maximum
Power
4 dBm (2.5 mW)
Maximum
Range
10 m
HP PDA iPAQ 210,
Maximum
Power
-3 dBm (0.5 mW)
Encryption
8 to128 bit encryption key
HP bt500 Bluetooth USB 2.0 Wireless Adapter
Maximum
Power
4 dBm (2.5 mW)
Encryption
8 to 128 bit encryption key