Chapter 6: Performance Issues; Latency; Usage Environments - Palm Bluetooth Card Handbook

Palm bluetooth card pda-accessory: hardware guide

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This chapter describes issues affecting the performance of the Palm™ Bluetooth

Card on your handheld, including the following:

Power management

Latency

Latency is the amount of time required to establish a connection to a remote device

or devices. Latency rates for the Bluetooth Card are as follows:

Discovering one or more unknown devices requires ten seconds or more to

discover all devices within range. An additional two seconds or more is

required to retrieve any device name that is not already stored in the cache.

Connection time to a device the user has previously discovered (selected from

the cache) will be one second or less.

NOTE

device within range. See

Usage environments

Environmental parameters affecting use of the Bluetooth Card are as follows:

Distance between devices is 10 meters (approximately 30 feet)

Depending on the specific environment, walls, floors, ceilings, or briefcases

may limit or prevent communication between devices

You may need to perform the discovery process several times to discover a

Chapter 3

Performance Issues

for more information.

CHAPTER 6

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