Technical information

Technical Description
SIMpad SL4
Version V2.0
Siemens AG 16/74
ICM CP 20.08.01, David Brunner
3.3 Bluetooth (optional)
The SIMpad SL4 may communicate with other Bluetooth products, if the appropriate
Bluetooth-PC-Card is used and the driver software is running on the SIMpad operating
system (see 5.1.1).
Bluetooth
Standard IEEE 802.15
Frequency 2.4GHz (ISM)
Bandwidth
• 720kbps / 57kbps (asymmetrical)
• 430kbps (symmetrical)
Range
• About 10m indoor
• About 100m with internal amplifier
Type of communication
• Wireless ad hoc network
• Point-to-point
• Packet switched
Roaming no
Hand over no
Module Bluetooth-PC-Card
Driver software Download of specific driver software for CE3.0 for
StrongARM required
3.4 GSM/HSCSD (optional)
The SIMpad SL4 can establish a GSM data link with an appropriate GSM-phone card
(PC-Card) and the driver software running on the SIMpad operating system (see
5.1.1).
Another possibility is to use a GSM mobile phone connected to the SIMpad SL4 via
IrDA link or serial link.
HSCSD allows the channel bundling of up to 4 GSM time slots. This gives a maximum
bandwidth of approximately 40kbps.
GSM
Standard GSM or HSCSD
Frequency 900MHz / 1800MHz
Bandwidth About 10kbps (GSM), up to about 40kbps
(HSCSD)
Range GSM network
Type of communication
• Point-to-point connection
• Always on
Roaming yes
Hand over yes
Module
• GSM- or HSCSD-PC-Card
• GSM-/HSCSD mobile phone via IrDA
• GSM-/HSCSD mobile phone via Bluetooth to
Bluetooth PC-Card
Driver software Download of specific driver software for CE3.0 for
StrongARM required