User's Manual

Boomer II User Manual & Integrator’s Guide ____________________________________________ Integrator’s Task
BM210012WT25 27 Wavenet Technology
Air Interface Protocols
Data exchange protocols transport data between the host device or
terminal and the network. Within the radio portion of the network,
between the device and the base station, specialized RF protocols (RD-
LAP or MDC4800) carry the data. These radio protocols are typically
transparent to wireless applications.
The modem communicates over radio frequency channels using the
RD-LAP 9.6, RD-LAP 19.2, or MDC 4800 protocols and an internal
800, or 900MHz radio to operate over 12.5 or 25kHz RF channels. The
network-specific configuration is constant for all like devices on the
network and includes the channel list and the system ID.
The modem has dual protocol capability on DataTAC 4000 systems in
the United States and Canada. The modem’s RF protocol is based on
the attributes specified by the configured channel list, and dynamic
channel information from the network.
On DataTAC 5000 systems, only the RD-LAP protocol is supported.
The modem performs auto-roaming (that is, auto-scanning, channel
selection, and registration on a new channel). Battery-save operation
(Power Save protocol) is supported within most DataTAC networks.
RD-LAP Network Operation
The RD-LAP 9.6 and 19.2 protocols are used by DataTAC 4000 and
5000 networks. The modem supports both continuously keyed,
multiple channel (MFR) and intermittently keyed, SFR (single
frequency reuse) network configurations, depending on the network
type. The RD-LAP protocol specifications provide the reference RF
protocol link-access procedures supported by the wireless modem.
While on the network, the modem performs auto-roaming and battery-
save (Power Save protocol) functions.
Note: On Motient and Bell Mobility networks the modem operates in
either MDC 4800 mode or RD-LAP 19.2 mode, as provided by local
coverage.
MDC 4800 Network Operation
The MDC 4800 protocol is available exclusively on Motient (United
States) and Bell Mobility (Canada) networks. The modem supports
intermittently keyed, SFR network operation.