User's Manual
SiteWERX User Manual WirelessWERX
SiteWERX 1June09
3
2.2 Architecture
The SBS consists of a Bluetooth Module for Bluetooth operations, a Bluetooth
antenna, a LAN module, and Ethernet interface for communications with the
SiteWERX System Controller. A functional block diagram of the SiteWERX Base
Station is shown in Figure 2
Bluetooth
Module
Input Voltage
3.3 VDC
LAN Interface
Controller & Memory
Transceiver
Controller & Memory
Link with Location Nodes
Development/
Programming Interface
Base Station
Module
System Controller
Figure 2. SiteWERX Base Station Block Diagram
2.2.1 Bluetooth Module
The SLN has a CSR BlueCore4-External radio to provide the operating parameters
and protocols required by the Bluetooth 2.0 + EDR Core Specification.
2.2.1.1 Radio Characteristics, Basic Data Rate
Receiver Typical Bluetooth Spec Unit
Sensitivity @ 0.1% BER - 83 ≤ - 70 dBm
Transmitter Typical Bluetooth Spec Unit
Max RF Transmit Power + 4 - 6 to + 4 dBm