User's Manual

SiteWERX User Manual WirelessWERX
SiteWERX 1June09 3
2.2 Architecture
The SBS consists of a Bluetooth Module and antenna for Bluetooth operations, and a
LAN module that communicates with the SiteWERX System Controller using Ethernet
or an 802.11 transceiver and antenna. A functional block diagram of the SiteWERX
Base Station is shown in Figure 2
Bluetooth
Module
Input Voltage
3.3 VDC
802.11 Tranceiver or
LAN Interface
Controller & Memory
Transceiver
Controller & Memory
Link with Location Nodes
Development/
Programming Interface
Base Station
Module
Link with System
Controller
Figure 2. SiteWERX Base Station Block Diagram
2.2.1 Bluetooth Module
The Bluetooth Module provides 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