User's Manual

1
1.1 Product Overview
The Purpletooth® PT-209G/219G Direct Sequence Spread Spectrum (DSSS) Wireless Modem is a
high performance wireless modem. It is designed to provide a long distance, high data rate and
robust platform for applications. It offers data communication capabilities to application equipment
via standard interfaces. Neither additional hardware nor software modification is required in the
application equipment to work with PT-209G/219G. By using a pair of PT-209G/219G modems,
users can transfer data between almost all types of equipment that use asynchronous serial
interfaces. The small size and superior performance of PT-209G/219G make it an ideal solution for
many applications. Typical examples are:

Traffic control
 Remote monitoring
 Telemetry
 Remote camera/robot control
 Mobile video transmission
 Environmental monitoring
 Emergency rescue
 Premises security
 Logistics
PT-209G is the standard version that conforms to the FCC, CE and China SRRC regulations. While
PT-219G is an enhanced version that bears the UL Class 1 Division 2/ATEX Group 2 Category 3
safety classification in addition to the FCC, CE and China SRRC radio approvals.
1.2 Features
Key features of PT-209G/219G:
 Operates in license-free frequency band
 Supports serial data I/O with handshaking and hardware flow controls
 Supports high speed and high throughput data transfers via USB and Ethernet ports
 Provides error-free data connections via built-in CRC-16 error detection and
automatic re-transmission
 Offers high data rate and support long distance
 Adopts the advanced Direct Sequence Spread Spectrum (DSSS) technology to
provide high interference immunity to protect on-air data from signal interferences
and malicious data trappings
 Supports various data applications with efficient communication protocols
 Easy to use, plug-and-play without specific software requirement
1. General
NOTE1:
This manual has been provided as a guide and reference for
installing and using PT-209G/219G
wireless modems. It is assumed that
users of PT-209G/219G modem have
either system integration or
system design experience.