The following table shows the features included in Free, Silver and Gold  versions. Please use this as a guide to determine which version is more suitable for you.

Features

Supported Communication channels for Simulation      
COM Port Simulation      
Different Port Configuration
Data Sending on COM Port (RS232)
Data Receiving on COM Port (RS232)
Data Sending in loop with interval settings
Data Sending and Receiving simultaneously
File Sending and Receiving  in a loop in COM Port
Network Simulation      
Simulation as TCP/IP Client
Simulation as TCP/IP Server
20 numbers of clients supported by server
Simulation as TCP/IP Client and Server at same time
Data sending in a loop with interval period setting
Bridging      
COM Port (RS-232) to Network bridging
Network to COM Port (RS-232) bridging
Input Modes for GPS Device Simulation      
None Input Mode      
RAW Data sending with or without CR
File sending
NMEA Map Input Mode      
Longitude - Latitude generation by location selection from world map
$GPGGA, $GPGLL, $GPRMC and $GPWPL NMEA generation
Manual Position entry to generate NMEA
Auto positioning and auto NMEA generation in a loop
System UTC Time and Manual UTC Time generation support
NMEA Manual Input Mode      
NMEA generation by manual data input
Supported sentences - $GPAAM, $GPGSA, $GPZDA, $GPRRTE, $GPGSV and $GPVTG
Waypoint settings for $GPRTE
Satellite settings for $GPGSA and $GPGSV
System UTC Time and Manual UTC Time generation support
Log files Playback Input Mode      
Ability to load, parse and send NMEA Sentence from NMEA Logfiles
Period setting for parsed NMEA sentence sending
Real Time Stamping support for $GPGGA, $GPLL, $GPRMC and $GPZDA parsed from Logfile
Logging ability for data sent
Logging ability for received NMEA Sentences
Logging ability for Parsed NMEA sentences received
Received Data View and Location Tracking from GPS Device Simulation      
GPS Tracer      
Location tracking and drawing on World Map according to received positions
Received Longitude and Latitude Display
Received Data View      
Received raw data view on Simulator Text Boxes
Received NMEA sentences view on Simulator
Recevied Parsed NMEA sentences values view on Simulator
Real Time Received NMEA Sentences (RAW/Parsed) View on separate window