The OpenTracker USB is very similar to the OpenTracker 1+ in features, however it has the addition of a USB interface for programming AND interfacing to a computer when in KISS modem mode. Packet decode capability has been improved. It can still function as a full featured APRS tracker, with a GPS connected to it. Supports $GPWPL waypoint out to a mapping capable GPS.
Kit: $40.00 + Shipping --- Part #ROTUSB
Argent Data Systems - SMT OpenTracker 1+
This module has all of the functions of the above OT1+ tracker, but in a micro SMT package. This module is in the form factor of a standard 24 pin DIP module for embedded applications.
