GPS2IP and TAIPTrimble ASCII Interface Protocol
Use GPS2IP on your iPhone/iPad as a GPS;
transmit TAIP protocol data
Trimble ASCII Interface Protocol (TAIP) is a Trimble-specified digital communication interface based on printable ASCII characters
over a serial data link.
TAIP was designed specifically for vehicle tracking applications but has become common in a number of other applications because of its ease of use.
TAIP Reference Document
Here you have the choice between NMEA and TAIP modes.
Depending on this selection, the messages that you can select to send change.
Choose the message(s) appropriate for your requirements.
Either, or both can be enabled.
You can optionally enable Send in one transmission.
To send messages that meet the TAIP specification, select the TAIP UDP Server connection Method.
You can configure the server information by pressing the button