User's Guide

4
1.2 Receiver Features
RTAP2U has an antenna connector for GNSS antennas in the front. The power button
is located on the back side, and UBX
1)
, NMEA
2)
data are receivable through the USB
port.
GNSS
Antenna
Connector
LED
Power
USB
Four LEDs are visible on the top and provide Wi-Fi, Positioning, GPS, and Power
status.
•
Wi-Fi ( )
: Wi-Fi connection
Positioning• ( ): GPS positioning type
GPS• ( ): Satellite signal
Power• ( ): On and off
1) UBX: u-blox module raw data protocol
2) NMEA: National Marine Electronics Association, a standard data format that includes the time, location,
and more from the GNSS device
LED Receiver Status
Wi-Fi
Red: Wi-Fi network connection error
Yellow: Connected to the internal Wi-Fi network but not an external
Wi-Fi network
Green: Connected to the internal and external Wi-Fi network
Positioning
Red: Standalone
Yellow: DGPS
Green blink: RTK-Float
Green solid: RTK-Fix
GPS Green: Receiving satellite signals
Power Green: Power on