Rainbow Electronics UC864 - Manual (Page 15)

UC864-E/G Product Description
80281ST10034a Rev. 1 - 08/08/2008
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2.8.4 GPS NMEA
The GPS data stream (NMEA 0183 format) is also available on the pin-out in USB data format.
2.8.5 NMEA sentences
The following GPS sentences are available:
GGA - Global positioning system fix data (provides 3D location and accuracy data)
VTG – Course over ground and ground speed
GSA - GPS DOP and active satellites
RMC - Recommended Minimum Specific GPS Data
GLL - Geographic Latitude and Longitude
2.9 Supply voltage
The external power supply must be connected to VBATT signal and must fulfill the following
requirements:
Nominal operating voltage 3.8 V
Operating voltage range 3.51 V – 4.2 V
NOTE: Operating voltage range must never be exceeded; care must be taken in order to fulfill
min/max voltage requirements.