●Compatible with Bluetooth serial port profile (SPP) completely.
●44 parallel satellite-tracking channels for fast acquisition and reacquisition.
●Support NMEA0183 V3.01 data protocol.
●Built-in 1000mAh Lithium-polymer battery inside makes BT GPS Receiver BT-5721 continue work to 8hr.

Fast Acquisition Enhanced Sensitivity 44 Channel GPS Dongle GPS Receiver.
The UD-731 is a compact all-in-one GPS receiver that continuously tracks all satellites in view and provides accurate satellite positioning data.

FEATURES
●Capability of navigation
●Record history, point of interesting and the place you have been
Show the real time, the distance to destination and the alarm when over speed
●Provides bearing information while standing still, always pointing you in the general direction
●Mapping software and receiver built inside
●50 parallel channels GPS receiver
●USB Interface
●Memory size 2G/4G, for data storage (both map and GPS data)
●Industry-leading TTFF speed
●SBAS: WAAS, EGNOS, MSAS, GAGAN
●Signal detection better than -160dBm
●Cold start < 29 seconds
●Hot start < 1 second
●Accuracy 2.5m CEP
●Easy-plug –in Notebook
●SIZE:83.5 mm L x 23 mm W x 10.5 mm H
●RoHS compliance

FEATURES
●16 parallel channels GPS receiver
●-155dBm tracking sensitivity
●6 pins wafer connector RS 232 output
●Selectable User Profiles with ability to change and save configuration to Flash (For GT-3321 F only)

FEATURES
●SiRF Star III GPS chipset
●20 channel architecture
●200,000+ effective correlates for very fast TTFF and high sensitivity
acquisition
●High sensitivity -159 dBm
●SBAS (WAAS/MSAS/EGNOS) support

FEATURES
●44 parallel channels GPS receiver
●6 pins wafer connector RS 232 output
●-158dBm tracking sensitivity
●Selectable User Profiles with ability to change and save configuration to Flash

FEATURES
●44 parallel channels GPS receiver
●-158dBm tracking sensitivity
●Easy-plug-in Notebook
●USB output