NL3333 >> Product at glance

The NAVIA NL3333 new navigation receiver is made in an original form factor of 8.7 x 9.5 mm based on a MediaTek MT3333 chipset. In comparison with previous NAVIA modules, NL3333 dimensions are scaled down, and the power consumption is significantly reduced. At the same time, the price remains at a reasonable level.

Relative to other NAVIA modules, NL3333 features a more flexible power management scheme. The power control of the active antenna is brought to a dedicated pin. It allows saving place on the customer’s PCB when using the passive antenna or to put a necessary RF decoupling (inductance) on the board when the active antenna is necessary.

The receiver utilizes the full range of GNSS of systems: GPS, GLONASS, Galileo, QZSS and, in the future, BeiDou. NL3333 has the advantage of high sensitivity, low energy consumption, and fast time to the first fix (TTFF). The module includes a 12-staged noise suppression system. The supply voltage of the module is 2.8 – 4.2 Volts, which allows using it successfully in any device powered from LiPo batteries. The receiver communicates with consumer equipment through the UART using the NMEA protocol.

 

Technical Features:

 

Chipset MTK MT3333
Working frequencies GPS L1: 1575.42 MHz
GLONASS L1: 1598.0625~1605.375 MHz
GALILEO E1: 1575.42 MHz
Power consumption @ 3.3V and 1 Hz update rate GPS+GLONASS GPS alone
Acquisition 22 mA 19 mA
Tracking 18 mA 14 mA
Sensitivity Cold start (autonomous Acquisition): -148 dBm
Re-acqisition: -163 dBm
Tracking: -165 dBm
TTFF (time to the first fix) Hot start: 1 sec
Warm start: 22 sec
Cold start: 25 sec
Horizontal Position Accuracy Without corrections 3.0 m
With DGPS SBAS (WAAS, EGNOS, MSAS) 2.5 m
Update rate (NMEA) Up to 10 Hz (step 1 Hz)
UART ratings 4800/9600/…/115200 baud
AGPS (EPO) Supported
Functions EASY, Always Locate, EPO/HotStill
Power supply voltages VCC: 2.8 V … 4.3 V

VBACKUP: 2.0 V… 4.3 V

Supported antennas Passive (patch, chip etc)
Active
BackupCurrent @ 3V 7 uA
Dimensions 8.7 x 9.5 x 2.0 mm, SMD package
Operating temperature -40 °C … +85 °C
Antenna input ESD protection IEC 61000-4-2 level III

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