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Product Introduction

Model：

GBM-DD203

Product Introduction：

Product Description ： 1、MediaTek MT3333； 2、High performance, low power consumption, small size, dimension：17.0mmX22.0mmX3.0mm； 3、The utility model can be widely used in Beidou Positioning Equipment； Product Dimension ： Pro

Product description

Product Description：
1、MediaTek MT3333；
2、High performance, low power consumption, small size,
dimension：17.0mmX22.0mmX3.0mm；
3、The utility model can be widely used in Beidou Positioning Equipment；

Product Dimension：

Product Introduction：

Chip	MediaTek MT3333
Frequency	GPS : L1 1575.42MHz,BD2: B1 1561.098MHz
Channels	Support 99 channels (33 Tracking, 99 Acquisition)
Update rate	1Hz default
Sensitivity	Tracking	-162dBm, up to -165dBm (with external LNA)
Sensitivity	Cold start	-143.5dBm, up to -148dBm (with external LNA)
Acquisition	Hot start (Open Sky)	1s (typical)
Acquisition	Cold Start (Open Sky)	33s (typical)
Position Accuracy	Autonomous	3m CEP(50%)
Limit value	Max. Altitude	< 18,000 m （Max）
Limit value	Max. Velocity	< 515 m/s （Max）
Protocol Support	NMEA 0183	9600 bps, 8 data bits, no parity, 1 stop bits (default) 1Hz: GGA, GLL, GSA, RMC, VTG
Input Voltage	VCC	3.3±0.3V
Input Voltage	V_BCKP	2.0V~ 4.3V
Supply Current	Acquisition	40mA @3.3V (typical)
Battery Current	VCC=0V	15uA @(typical)
Temperature	Operating Temperature	-40 ~ +85℃
Temperature	Storage Temperature	-40 ~ +85℃
Weight	＜2g