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Product Introduction

Model：

GPM-DD603/603A

Product Introduction：

Product Description ： 1、MT3339/MT3337； 2、High performance, low power consumption, small size, dimension：17.0mmX22.0mm X 3.0mm； 3、The utility model can be widely used in GPS Positioning Equipment； Product Dimension ： Produc

Product description

Product Description：
1、MT3339/MT3337；
2、High performance, low power consumption, small size,
dimension：17.0mmX22.0mm X 3.0mm；
3、The utility model can be widely used in GPS Positioning Equipment；

Product Dimension：

Product Introduction：

	GPM-DD603		GPM-DD603A
Chip	MediaTek MT3339		MediaTek MT3337
Frequency	GPS: L1 1575.42MHz
Channels	Support 66 channels
Update rate	1Hz default
Sensitivity	Tracking	-165dBm (with external LNA)
	Cold start	-148dBm (with external LNA)
Acquisition	Hot start (Open Sky)	1s (typical)
	Cold Start (Open Sky)	32s (typical)
Position Accuracy	Autonomous	3m CEP(50%)
Limit value	Max. Altitude	< 18,000 m （Max）
	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
	V_BCKP	2.0V~ 4.3V
Supply Current	Acquisition	30mA @3.3V (typical)
Battery Current	VCC=0V	7uA @(typical)
Temperature	Operating Temperature	-40 ~ +85℃
	Storage Temperature	-40 ~ +85℃
Weight	＜2g