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尺寸:18X18mm MTK FLASH版本芯片 GPS单模

GAM-1818-MT


Features


Build on high performance, low-power

           MediaTek MT3339 chip set

Ultra high Track sensitivity: -165dBm

Extremely fast TTFF at low signal level

Built in high gain LNA

Low power consumption: Max 28mA@3.3V

NMEA-0183 compliant protocol or custom

           protocol

Operating voltage: 2.8V to 4.3V

Operating temperature range:-40to85℃

Patch Antenna Size: 18x18x4mm

Module Size: 18.1x18.2x6.81mm

Communication type: UART/TTL

RoHS compliant (Lead-free)



Parameter

Specification

Power Supply

Supply voltage:  2.8V~4.3V  Typical: 3.3V

Power Consumption

Acquisition:  28mA @VCC=VBAT=3.3V

Tracking:  20mA @VCC=VBAT=3.3V

Standby:  1.0mA @VCC=VBAT=3.3V

Backup:  15uA @VBAT=3.3V

Receiver Type

Code 66 search channels, GPS&QZSS L1 1575.42MHz C/A

22 simultan ous tracking channels

Sensitivity

Tracking:   -165dBm

Re-acquisition:   -156dBm

Acquisition:   -148dBm


TTFF (EASY enabled)

Cold start:   15s  typ @-130dBm

Warm start:   5s  typ @-130dBm

Hot start :   1s  typ @-130dBm


TTFF (EASY disabled)

Cold start(Autonomous):   35s  typ @-130dBm

Warm start (Autonomous):   30s  typ @-130dBm

Hot start (Autonomous):   1s  typ @-130dBm


Horizontal Position

Accuracy (Autonomous)

<2.5m CEP @-130 dBm


Max Update Rate

Up to 10Hz,1Hz by fault


Accuracy of 1PPS Signal

not enabled


Acceleration Accuracy

Without aid: 0.1m/s2


Dynamic Performance

Maximum altitude: 18,000m

Maximum velocity: 515m/s

Acceleration: 4G


UART Port

UART Port: TXD and RXD

Supports baud rate from 4800bps to 115200bps, 9600bps by default

UART port is used for NMEA output, MTK proprietary

           commands input and firmware upgrade


Temperature Range

Normal operation: -40°C ~ +85°C

Storage temperature: -45°C ~ +125°C


Physical Characteristics

Size: 18.1±0.30 ×18.2±0.30 ×6.81±0.50mm

Weight: Approx. 7.6g




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