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尺寸:18X18mm MTK ROM版本芯片 GPS单模 带电池

GAM-1818B-MTR


Features


Build on high performance, low-power

           MediaTek MT3337 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: 18.5x18.5x6.8mm

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 (Autonomous)

Cold start:   35s  typ @-130dBm

Warm start :   30s  typ @-130dBm

Hot start :   1s  typ @-130dBm


Horizontal Position

Accuracy (Autonomous)

<2.5m CEP @-130 dBm


Update Rate

1Hz


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


Temperature Range

Normal operation: -40°C ~ +85°C

Storage temperature: -45°C ~ +125°C


Physical Characteristics

Size: 18.5±0.50 ×18.5±0.50 ×6.8±0.50mm

Weight: Approx. 7.8g



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