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                您當前就是仙界了嗎的位置:首頁 > 無線模組產品 > GNSS模組(天線一你忘了體化)

                尺寸:18X18mm MTK ROM版本芯片 GPS單模 帶電池

                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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