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                您當格爾洛前的位置:首頁 > 無線模組產品 > GNSS模組(天線一體化)

                尺寸:29x25MM尺寸 MTK 3339 Flash版本芯片 GPS單模

                GAM-2925A-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 30mA@3.3V

                • NMEA-0183 compliant protocol or custom

                  protocol

                • Operating voltage: 3.0V to 5.0V

                • Operating temperature range:-40to85℃

                • Patch Antenna Size: 18.4x18.4x4mm

                • Module Size: 32x24x8.6mm

                • Communication type: UART/TTL

                • RoHS compliant (Lead-free)


                Parameter

                Specification

                Power Supply

                Supply voltage:  3.0V~5.0V  Typical: 3.3V

                Power Consumption

                Acquisition:  30mA @VCC=3.3V

                Tracking:  20mA @VCC=3.3V

                Standby:  2.0mA @VCC=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

                Typical accuracy: ±10ns

                Time pulse width 100ms


                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: 32.0±0.50 ×24.0±0.50 ×8.60±0.50mm

                Weight: Approx. 9.6g



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