特征

Mechanical data • Dimensions: 16*12.2*2.4mm • Weight: 1g   Features • Support EASYTM self-generated orbit prediction • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS) • Support EPOTM orbit prediction • Support Jamming removing function • Low-noise amplifier has been integrated   Interfaces • Serial interfaces - UART - SPI/I2C  • Digital I/O - TIMEMARK output  - EINT0 input  - GPIO  • Protocols - NMEA - PMTK    Support evaluation products • SIM28-TE • SIM28EVB KIT with USB V2.0 full speed interface   Electrical data • Power supply: +2.8V ~4.3V • Backup power: +2.3V ~4.3V • Power consumption2,5  - Acquisition: 24mA - Tracking: 19mA - Standby mode: <200μA • Antenna type: Active and Passive • Antenna power - External or internal - VCC_RF

Performance data • Receiver type             22 tracking / 66 acquisition- channel GPS receiver             GPS L1, C/A Code • Max.update rate: 10Hz • Sensitivity1 - Tracking: -165dBm - Reacquisition: -160dBm - Cold starts: -147 dBm  • Time-To-First-Fix2 - Cold starts with EASY: 13s - Warm starts with EASY: 1~2s  - Cold starts: 32s  - Cold starts with EPO Assist: 12.5s  - Hot starts: <1s  • Accuracy - Automatic Position3: 2.5m CEP - Speed4: 0.1m/s  - Timing: 10ns  • Operation temperature: -40℃~+85 ℃   Certifications • CE • Rohs • REACH             ————————————————————— 1.Demonstrated with a good active antenna 2.All SV @ –130 dBm 3.50% 24 hr static, -130dBm 4.50%@ 30m/s 5.@3.3V with a passive antenna