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:24 mA -- Tracking:19mA -- Standby mode:<200μA • Antenna type Active and Passive •Antenna power External or internal VCC_RF | Performance data •Receiver type 22 tracking / 66 acquisitionchannel GPS receiver GPS L1, C/A Code •Max. update rate 10Hz •Sensitivity1 Tracking:-165 dBm Reacquisition:-160 dBm 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 ℃
------------------------------------- 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 |
