产品描述：高灵敏SIM68VB GNSS精准定位导航模块模组
SIMCom推出了一款高性能、高可靠性的GNSS模块——sim 68 VB。这是一个独立的GPS L1频率和BD2 GNSS模块，采用MTK的高灵敏度导航引擎，允许客户以更低的功耗实现行业高水平的灵敏度、精确度和首ci定位时间(TTFF)。
Mechanical data
•Dimensions: 16*12.2*2.4mm
•Weight: 1g
Features：高灵敏SIM68VB GNSS精准定位导航模块模组
•Support GPS/BD2
•Support EASYTM self-generated orbit prediction
•Support EPOTM orbit prediction
•Support SBAS ranging (WAAS, EGNOS, GAGAN,MSAS)
•Support DGPS (RTCM)
•Support Jamming Removing
•Low-noise amplifier has been integrated
Interfaces
•Serial interfaces UART, SPI / I²C
•Digital I/O EINT0 input
Pulse-per-second (PPS)
•Protocols NMEA
PMTK
PSIM
Support product
•SIM68 EVB KIT with USB V2.0 full speed interface
Performance data
•Receiver type
33tracking/99 acquisitionchannel GNSS receiver
•Max. update rate 10Hz
•Sensitivity1
Tracking:167 dBm
Reacquisition:-160 dBm
Cold starts:-148 dBm
•Time-To-First-Fix2
Cold starts:28 s
Warm start:26 s
Hot starts:<1s
EPO Assist:13s（CTTFF)
• Accuracy
Automatic Position3:
Speed4:0.1m/s
•Operation temperature5: -40℃~+85 ℃
Electrical data
•Power supply: 2.8V~4.3V
•Backup power: 2.3V~4.6V
•Power consumption2,6
Acquisition: 34mA
Tracking: 30mA
AlwaysLocateTM: 340uA
Backup: 14uA
•Antenna type Active and passive
•Antenna power External or internal VCC_RF
