GNSS模组
SIMCom presents a high performance and reliable GNSS module-SIM68MB. This is a standalone GPS L1 frequency and BD2 GNSS module in a SMT type with MTK’s high sensitivity navigation engine, which allows customer to achieve industry’s high level sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lower power consumption.

产品详情
Mechanical data
?Dimensions: 10.1*9.7*2.5mm
?Weight: 0.5g

Features
?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
?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:-165 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:<2.5m CEP
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: 25mA
Tracking: 18mA
AlwaysLocateTM: 340uA
Backup 14uA
?Antenna type Active and passive
?Antenna power External or internal VCC_RF

Approvals
?ROHS
?REACH

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1.Demonstrated in lab
2.All SV @ –130 dBm, GPS&BD2 mode
3.50% 24 hr static, -130dBm,GPS&BD2mode
4.50%@ 30m/s
5.When at -40℃~ -30℃,the sensitivity will be somewhat worse
6. @2.8V