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GNSS模组
SIMCom presents a small, high performance and reliable GPS module-SIM28ML. This is a standalone L1 frequency GPS module in a SMT type and it is designed with MTK high sensitivity navigation engine, which allows you to achieves the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lowest power consumption.
产品详情
Mechanical data
Dimensions: 10.1*9.7*2.5mm
Weight: 0.5g
Features
Support EASYTM self-generated orbit prediction
Support EPOTM orbit prediction
Support Jamming removing function
Low-noise amplifier has been integrated
Interfaces
Serial interfaces
UART
Digital I/O
GPIO
TIMEMARK (PPS)
Protocols
NMEA
PMTK
Support product
SIM68 EVB KIT with USB V2.0 full speed interface
Electrical data
Power supply
+2.8V ~4.3V
Backup power
+2.0V ~4.3V
Power consumption2,5
-- Acquisition: 17 mA
-- Tracking: 16mA
-- Backup 8uA
Antenna type
Active and Passive
Antenna power
External
Performance data
Receiver type
22 tracking / 66 acquisitionchannel GPS receiver GPS L1, C/A Code
Max. update rate 5Hz
Sensitivity1
Tracking:-165 dBm
Reacquisition:-160 dBm
Cold starts:-148 dBm
Time-To-First-Fix2
Cold starts: 32 s (typical)
Warm starts :3s
Cold starts:<1s
EPO Assist: 13s（CTTFF)
Accuracy
Automatic Position3:2.5m CEP
Speed4:0.1m/s
Operation temperature:-40℃~+85 ℃
Certificate
CE（in plan)
ROHS
REACH
---------------
1.Demonstrated in liberary
2.All SV @ –130 dBm
3.50% 24 hr static, -130dBm
4.50%@ 30m/s
5. @3.3V with a passive antenna
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