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GNSS

  • SIM39EA
SIM39EA

SIM39EA

SIMCom presents a high performance GPS antenna module - SIM39EA. This is a standalone L1 frequency GPS module include an embedded patch antenna on it. Designed with MTK’s high sensitivity navigation engine, it allows you to achieves the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lowest power consumption. And with embedded antenna in SMT type, it is very easy to do customer application.

Mechanical data

• Dimensions: 16*16*6.2mm
• Weight: 5.8g

Features

• Support EASYTM self-generated orbit prediction
• Support EPOTM orbit prediction
• Support AGPS
• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)

Interfaces

• Serial interfaces
- UART
• Digital I/O
- TIMEMARK(PPS)
- 3D-FIX
• Protocols
- NMEA
- PMTK

Support evaluation products

• SIM68 EVB KIT with USB V2.0 full speed interface

Electrical data

• Power supply: +2.8V ~4.3V
• Backup power: +2.3V ~4.3V
• Power  consumption2    3.3V (typical)
- Acquisition: 23mA
- Tracking: 17mA
- Sleep: 200μA

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: -147dBm
• Time-To-First-Fix2
- Cold starts: 31s(typical)
- Warm starts: 30s
- Hot starts: <1s
- EPO Assist: 13s(CTTFF)
• Accuracy
- Automatic Position3: 2.5m CEP
- Speed4: 0.1m/s
• Operation temperature: -40℃~+85 ℃
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