SIMCom presents a high performance and reliable GNSS module-SIM98VB. This is a standalone GPS L1 frequency and BD2 GNSS module in a SMT type with HD8020’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.
Mechanical data• Dimensions: 16*12.2*2.4 mm
• Weight: 1g
Features• Support GPS/BD2
• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS, SDCM)
• Low-noise amplifier has been integrated
• Support Jamming removing Interfaces• Serial interfaces
- UART
• Digital I/O
- EINT0 input
- Pulse-per-second (TIMEMARK)
• Protocols
- NMEA
Electrical data• Power supply: +2.8V ~4.5V
• Backup power: +1.6V ~3.6V
• Power consumption2,6
- Acquisition: 58.5mA
- Tracking: 32.5mA
- AlwaysLocateTM: TBD
- Backup: 14μA
• Antenna type: Active and Passive
• Antenna power: External or internal VCC_RF
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Performance data• Receiver type: 48 tracking / 24 acquisition- channel GNSS receiver
• Max.update rate: 5Hz
• Sensitivity1
- Tracking: -162 dBm
- Reacquisition: -157 dBm
- Cold starts: -146 dBm
• Time-To-First-Fix2
- Cold starts: 32s
- Warm starts: 3.3s
- Hot starts: 1.7s
• Accuracy
- Automatic Position3: ＜2.5m CEP
- Speed4: 0.1m/s
• Operation temperature: -40℃~+85 ℃
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1.Demonstrated in liberary
2.All SV @ –130 dBm, GPS mode
3.50% 24 hr static, -130dBm, GPS mode
4.50%@ 30m/s
5.When at -40℃~-30℃, the sensitivity will be somewhat worse
6.@2.8V with a passive antenna
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