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GPS +BeiDou Module SIM98VB

Dimension: 16*12.2*2.4 mm

Main Feature:  Huada HD8020 platform, low power consumption, high sensitivity, high positioning accuracy

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  • Introduce
  • Details

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



• Support GPS/BD2

• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS, SDCM)

• Low-noise amplifier has been integrated
• Support Jamming removing



• Serial interfaces


• Digital I/O

- EINT0 input

- Pulse-per-second (TIMEMARK)

• Protocols



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


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 ℃



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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