ST4955LCBW

LTE
Low-cost BLE Solar Tracker with 1-wire
BLE 5.4 supported
1-wire for temperature sensor
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  • ST4955 series
  • Key
  • Feature
  • Downloads
  • Variable models

  • LTE Cat M1/ NB-IoT/ 2G

  • BLE 5.4 communication

  • 1-wire for temperature sensor

  • Low Battery Alert

  • Extremely low power consumption

  • GNSS- GPS, GLONASS, SBAS Engine, AGPS(*Option)

  • Solar Charging Amount: 40mAh per 1 hour

  • Standby Time (30min. Report/Day) : With Solar Charging - 27hrs with 3hrs charging / Without Solar Charging - 37days with fully charged battery 5.5V

Wireless Communication
  • Network Frequency

    LTE Cat M1/NB-IoT, 2G (only fallback)

  • Frequency

    LTE Cat M1 : B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B27, B28, B66, B85 / LTE Cat NB2 : B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B28, B66, B71, B85 / EGPRS : 850/900/1800/1900MHz

  • Bluetooth

    BLE 5.4 Communication

  • Transmission Protocal

    TCP / UDP

  • WiFi

    N/A

GNSS
  • Receiver Type

    GPS + GLONASS concurrent [GPS L1 C/A, QZSS L1 C/A/S, GLONASS L10F BeiDou B1I/B1C, Galileo E1B/C ] / SBAS : WAAS, EGNOS, MASA, GAGAN

  • (GPS)Location Accuracy

    Accuracy* +/- 2.5m CEP *50%,2D RMS, -130dBm, >6 Sats.

  • Update Rate

    18Hz (Single GNSS) / 5Hz (4 Concurrent GNSS)

  • Cold Start (TTFF)

    <24s

  • Warm Start (TTFF)

    <2s

  • Hot Start (TTFF)

    <1s

  • Tracking Sensitivity

    Tracking -167dBm / Reacquisition -161dBm / Acquisition -149dBm

Physical
  • Dimensions

    96 (W) × 130.9(L) ×39.88(T) mm

  • Weight

    1) 310g (5.2Ah Battery), 2) 360g (7.8Ah Battery), 3) 380g (10.05Ah Battery)

Hardware (Interface)
  • I/O
    (Variable options available)

    External Power for charging with a cable / Ground / 1-Wire For Temperature Sensor

  • LED Indicator

    3 (Network, GPS, Power)

  • Sensor

  • Motion Sensor

    Built-in 3-axis accelerometer

  • User Interface

    Power on/off by magnet

Battery/Power
  • Back-up Battery

    Rechargeable 3.7V, 5.2Ah (*Option:7.8Ah/ 10.05Ah)

  • Battery Autonomy

  • Power Supply

    D.C Input via solar panel and DC 12V Input for Charging

  • Power Consumption

    Active mode : 40~60mA / Deep sleep mode : less than 10uA (without sensors and GPS_BackUp off ) / Deep sleep mode : less than 45uA (GPS_Backup on)

Environmental
  • Dust and Wate r Resistant

    IP67

  • Operating Temperature

    -20°C ~ +60°C (Stop charging at 45°C)

  • Shock and Vibration

  • Certificates

    FCC, PTCRB, IC, CE

 

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