High-Performance Dual-Band L1/L5 GNSS Smart Antenna Module for Compact OEM Applications

Ultra-compact 14x9.6mm embedded antenna module with multi-constellation tracking, hybrid ephemeris prediction, and direct lithium battery power support

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How Can Dual-Band L1/L5 GNSS Technology Improve Fleet Tracking Accuracy and Reliability?

The LS2003H-Vx's concurrent L1/L5 reception across GPS, GLONASS, GALILEO, and BEIDOU provides superior positioning accuracy and signal resilience in challenging urban environments where fleet vehicles operate. With 135-channel tracking, fast TTFF under 15 seconds via hybrid ephemeris prediction, and smart jammer suppression, your fleet management systems gain consistent sub-meter accuracy and uninterrupted tracking. The ultra-compact 14x9.6mm footprint and low 38mA power consumption enable seamless integration into compact tracking devices. Contact our technical team to receive detailed integration specifications and performance validation data for your fleet tracking application.

Advanced hybrid ephemeris prediction technology sets the LS2003H-Vx apart, offering both self-generated EASY prediction (valid for 3 days without network assistance) and server-generated EPO prediction (valid for 14 days), both stored in on-board flash memory to achieve cold start times under 15 seconds. Supporting 135-channel GNSS reception with SBAS compatibility (WAAS, EGNOS, MSAS, GAGAN) and QZSS SLAS, these modules feature smart jammer detection and suppression alongside ±10ns high-accuracy time pulse output. With direct lithium battery power capability (3.1V-4.5V input) and power consumption as low as 38mA in the V3 variant, the LS2003H-Vx series delivers optimal performance for fleet management, automotive navigation, handheld devices, wearables, and tracking applications where space constraints and power efficiency are critical.

LS2003H-Vx

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LS2003H-Vx

LS2003H-Vx series products are high-performance dual-band GNSS smart antenna modules, including an embedded antenna and GNSS receiver circuits, designed for a broad spectrum of OEM system applications.
LS2003H-Vx series products are high-performance dual-band GNSS smart antenna modules, including an embedded antenna and GNSS receiver circuits, designed for a broad spectrum of OEM system applications.

LS2003H-Vx series products are high-performance dual-band GNSS smart antenna modules, including an embedded antenna and GNSS receiver circuits, designed for a broad spectrum of OEM system applications. The GNSS smart antenna will acquire both L1 and L5 signals at a time while providing the better standalone position accuracy. It can provide you with fast Time-To-First-Fix, superior sensitivity and low power consumption.

The modules support hybrid ephemeris prediction to achieve faster cold start. One is self-generated ephemeris prediction (called EASY) that is no need of both network assistance and host CPU’s intervention. This is valid for up to 3 days and updates automatically from time to time when GNSS module is powered on and satellites are available. The other is server-generated ephemeris prediction (called EPO) that gets from an internet server. This is valid for up to 14 days. Both ephemeris predictions are stored in the on-board flash memory and perform a cold start time less than 15 seconds.
Because of the built-in chip antenna, it is easy to install without both RF connector and coaxial cable that are needed in a separated GNSS active antenna. In other words, reduce the cost and size. Also, speed up the time to market by eliminating R&D efforts on RF matching and stability between separated GNSS antenna and module. If the external antenna is required, users can add some external components to achieve the function of automatically switching between the built-in GNSS chip antenna and the external antenna. Furthermore, it can be directly powered by a lithium battery without any external voltage regulars. Therefore, LS2003H-Vx of tiny size and brilliant performance is the best choice to be integrated into your slim devices.

Features

  • Tiny size: 14 x 9.6 x 2 mm
  • Concurrent reception of L1 and L5 band signals
  • Support GPS, GLONASS, BEIDOU, GALILEO, QZSS and IRNSS (NavIC)
  • Capable of SBAS (WAAS, EGNOS, MSAS, GAGAN) and QZSS SLAS
  • Support 135-channel GNSS
  • Fast TTFF at low signal level
  • Free hybrid ephemeris prediction to achieve faster cold start
  • Smart jammer detection and suppression
  • ±10ns high accuracy time pulse (PPS)
  • SMD type with stamp holes; RoHS compliant

Specification

 LS2003H-V2LS2003H-V3
MemoryFlash
Satellite SystemGPS + QZSS + GALILEO + GLONASS + BEIDOUGPS + QZSS + GALILEO + GLONASS + BEIDOU+IRNSS
InterfaceUART
Input Voltage3.1V - 4.5V
Power(mA)60mA38mA
Operating Temp (°C)-40 ~ 85
Dimension (mm)14 x 9.6 x 2 mm

Applications

  • Personal positioning and navigation
  • Automotive navigation
  • Fleet management
  • Hand-Held and wearable Device
  • Tracker

                  

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Press Release

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