LTE-M / GNSS pager
LTEM / GNSS Pager for Security Organisations
- Client: HK System in Germany
- Website: https://hk.digital
- IoT application: Alerting fire brigades and security organisations via LTE-M and GNSS
- Employed radio technology: LTE-M, GNSS
- Frequency range: LTE (Band 20, 8, 3) and GNSS (L1)
- Types of antennas: Separate antennas for LTE Band 20/8 and Band 3 with diplexer
- Task: Optimisation of antenna performance for existing pager
- Solution: Integration of separate antennas with diplexer for different LTE bands
- Special feature: Perfect reception for LTE and GNSS through innovative antenna configuration
HK System has developed a state-of-the-art LTEM / GNSS pager used by German authorities and organisations with security responsibilities. The pager uses a dual SIM card for reliable alerting, particularly for fire brigade operations. The innovative antenna solution of this pager is characterised by a special design. Instead of a broadband antenna, separate antennas for different LTE bands were implemented. One antenna covers LTE bands 20 and 8 in the sub-GHz range, whilst a second is optimised for band 3 at 1800 MHz. A diplexer combines the signals from both antennas, allowing efficient use of the available space. This configuration results in excellent reception quality for both LTE and GNSS signals. The separation of antennas for different frequency ranges allows optimal tuning to the respective band characteristics, significantly improving the overall performance of the pager.
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