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1.9GHz DECT NR+ Antenna & Band Pass Filter

Compact 1.9 GHz Chip Antenna and Bandpass Filter for DECT NR+ and DECT Legacy Wireless Voice Applications

Johanson Technology, a global leader in high-performance RF ceramic components, has introduced a compact and optimized RF front-end solution designed specifically for 1.9 GHz DECT NR+ and DECT legacy wireless systems. This solution includes two precision surface-mount components:

  • P/N 1905AT45A0050001E – a miniature ceramic chip antenna
  • P/N 1905BP18A0050001E – a high-performance band pass filter

Both components are engineered using Low Temperature Co-fired Ceramic (LTCC) and high-Q ceramic filtering technologies to ensure long-term performance stability, reduced layout complexity, and high reliability in RF-intensive applications. This matched antenna-filter combination is optimized for 1880–1930 MHz operation, a band widely adopted in DECT NR+, DECT-2020 NR, and DECT 6.0 wireless voice systems.

Together, the antenna and filter provide consistent impedance matching, high radiation efficiency, and strong out-of-band rejection in compact form factors, which is ideal for embedded DECT wireless modules where board space, signal clarity, and power efficiency are critical.

Optimized for 1.9 GHz Wireless DECT Product Integration

Wireless systems operating in the 1.9 GHz band require components that deliver high detuning resistance and excellent RF efficiency despite PCB constraints or enclosure proximity. P/N 1905AT45A0050001E, the ceramic chip antenna, provides 2.5 dBi peak gain and 78% typical average efficiency, maintaining performance even in compact or mechanically sensitive devices.

P/N 1905BP18A0050001E, the complementary bandpass filter, ensures clean signal integrity by suppressing out-of-band frequencies and harmonics. With insertion loss of ≤ 1.65 dB, and attenuation of ≥ 30 dB at 2.4 GHz and 5.6 GHz, it’s ideal for environments with co-located WiFi, LTE, or Bluetooth signals. This makes it easier to meet FCC, CE, or ETSI compliance during system certification.

Applications

The antenna and filter are suited for a wide range of DECT-based and 1.9 GHz RF applications where reliable performance and minimal tuning are essential:

  • DECT NR+ voice and data modules
  • DECT-2020 NR IoT gateways and smart sensors
  • Legacy DECT 6.0 wireless phones and base stations
  • Smart home DECT access points and security devices
  • Healthcare monitoring systems using DECT
  • Cordless VoIP handsets and communication terminals
  • RF-enabled industrial automation controllers
  • Environmental sensors operating in the 1.9 GHz band

DECT NR+ & DECT Product Types

These components have been successfully integrated or are ideally suited for the following DECT-based product categories:

  • DECT NR+ base stations for residential and enterprise voice
  • Smart home automation hubs using DECT-2020 NR for secure backhaul
  • Industrial IoT controllers and actuators using DECT NR+
  • Medical monitoring devices with DECT for HIPAA-compliant wireless transmission
  • Cordless DECT 6.0 phones in consumer and enterprise systems
  • Secure building access systems using DECT for voice confirmation
  • Wireless intercoms and door entry modules with 1.9 GHz RF
  • Factory floor condition monitoring using DECT NR+ sensors
  • IoT-enabled environmental monitors leveraging DECT-2020 NR

These applications benefit from the antenna’s mechanical flexibility and the filter’s ability to maintain clean spectral performance across changing operating environments and RF congestion.

Design Support and Optimization Services

Johanson Technology offers application engineering support for both components, including:

  • Evaluation boards for accelerated prototype development
  • S-parameter models and CAD footprints for easier integration.
  • Complimentary Layout Review to minimize the number PCB revisions.
  • Antenna Design Services to reduce product development time.

Key Resources