LoRaWAN PCB antenna
LoRaWAN PCB Antenna Key Data
- Client: Anonymous in Europe
- Website: –
- IoT application: Universal LoRaWAN sensor for Europe and USA
- Employed radio technology: LoRaWAN
- Frequency range: 868, 915 MHz
- Type of antenna: Inverted F-antenna with capacitive switching
- Task: Range improvement and coverage of both frequency bands
- Solution: L-antenna replaced by inverted F-antenna with switching
- Special feature: One sensor now covers Europe and USA
European client sought a solution for their LoRaWAN sensor. The device needed to work in Europe and the USA. The L-antenna was not good enough. We developed an inverted F-antenna with capacitive switching. It offers:
- Greater range
- Coverage of 868 MHz (Europe) and 915 MHz (USA)
- Automatic frequency adjustment
Technical details:
- The inverted F-antenna uses the circuit board as a counterpoise. This increases efficiency.
- The capacitive switching adjusts the resonance frequency. One antenna covers both bands.
- The compact design fits into small enclosures.
The solution convinces through:
- Cost savings: One sensor instead of two variants
- Significantly improved range
- Global usability
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