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868/915MHz flexible ISM band antenna

This antenna is perfect for use together with our Lora as well as our SubGHz boards. It is a 43.5mm by 20mm flex PCB antenna with double sided tape on the backside making it perfect for mounting inside of an enclosure. It has been designed specifically to be attached to a plastic wall of around 1.5mm’s to 2.0mm’s thickness. In open air it does not perform as well as when it has been mounted properly.

Specification

Return loss diagrams of antenna mounted on a 2mm thick 15cm x 10cm poly carbonate sheet.

Reference cursor is at 868 MHz

Return loss for the antenna mounted on 2mm poly sheet (868 MHz).

Reference cursor is at 915 MHz

Return loss for the antenna mounted on 2mm poly sheet (915 MHz).
ParameterSpecification
Center Frequency891 MHz
Bandwidth>55 MHz
Antenna Gain3dBi
Impedance50R
Weight 0.001 kg
Dimensions 4.2 × 0.01 × 1.2 cm

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