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Ultrasonic Eavesdropper PCB [01208061] PCB for the Ultrasonic Eavesdropper. Double-sided PCB with plated through holes, solder mask and silkscreen overlay. 122 x 57mm. Cat No SC0861. Price: AUD $10.00 1 In stock: yes (2 available). Estimated dispatch time: 1-3 days Related to: Project: An Ultrasonic Eavesdropper (August 2006 [print issue] [online issue]) Other items relevant to this project: MC1496P double-balanced mixer IC (DIP-14) ($2.50) PCB pattern for the Ultrasonic Eavesdropper (PDF download) [01208061] (Free) Ultrasonic Eavesdropper front panel artwork (PDF download) (Free)