Check the listing for details. Spider Blocker HID Reader Anti-Tampering Module by Spider Security Products RP40. Condition: New. Listed at 14.98 USD. Spider Blockers protect Card Readers against $19 Hacking Devices (Wiegand and OSDP) - YouTube Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo] Fact: Many hacking modules are being developed that successfully attack vulnerabilities in Physical Access Control Systems. By far, “Man in the Middle” (MitM) modules are the worst of these threats. More potent than social engineering or card cloning, as they: – cannot be feasibly prevented from implantation – are virtually untraceable pre & post deployment – can skim vital info from 1000’s of access cards – can log PIN codes & keystrokes from keypads – can replay data to grant access & unlock doors – are integral into creating ‘perfectly copied’ cards – may disable entire security systems from outside – can host remote access 24/7/365, from anywhere THE SPIDER BLOCKER NEUTRALIZES THESE CRITICAL THREATS – NOW and in the FUTURE. “Backwards-compatible” Ready to protect all existing reader protocols. (Incl. Wiegand & OSDP) “Forward-compatible & Future-proofed” Prepared to safeguard future reader data protocols. "How many will I need?" One Spider Blocker will protect One Reader. (So if you have an Eight Reader system, you will need Eight Blockers.) FREE SHIPPING to Lower 48 US States PayPal/Visa/MC Payments Only Check out more awesome Spider Products @ www.spiderprotect.com