Well, or possibly not if the routers were made outside the US, then first sale may not apply at all (e.g., the 9th Circuit in Costco Wholesale Corporation v. Om

Well, or possibly not if the routers were made outside the US, then first sale may not apply at all (e.g., the 9th Circuit in Costco Wholesale Corporation v. Omega, S.A.). See also the EFF's blog at https://www.eff.org/deeplinks/2012/01/eff-asks-supreme-court-tackle-important-first-sale-questions https://www.eff.org/deeplinks/2012/01/eff-asks-supreme-court...