Amazon.com: PPJ 12V AC Adapter for D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router Power Supply Cord Cable PS Wall Home Charger Mains PSU : Electronics
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D-Link DSL-2740B review: D-Link DSL-2740B - CNET
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OpenWrt Wiki] D-Link DSL-2740B/DSL-2741B
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KONKIN BOO Compatible 12V AC / DC Adapter Replacement for D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router Power Supply Cord Cable Wall Charger Mains PSU - Walmart.com