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Gigabit Mode B Passive PoE Splitter-Injector Kit | 5.5 x 2.1
Ubiquiti Instant 802.3af Passive PoE to 802.3af Adapter - INS-3AF-I-G
Ubiquiti Instant 802.3af Passive PoE to 802.3af Adapter - 48V DC Input - 24V, 500 mA Output - 1 x 10/100/1000Base-T Input Port (s) - 1 x 10/100/1000Base-T Output Port (s) - Newegg.com
Tycon Systems 24V Passive PoE to 802.3af/at converter