Motorola SURFboard SB5101 Modem and ac adapter only.

Nice, clean. tested ok.

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Features:

DOCSIS 1.1 and 2.0 Certified capable of providing up to 30 Mbps upstream data rate USB and Ethernet connectivity Front panel status LEDs and built-in based diagnostics for easy troubleshooting Compatible with Windows 95, 98, 2000, Me, NT, XP, Mac OS, Linux, and UNIX SPECIFICATIONS (from Motorola spec sheet) Model SB5101 External, independent modem with user interface for status troubleshooting DOCSIS 2.0 USB for Windows 98/2000/XP F-Connector interface USB, Ethernet connectivity Front Panel LED's Input power: 100-240 VAC, 50-60 Hz Ethernet and USB connections bridging 10/100BaseT Ethernet networking Software upgradeable Downstream demodulation: 64 or 256 QAM Downstream maximum data rate: 38 Mbps Downstream bandwidth: 6 MHz Downstream symbol rate: 64 QAM Downstream symbol rate: 256 QAM Downstream operating level range: -15 to +15 dBmV Downstream input impedance: 75 ohms (nominal) Downstream frequency range: 88 to 860 MHz Upstream modulation: 8, 16, 32, 64, 128 QAM or QPSK Upstream maximum data rate: Up to 30 Mbps Upstream bandwidth: 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz Upstream symbol rates: 160, 320, 640, 1280, 2560 and 5120 ksym/s Upstream operating level range: A-TDMA: +8 to+54 dBmV (32QAM, 64QAM), +8 to+55 dBmV (8QAM, 16QAM), +8 to+58 dBmV (QPSK), S-CDMA: +8 to+53 dBmV (all modulations) Upstream output impedance: 75 ohms (nominal) Upstream frequency range: 5 to 42 MHz (edge to edge) Data protocol: TCP/IP Operating temperature: 0 degrees to 40 degrees C Storage temperature: -30 degrees to 80 degrees C Operating humidity: 0 to 95 percent R.H. non-condensing Too.