Ubee U10C018

Overview
"K13C013", "REV:1.. GP 19.1971", and a date code of 0733
 * is silkscreened on one U10C018's (U10C018.43) board.


 * Ambit (Ubee) U10C018.80 Cable Modem Teardown on e360°
 * Modem: Broadcom BCM3349KFBG (Single-Chip, QAMLink, DOCSIS 2.0)
 * Tuner: Broadcom BCM3421KML (Single-Chip, Cable TV, DOCSIS 2.0)
 * Flash: Macronix MX25L1605AM2C-15G (NOR, 16Mb, SPI, 85MHz)
 * RAM: Samsung K4S641632K-UC75 (SDRAM 64Mb, 133MHz, 3.3V)
 * PSU: Ault, Inc. P48121000A060G - External Power Supply (12V/1A)


 * uBee Ambit U10C018 DOCSIS 2.0 Cable Modem on Amazon
 * OUI: 88:9F:FA (Label image)

Serial Pinouts
seems to be the following... (...) (RxD) (3.3) (TxD) (GND) J353