2gig UPCBL2 Firmware Update Cable for TS1 (Black) Firmware update cable Quickly and easily update the Go!Control panel and TS1 keypad without incurring the OTA update charges from Alarm.com Connect a PC directly to a Go!Control using the Firmware Update Cable to update the Go!Control panel and TS1 keypad to the latest firmware All 2Gig product requires a 2Gig GO!Control panel and a subscription to alarm.com for full functionality 2Gig products are intended for professional installation only