arrls touchstone tm1602a docsis 3.0 16x4 telephony modem optimum & twc (renewed) arrls amazon renewed is your trusted destination for pre-owned and refurbished products that are inspected and tested to work and look like new. a renewed supplier who is amazon-qualified and performance managed, performs a full diagnostic test, replaces any defective parts, and thoroughly cleans the product. the products will have minimal to no signs of wear, no visible cosmetic imperfections when held 12 inches away, and may arrive in a brown or white box with relevant accessories that may be generic. this product is backed by the amazon renewed guarantee your product is eligible for a replacement or refund within 90 days of receipt if it does not work as expected. get quick support for claims and free troubleshooting via a single point of contact at amazon. the guarantee is in conjunction with amazon’s standard return policy. the touchstone docsis 3.0 16x4 embedded multimedia terminal adaptor (e-mta) tm1602 delivers two lines of primary line voice over ip (voip), ultra-high speed data access, and multiple battery pack options to support telephony service during power outages. designed as an upgradeable solution for advanced users, the tm1602 enables both home and small businesses the speed and performance achievable with a 24x8 bonded channel cable environment along with industry-leading arris voice and battery back-up features. with the tm1602, cable operators can maintain competitive position against vdsl and fiber to the home services by offering subscriber data services as high as 960mbps.