Networking: Cisco

Linksys AE1200 Wireless-N 300 USB Network Adapter.

MGBLH1 GIGABIT LH SFP TRANSCEIVE
easy-to-install Mini-GBIC (or SFP) module
can achieve distances up to 500 meters or 40 kms

GIGABIT SX SFP TRANSCEIVER
easy-to-install
can achieve distances up to 220 or 550 meters

The Cisco ATA 191 Multiplatform Analog Telephone Adapter turns traditional telephone, fax, and overhead paging communications devices into IP devices for greater cost-effectiveness. Customers can take advantage of IP telephony applications by connecting their analog devices to Cisco analog telephone adapters. The ATA 191 is the preferred solution... more to address the needs of customers who connect to enterprise networks, small offices, or unified communications as a service from the cloud. It has two standard FXS ports, which can be configured independently as two Session Initiation Protocol (SIP) registrations.