transceiver – Experimental Engineering

Cisco 2G Fibre Channel SFP Module

July 8, 2012 The Engineer

Here is a 2Gbit Fibre Channel transceiver from Cisco Systems in SFP module format. Here the shield has been removed from the bottom of the module (it just clips off). The bottom of the PCB can be seen, with the copper interface on the

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Consumer Gear

Southwestern Bell Freedom Phone

December 6, 2010 The Engineer

This is an old cordless landline phone, with dead handset batteries. Here’s the handset with the back removed. Shown is the radio TX/RX board, underneath is the keyboard PCB with the speaker & mic. All the FM radio tuning coils are visible & a LT450GW electromechanical filter. Radio PCB removed

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