Serial Adapter DB9 Male to DB25 Male with Thumbscrews. Use your existing serial or modem cables with this adapter. Whether you need to convert existing DB9 ports to DB25 or vice versa, this is an inexpensive alternative to buying new cables. Molded design providing a solid connection.
Serial Adapter DB9 Female to DB25 Female with Thumbscrews.
Slim Gender Changer DB9 Male to DB9 Female.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.
900 MHz 3 dBi Rubber Duck Antenna - RP-SMA Plug Connector