This is a brand new Alltel KPC680 without service. You should only be buying this if you have an existing Alltel EVDO data service contract. After receiving the KPC680, you will need to contact Alltel and do an ESN swap from your old device to new device's ESN. NOTE: This device can ONLY be activated on an Alltel account.

Kyocera’s KPC680 continues to ensure optimal performance. The peak data download speed is up to 3.1 Mbps and peak upload speeds are up to 1.8 Mbps. The new design features dual external antenna ports for signal flexibility.

Specifications:

Form Factor: Express
Compatible with Windows XP, Vista (32-bit)
1xRTT/EVDO Rev 0 and Rev A capable
Domestic Frequency - CDMA 800/1900MHz
High speed wireless connections up to 3.1 Mbps
Size: 4.8" x 2.1" x 0.5"
Weight: 1.94 oz

The Alltel Kyocera KPC680 is compatible with 3 Cradlepoint Routers to share the connection with multiple computers. Can't decide which router is best? Read this article: Which 3G router is best for me?

Several antennas are available to improve your Alltel signal.

Antenna Port Location

Remove the plastic cover and connect your antenna to PORT 1

Tips For Using Your Antenna/Adapter Cable:

Be GENTLE when connecting or disconnecting the adapter cable to/from your modem - the connector pins and the ports themselves can be VERY FRAGILE!!!
If the adapter cable feels loose when you connect it to the antenna port, remove it and roll it between your thumb and forefinger while applying medium pressure. The friction and pressure will cause the connectors' "teeth" to tighten up, allowing it to fit more snugly in your device's antenna port.
If you're using a magnetic mount antenna, make sure it is connected to something magnetic or it will not work! If you're using an antenna that included radials, make sure the radials are screwed on or it will not be as effective! (other antennas do not require grounding)

Already have an antenna/amplifier and just need the adapter cable?