I.B.M. offers an even higher standard for these applications through an optional plug-in adapter called 8514A.

An optional adapter allowed the attachment of one IBM 1053 printer which was shared by all displays attached to the 2848.

The receiver, which primarily covered medium and short wave bands, could be expanded to cover two VHF ranges with an optional, internal adapter.

An optional panoramic adapter allows 24x54 mm images to be captured on 35 mm film.

Both also support an optional adapter for wireless printing from a Bluetooth-enabled PC, organizer or cellphone.

Seems it takes 2 AA batteries or an optional adapter, which appears to be unmentioned on the site.

When you're in an outlet-free zone - on safari, say - an optional $40 adapter lets you recharge it with AA batteries.

An optional adapter lets the camera function with other lenses intended for view-camera use.

For programs like Maya that support quad-buffered stereo, a 3D output is available via an optional adapter.

An optional adapter ($60) brings in XM Radio, the digital satellite service, which requires a subscription.