Salto Proximity Contactless RW Card. 4 kbyte plain white card for use with all Salto Proximity Contactless RW Locksets, E-cylinders and Wall readers. Programmable as User or Guest card allowing 2 way data transfer. This larger capacity card will transport a greater amount of blacklisted User details and audit trails and is more suitable for the large or complex installation. Re-programmable. Water resistant & suitable for a non-hostile environment. We can personalise these cards with any design / graphic, using our in-house card printer, for a small extra charge.