Welcome to GTRA

Based in Bethesda, Maryland, privately held KoolSpan, Inc. provides simple secure connectivity solutions that seamlessly unite mission-critical network devices. KoolSpan's TrustChip® simply and intuitively transforms a standard smartphone, or any computing device, into a secure communication device. A purpose-built crypto processor designed into a standard microSD package, the TrustChip makes security an inherent part of the communication experience-as simple as connectivity itself. KoolSpan's TrustChip delivers a full suite of security services including key management, authentication and encryption. These capabilities are leveraged by application developers and OEMs via the TrustChip Developer Kit.