Euroscan had a worldwide installed base of 200,000 recording units, of which approximately 10,000 were wireless subscribers. InSync SoftwareIn 2015, ORBCOMM acquired InSync Software—a provider of Internet of Things (IoT) enterprise solutions and software applications. The acquisition expanded InSync's uniform software platform beyond RFID, cellular and sensor technologies to include satellites. InSync's software enables sensor-driven asset tracking and remote monitoring applications. SkyWave Mobile CommunicationsAlso in 2015 ORBCOMM acquired SkyWave Mobile Communications—an M2M service provider on the Inmarsat global L-band satellite network. The addition of SkyWave's higher bandwidth, lower-latency satellite products and services leverage IsatDataPro (IDP) technology, which is now jointly owned by ORBCOMM and Inmarsat. With the acquisition, SkyWave brought ORBCOMM more than 250,000 subscribers, 400 channel partners, and annualized revenues of over $60 million. WAM TechnologiesIn 2015 ORBCOMM also acquired WAM Technologies LLC (WAM), an affiliate of Mark-It Services, Inc. and provider of remote management and control solutions for ocean transport refrigerated containers and intermodal equipment. With the acquisition of WAM, ORBCOMM's cold chain monitoring solutions now include trailers, railcars, gensets, and sea containers. SkygisticsIn 2016 ORBCOMM acquired Skygistics (Pty) Ltd. and its South African and Australian subsidiaries. Skygistics provides satellite and cellular connectivity options as well as telematics solutions and adds distribution for ORBCOMM's products in South Africa and 22 other African nations. InthincIn 2017 ORBCOMM acquired Inthinc, Inc., a provider of fleet management, vehicle telematics, driver safety and regulatory compliance solutions to a broad range of industrial enterprises. Inthinc provides an entry point for ORBCOMM into the vehicle fleet management market. Blue Tree SystemsAlso in 2017, ORBCOMM acquired Blue Tree Systems Limited, a provider of transportation management solutions across multiple classes of assets that include trucks, refrigerated straight trucks as well as refrigerated and dry trailers. Blue Tree offers country-specific compliance solutions in North America and Europe. Blue Tree's solutions meet the requirements for the Electronic Logging Device (ELD) Mandate regulations, which will require companies to replace drivers’ paper log-books with electronic hours of service applications by December 18, 2017. Satellites The first-generation OG1 satellites each weigh . Two disc-shaped solar panels articulate in 1-axis to track the sun and provide 160 watts of power. Communication with subscriber units is done using SDPSK modulation at 4800 bit/s for the downlink and 2400 bit/s for the uplink. Each satellite has a 56 kbit/s backhaul that utilizes the popular TDMA multiplexing scheme and QPSK modulation. ORBCOMM is the only