Ascom Network Testing offers the TEMS portfolio, a complete set of trusted solutions for drive testing, analyzing, benchmarking, and monitoring mobile network performance.
Ascom Network Testing is the wireless communications drive-test market leader with nearly 40% market share. With more than 650 customers in 140+ countries, including the top 20 mobile operators, major infrastructure suppliers, and service providers, TEMS is the world's most trusted technology for deploying, monitoring and assuring quality of service for broadband wireless networks.

Used in more than 180 countries worldwide, TEMS Investigation is the industry standard tool for troubleshooting, verification, optimization and maintenance of wireless networks. TEMS Investigation supports all major technologies, making it the ideal testing tool at every stage of the network’s life cycle. TEMS Investigation has been the leading originator of drive-testing features and functions for two decades. It employs smart and exclusive functionality that solves specific problems, promotes cost-efficient work processes, minimizes human errors and improves productivity, allowing operators to focus on ensuring network quality, as well as gain insight into the subscriber perspective by performing service testing directly on the end terminal. TEMS Investigation is a complete, cost-effective and conveniently compact solution for the active field engineer.

Radio Access Network (RAN) testing product that measures network performance from the iPhone user perspective, providing mobile network operators with critical data that can be used to optimize network performance. With this technology, mobile network operators will know that their TEMS Investigation iPhone-based testing units will support iOS7 as well as future updates.
TEMS Pocket
Wireless operators need to collect data from their networks to test and measure coverage and quality. However, it isn’t always practical to obtain network information with drive-test solutions, particularly with more than half of today’s estimated data traffic and calls generated from indoor environments.
TEMS Pocket is a phone-based test tool developed for measuring the performance and quality parameters of wireless networks. The tool collects measurement and event data for immediate monitoring or for processing by TEMS™ Discovery or other tools at a later time.
Using TEMS Pocket, operators can easily test locations such as inside restaurants, shopping malls, subways, trains, boats, event venues – anywhere that people go. This can be done while using TEMS Pocket as a regular phone. Small enough to fit in your hand, TEMS Pocket is powerful enough to capture a range of data which only a few years ago would have required laptops or even larger tools. It allows the tester to test as a user.




TEMS Discovery is the wireless industry’s most holistic network analytics and optimization platform, providing mobile operators and their service providers with unparalleled insight into network performance as it is perceived by subscribers at the device, the application and the network level. This holistic approach is unique to TEMS Discovery, empowering operators to lock-in premium subscribers by validating that customers receive the service levels they demand, around-the-clock, from any location, and across voice, data and integrated media services.
TEMS Discovery automatically analyzes drive-test, user equipment (UE), network OSS, crowd-sourced, and application data, providing actionable intelligence via a web-based management dashboard. TEMS Discovery Enterprise offers a variety of analytics packages for Customer Experience; VoLTE; Indoor; Capacity (traffic hotspots and small cell); SON; Handset Analysis; Subscriber KPIs; and Benchmarking.
TEMS Discovery is available in its flagship enterprise edition, as well as desktop editions that enable engineers to drill down into UE (collected from TEMS and third-party tool vendors) and OSS data (collected from Ericsson, Nokia Siemens Networks and Huawei).