SiteWizard MTM-427 is a Cable and Antenna Analyser engineered for field use, considering different use-cases and conditions. Durability means maximum RF protection and ruggedised construction, while convenience involves ease of use, intuitive user interface, flexible test accessibility and compactness. It maintains same performance and accuracy as conventional larger Cable and Antenna Analysers while being a heavy-duty handy tool with maximum reliability against field accidents. The highly compact size and robust casing allows testing scenarios hard to realise before, testing without additional launch cable. State-of-the-art frequency domain reflectometer guarantees highest resolution pinpointing adjacent faults along cable path. The first Cable and Antenna tester in its class featuring both quick and precise sweep testing with spectrum analyser option in a lightweight shock-protected unit.