Model 98959-A15/30/60 Scale. Digital High-Power Wattmeter includes FWD/RFL switch, four 10-foot cables and AC adapter. Requires appropriate dual socket line section and elements.The Coaxial Dynamics High-Power Digital Wattmeters are designed for the accurate measurement of complex RF Waveforms such as CDMA (Code Division Multiple Access), DAB (Digital Audio Broadcast), DTV (Digital TV) and HDTV (High Definition TV), as well as CW, AM and FM.To use the Wattmeter, simply connect it between the power source and antenna or dummy load and plug in the appropriate measuring element. The RF power is directly displayed on the 4-1/2″ triple scale meter.The use of a rugged shock mounted meter with a mirror-backed scale along with superior taut band technology, provides reliable and accurate readings, and also satisfies both the US Navy and Canadian standards for bounce and vibration. This is your assurance of complete accuracy.Your confidence in the quality and dependability of these High-Power Digital Wattmeters is assured with the Coaxial Dynamics Two Year Limited Warranty. Shock Mounted “Taut Band” Meter4-1/2″ Mirrored ScaleUses Gold Plated Digital Plug-In Elements Two Year Limited Warranty