SX-20 – SWR meter 1.8MHz – 200MHz, Featuring cross needle design for measuring SWR and output power simultaneously. Compact size makes it very useful for testing mobiles as well as base station installation. Specification: Frequency: 1.8 – 200 Mhz Impedance: 50 Ohms Power Range: 30 – 300 Watts Power Accuracy: 10% @ Full Scale Min Input Power: 2 Watts Connector: UHF (SO239-Type) Dimensions: 85x87x95mm