supply of supply of transmission measuring set (tms kit) , supply of transmission measuring set (tms kit) complete with tone generator and db meter having 470-, 600-and 1120 -ohm output impedance range, less than 2% distortion, more than 60 db degree of balance, transmission level of +10 dbm to -50 db m in 10 db steps and +1 to -10 db continuous variable, accuracy +- 0.2 db, lcd digital panel meter, 3 & half digits display, rechargea ble ni-mh battery. complete set with all connection lead & accessories. (connection cables, test leads, user manual, carrying case). [ warranty period: 30 months after the date of delivery ] ]