Insinga za TELSTO zifite uburebure bwa ohm 50, harimo na moderi za LMR300, LMR400 (RG8U), LMR500, LMR600, LMR900, LMR240, RG58, RG213, 5D-FB, 8D-FB, 10D-FB, nibindi, zagenewe kohereza ibimenyetso bya RF mu buryo bwo hejuru. Zifite foam polyethylene (PE) dielectric hamwe na aluminiyumu ifatanye hamwe n'icyuma gikonjesha cy'umuringa cyangwa aluminiyumu, uru rukurikirane rwemeza ko nta bushobozi buhamye bwa 50±2 ohms, hamwe na VSWR nkeya no kugabanuka guke. Ziboneka hamwe n'amakoti ya PVC, PE, cyangwa LSZH, izi nsinga zikora neza mu bushyuhe bwinshi kuva kuri -40°C kugeza +85°C. Zikwiriye cyane gukoreshwa mu itumanaho, gusakaza, imiyoboro idafite insinga, no guhuza ibimenyetso hagati y'ibikoresho by'ikoranabuhanga.