Prescribed sustenon 250 in my country, for trt purposes, is one ampoul every 2 to 3 weeks.
Testex elmu prolongatum (250mg cypionate), for trt porpuses, is one ampoul, every 2 to 3 weeks.
Nebido (a gram of test undecanoate), is used in one shot every 10 to 14 weeks.
Testoviron Depot (250mg): every 2-3 weeks or, for "enough" trt levels, every 3-4 weeks. In some cases, one shot every 6 weeks, is enough to allow the patient to have a normal life.