Advanced Qualification · A-007 Feedlines and matching · A-007-006-005
A transmitter has an output power of 200 watts. The coaxial and connector losses are 3 dB in total, and the antenna gain is 9 dBd. What is the approximate Effective Radiated Power of this system?
- A 1600 watts
- B 400 watts
- C 800 watts
- D 3200 watts
Correct answer: C — 800 watts. From the official ISED question bank, verified word for word.
Why
Start with the 200 watts from the transmitter, then apply the net change in signal strength. The full explanation — and one for every question — is in Pro.
Practise this section
Feedlines and matching at the advanced level: transmission line theory, impedance transformation, stubs and matching networks.