Updated: Dec 9, 2025 | Source: 2023-2027 Question Pool | Topic: G1E
G1E08G1E

What is the maximum PEP output allowed for spread spectrum transmissions?

Deep Dive: G1E08

The correct answer is B: 10 watts. The maximum PEP output allowed for spread spectrum transmissions is 10 watts. This is much lower than the standard 1500-watt limit for most amateur operations. The lower limit helps prevent interference with other services that share these frequencies. For amateur radio operators, understanding this power restriction is essential for legal spread spectrum operation. This is a significant limitation compared to other modes.

Why Other Answers Are Wrong

Option A (100 milliwatts): Incorrect. 100 mW is too low - spread spectrum is allowed up to 10 watts PEP, not just 100 milliwatts. Option C (100 watts): Incorrect. 100 watts exceeds the spread spectrum limit - the maximum is 10 watts PEP, not 100 watts. Option D (1500 watts): Incorrect. 1500 watts is the standard HF limit, but spread spectrum has a much lower 10-watt limit.

Exam Tip

Spread spectrum power limit = 10 watts PEP. Think 'S'pread 'S'pectrum = '1'0 watts 'S'trict limit. Maximum PEP output is 10 watts, much lower than standard 1500-watt limit. Helps prevent interference with other services.

Memory Aid

Spread spectrum power limit = 10 watts PEP. Think 'S'pread 'S'pectrum = '1'0 watts 'S'trict. Maximum PEP output is 10 watts. Much lower than standard limits to prevent interference.

Real-World Example

You operate spread spectrum on 2.4 GHz. Your maximum power is 10 watts PEP, much lower than the 1500 watts you could use on HF. This lower limit helps prevent interference with Wi-Fi and other services sharing the band. Operating above 10 watts would violate regulations.

Source & Coverage

Question Pool: 2023-2027 Question Pool

Subelement: G1E

Reference: 2023-2027 Question Pool · G1 - Commission's Rules

Key Concepts

Spread spectrum power limit PEP output Power restrictions Spread spectrum

Verified Content

Question from the official FCC General Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the G1E topic.