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A. Directions: Write letter A if it is an advantage and D if it is a disadvantage of infrared
radiation
1. Transmitters and receivers should be
5. Simple circuit.
directly aligned to connect and
6. Distance sensitive
communicate
7. Higher security than radio waves
2. Low power requirements that make it
8. Weather sensitive
ideal for laptops.
9. Can also be affected by sunlight.
3. Can be blocked by common materials
10. Portable
4. Low circuit costs​