Things to remember

Remember the following important points about what we learnt in this chapter.

• The 2.4 GHs ISM band is available for use by the industrial, scientific, and medical community
• Use of RF communications is strictly regulated by law
• RF signals can be received by all RF receivers in the vicinity
• Sensitive RF communications must be secured using encryption, public-private tokens, and so on
• Bluetooth is a wireless alternative to wired communications
• Voltage division technique is used to reduce voltage