If you are buying walkie talkies for a hotel, construction site, security team, event or warehouse in Singapore, you may be wondering whether you can simply buy the radios and start using them. The answer depends on the type of radio, its frequency, power and how you intend to operate it. Most walkie talkies used in Singapore need either IMDA-registered licence-free equipment or an IMDA licence. Low-power handhelds operating on the licence-exempt 446 MHz allocation can be use