Portable wireless intercom
According to relevant national standards, it is called an ultra short wave frequency modulation wireless telephone. People usually refer to handheld wireless telephones with low power and small size as "walkie talkies". Previously, some people called them "walkie talkies" or "walkie talkies". Wireless telephones with high power and large size that can be installed in vehicles (ships) or fixed for use are also called "radio stations", such as car mounted stations (car mounted devices), ship mounted stations, fixed stations, base stations, relay stations, etc.
