GS521A Basic Edition Public Intercom

GS521 Performance Edition Public Network Interphone

GS518 Professional Public Radio

GS520 Business Edition Public Network Interphone

GC616 Magnetic Edition Professional Public Network Intercom

GC618 Business Edition Professional Public Network Interphone

GC618 PLUS upgraded dual mode walkie talkie (public network+simulation)

GD500S professional digital intercom (transfer+adjustable 10W+ground alarm)

GC069 power adjustment version analog walkie talkie (frequency adjustment+adjustable 10W)