4G receiving device TYN3D-02

TTS voice terminal T-9000

Dipole antenna HCAAY50-500

I5 industrial computer (17.3 inches)

Transmission equipment TX-802

Fixed voltage and fixed resistance amplifier DY-6110

IP Outdoor Waterproof Sound Column - Economy IP805

IP External Waterproof Sound Column - Engineering Type IP704

Inductive Audio Alarm - Solar Powered GYPD-03

Inductive Audio Alarm - Solar Powered GYPD-04