Based on the advanced intelligent chip platform, Caltta eChat e720 supports 4G broadband data services and provides users with high-quality industrial applications. Features of e720 eChat Smart Radio Easy to Carry With a lightweight design, e720 can be shoulder-mounted or ...
Caltta eChat e690 is a professional portable PoC radio with rich features. It is applicable to both commercial and professional users. It achieves communications over 3G/4G/Wi-Fi networks with rich applications. Features of e690 eChat PoC Radio User-Friendly Appearance Compact ...