Grandstream Hybrid ATA with FXS and FXO ports - HT813 Camera Series_TIOC 2.0 (Dahua) They provide carrier-grade security features

They provide carrier-grade security features to provide enterprise-level security

No — it uses 940nm IR

6lb) Working Environment -40°C ~ 65°C (-40°F ~ 149°F)

Auto-Focus Night Vision IR up to 50m AI Functions Face Detection

while the E-AS has audio/alarm ports and 50m IR

Grandstream Hybrid ATA with FXS and FXO ports - HT813 Camera Series_TIOC 2.0 (Dahua) They provide carrier-grade security featuresDescription The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port enables this hybrid ATA to support remote calling to and from the PSTN line. For added flexibility, the FXS port extends VoIP service to one analog device. Users can convert their analog technology to VoIP thanks to the HT813s ultra