- Adopt full duplex technology; signals can be transmitted simultaneously from different directions; window speaker intercom can automatic identification of processing speech signals during a call does not require any action
- Dual way interphone uses a 4 core high-strength aluminum foil shielded wire; strong anti-interference ability; which makes the voice clear and natural
- Easy to install; just plug the external speaker cable and power adapter into the corresponding socket; drive thru intercom equipped with 3M strong adhesive; can paste the external speaker on the glass
- Both internal and external volume of window speaker intercom can be adjusted, and anti-interference and whistle-removing circuits are provided to reproduce the original sound
- Drive thru intercom is very suitable for use in bank counters and ticket windows; the use of bulletproof glass and window intercom can greatly improve the safety of employees
