GSM two-party call 4GGSM three-way call 4GGSM five-party call 4G digital system two-party call digital system three-way call digital system five-party call extension Other configurations contact customer service
Intercom type:
Voice is not visible
Smart type:
other
Technology sources:
Independent research and development, a number of wireless products national patents
Intercom system:
The NUMERICAL control system can control 9999 elevators
Call distance:
Digital system within a radius of five kilometers
The type of emergency call:
Voice call calls
Warranty service:
One year warranty, lifetime warranty
Choose region:
Choose shipping method:
Items weight estimation 0 g, subject to actual weight
Calculated shipping includes heavy logistics. Order more, shipping costs will reduce
to 50% discounts!
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