Tech-Security Electronic Technology Co., Ltd.

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newest digital home intercom for 10person/sets from factory

newest digital home intercom for 10person/sets from factory

digital home intercom group for 10,two way audio AFH tech,stable super anti-jamming capability cmmunication distance>300m digital doorbell  now10 sets  can be used as a group, person in the group can communicate freely. Introduction 1.  This...
newest digital communication / intercom for 10person/sets from factory

newest digital communication / intercom for 10person/sets from factory

digital doorbell for 10sets comm. two way audio AFH tech,stable super anti-jamming capability cmmunication distance>300m digital doorbell  now10 sets  can be used as a group, person in the group can communicate freely. Introduction 1.  This intercom...
Utility wireless phone intercom  from factory

Utility wireless phone intercom from factory

wireless phone intercom -AFH technology,stable -super anti-jamming capability -cmmunication distance >300m -CE/FCC/ROHS,etc wireless phone intercom Introduction1.  This intercom system is our own patent.2.  It works like the office intercom system but without...
wireless interphone  from factory

wireless interphone from factory

Wireless interphone -Perfect two way audio -AFH technology,stable -Super anti-jamming capability ->300m available   wireless interphoneIntroduction 1.  This intercom system is our own patent.2.  It works like the office intercom system but without switch...
phone intercom  from factory

phone intercom from factory

digital door bell perfect two way audio AFH technology,stable super anti-jamming capability cmmunication distance >300m digital doorbell Introduction 1.  This intercom system is our own patent.2.  It works like the office intercom system but without switch...
phone intercom  from factory

phone intercom from factory

digital door bell perfect two way audio AFH technology,stable super anti-jamming capability cmmunication distance >300m digital doorbell Introduction 1.  This intercom system is our own patent.2.  It works like the office intercom system but without switch...
phone intercom  from factory

phone intercom from factory

digital door bell perfect two way audio AFH technology,stable super anti-jamming capability cmmunication distance >300m digital doorbell Introduction 1.  This intercom system is our own patent.2.  It works like the office intercom system but without switch...
digital door bell from factory

digital door bell from factory

digital door bell perfect two way audio AFH technology,stable super anti-jamming capability cmmunication distance >300m digital door bell Introduction 1.  This intercom system is our own patent.2.  It works like the office intercom system but without switch...
Intercom home conmunication

Intercom home conmunication

intercom home , Door phone&door bell 1clearly voice.,good stability 2 >500m commun distance 3 fullduplex handsfree call 4 CE intercom home Function Features1.Using 2.4G ISM public frequency band: 2402-2483MHz2. Air transfer rate: 250K3. Transmitting Power: Less then...
2.4G wireless digital door bell

2.4G wireless digital door bell

wireless door bell 1 Clear voice and stable siginal 2 >500m communication distance 3 Duplex handsfree call 4 CE/ROHS approve wireless door bellElectical Characteristics1.       Using of 2.4G ISM public band...



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