two way communication

2-way digital communication system uses 2.4GHz FHSS and occupies the broadband communication spectrum resources.

wired inductive neckloop with earpiece kit is the basic earpiece kit, the defualt jack is 3.5mm nokia jack,use phone adapters to fit different phones.

 
 
 
Wireless Digital Video 2.4 GHz Baby Monitor with two way communic

 Child Location GPS Watch With CE Certificate And Two Way Intercom Communication
 
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Wireless Digital Video 2.4 GHz Baby Monitor with two way communic

Family CDMA Smartphone Car GPS Locator Tracker With Two Way Communication
 
 
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Low Power Portable GPS GSM Tracker Black , Two Way Communication
 
 
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wired inductive neckloop with earpiece kit is the basic earpiece kit, the default jack is for iphne, use phone adapters to fit different phones.

DC 5V / 500mA GPS GSM Personal Tracker With Two W

 
 
 
The majority of parents want simplicity from audio baby monitors, a mon

 
 
 
The majority of parents want simplicity from audio baby monitors, a mon

wired inductive neckloop works for mini wireless earpiece, the transmitter range is about 20cm from neckloop to earpiece.

DC 5V / 500mA GPS GSM Personal Tracker With Two Way Com

Low Power Portable GPS GSM Personal Tracker Two W

Wholesale Car Vehicle GPS Tracker Support 2G GPS Vehicle Tracker Support Two-Way Communication
 
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AMI Solutions Card Type Prepayment Meter 3 Phase Load Control Two - way Communication
 
The CA368-C is a ca

Features: Job stability, Simple structure, Basically no noise;

Two Way Communication GPS GSM Personal Tracker With 3 L

Two Way Communication GPS GSM Personal Tracker W

Two Way Voice Communication Vehicle GPS Tracker Work With Handset On RS232 Port
 
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1 Phase Single Phase Electricity Meter Two Way Communication Prepayment Meters
 
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Features: Job stability, Simple structure, Basically no noise;

Anti-theft GPS GSM Personal Trakcker With Two Way Commu

Anti-theft GPS GSM Personal Trakcker With Two Way

Wrist Watch GPS Tracker Two Way Communication Remote Satellite Monitor SOS Anti Lost GPS Wrist Watch For Children
 

1 Phase Single Phase Electricity Meter Two Way Communication Prepayment Meters
 
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Features: Job stability, Simple structure, Basically no noise;

Two Way Communication Single Phase Watt Hour Meter Polycarbonate Build - In GPRS
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Features: Job stability, Simple structure, Basically no noise;

VT-C6 Communication Equipment UHF 2 Way Radio :
1. Frequency:UHF440-480MHz
2. Outpower:5W
3. Channel: 16
4.CTCSS/ DCS VOX function