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999 channels wireless calling receiver display
Model Number: ZJ-49
Brand Name: CallingSYS
Key Specifications/Special Features:
Receiver server use RF wireless and learning code technology, can pair up to 999 wireless calling transmitter and 1 management remote controller and the receiver h... |
2017-12-21 |
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999 channels wireless calling receiver display with USB connect computer software
Model Number: ZJ-49PC
Brand Name: CallingSYS
Key Specifications/Special Features:
Receiver server use RF wireless and learning code technology, can pair up to 999 wireless calling transmitter and 1 management remote controller and the receiver... |
2017-10-11 |
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