Intercoms -AFH technology -Voice loud & very clear -Full-duplex voice intercom - ... distance 500m in open land Exquisite and useful 2.4G intercoms with high quality in 2011 TA-502 TWO WAY ... intercoms Technique Parameter 2. Full MHz : 2.4~2.48GHz3. Working ...
wide adadtability , Stable and reliable ,Memory space . Applicable to between inter-building intercoms and single useDozens of aerials of various sizes are aplicable to variouss types of inter-building intercoms.DIgital and simulated separation can eliminate any interference .1000 user cards and 5000 pieces of card reading records.
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