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Wireless: What are the hopping specifications in TEMPEST wireless?

Wireless: What are the hopping specifications in TEMPEST wireless?

Apr 06, 2019

Tempest uses FHSS (Frequency Hoping Spread Spectrum) Technology
It also employs dual transmit of audio packets to provide a robust audio/data connection between the base unit and wireless beltpacks.
Each data packet(audio/data) is sent on one frequency and then the system hops to another frequency and then sends the same 2nd data packet again.


Tempest General:  Frequency Band:             2400 –2483.5 MHzRF Scheme:                      FHSS with TDMANumber of Freqs:           43Occupied Bandwidth:     1.2MHzHop duration:                  5mS (200 hops/sec) (dwell time)  Tempest Base:  Output power:                18dBm (63mW) conductedAntennaGain:                  +2dBi (whip) Transmit time:                 890uS/5mS hop (17.8%)Receiversensitivity:        -90dBm for 10^-5 BERBelts supported:             5belts per base  Tempest Belt:  Output power:                18dBm (63mW) conductedAntennaGain:                  +2dBi (patch, horizontally polarized) Transmit time:                 325uS/5mS hop/Belt (6.5%)Receiver sensitivity:       -90dBm for 10^-5 BER 

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PDF File Tempest hopping information.pdf Tempest hopping information.pdf

Apr 06, 2019 by Administrator

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