These are new products(Carrier-type TVWS CPE, Backpack TVWS CPE, Backpack TVWS Relay).

If connecting the master (carrier type) to the internet and carrying the slave (backpack type) in the field(site), 

the communication network will be established urgently.

Because the backpack CPE or Relay has a Wi-Fi service and can be connected to a mobile phone..

It is developed as a carrier-type and a backpack-type, respectively.

And so the urgent network can be installed only by one agent . 

If adding a PTT(Push to Talk), 

it will be very good as the emergency network of public institutions and in rural area, public WiFi at the venue.

If backpack TVWS relay is used, the multi-hop will be possible.

Also the electric power of these products can be driven by the folded solar panel.