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TEAL AIR CONTROL (TAC)
DETAILS
ARCHITECTURE & RATIONALE
The TAC is a critical system serving as the UI, AV
manager, system network manager, media manager,
mission program manager, and storage device. As the
primary UI, the TAC provides physical controls for the
air vehicle to be flown manually with first-person view
(FPV) over a low-latency video stream. Using the built-
in tablet’s touch screen, the user can program
autonomous missions and manage other more complex
functions through an intuitive custom UI.
As a stand-alone system, all high-resolution mission
media and mission telemetry data are securely
retrieved from the air vehicle, stored, and replayed by
the TAC.
SERVICEABILITY
The TAC’s mechanical design is straightforward, having
only four (4) major chassis components: a clamshell
chassis front and rear, an internal tray to secure the
Samsung tablet, and a small externally accessed door
removable with two Torx screws to access the radio
modem for repair.
RF COMMUNICATION / RADIO MODEM
The TAC contains the same Microhard modem used in
the Teal 2., either: a single 1800 MHz antenna
connected internally to a Microhard pDDL1800-AES256
modem, or a dual 2.4 GHz ISM Band multiple-input and
multiple-output (MIMO) option connected internally to
a Microhard pMDDL2450-AES256 modem. Radio
encryption is initiated and managed through the TAC
UI. Once a Teal 2 is paired to a TAC, an encrypted
Closed Network between the air and ground systems is
automatically formed.
LAN / DRONE
The user can select to either connect the TAC to the
drone or wi-fi.
I / O
The TAC includes a high-speed USB-C 3.1 port; future
functionality and features may be developed.
SAMSUNG TABLET
The TAC system uses a Samsung Galaxy Tab Active Pro
tablet, which is MIL-STD-810G certified and IP68-rated.
It features a large, WUXGA (1920x 1200) resolution,
10.1” touchscreen and is super-bright and sunlight-
visible with a 550-nit rating. The audio vents comply
with the IP53 rating.
TAC SYSTEM POWER
The main ON/OFF system power switch for the TAC is
built into the battery pack. A 4-second press-and-hold
of the battery power button turns the pack on or off.
The battery pack must be removed from the TAC to be
recharged. The battery pack is not serviceable in the
field but is easily removed and replaced.
The TAC does not support a battery pack
hot-swap.
Power down both the tablet and the
battery pack before removing and replacing
the battery pack from the TAC.
TABLET POWER
After powering on the TAC main system power via the
battery button with a 4-second press-and-hold, the
tablet must then be powered on via its tablet power
button with a 2-second press-and-hold.
When the tablet power is on, a quick tap on the tablet
power button puts the tablet to sleep. When asleep, a
quick tap on the tablet power button, or a double-tap
on the screen, wakes it up.
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