power point on Go Tenna

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goTeNNa
1
13891A0414
4TH YEAR SECOND SEMISTER
ELECTRONICS COMMUNICATION ENGENEERING
C . SRI SUDHEERA

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CEO
History 2
CO FOUNDERS
Daniela Perdomo
CTO
Jorge Perdomo

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GoTenna is a new device that looks to combat the age-old
problem of 'no service' on your mobile with its new portable
antenna device
Introduction 3
1
2
3
4
It enables users to send text messages up to 160 characters –
as well as share their location on detailed offline maps.
it works anywhere on the planet with anyone else who has it too,
allowing the user to connect privately and avoid subscriptions or
fees, or communicate under emergency conditions.
The sleek and small piece of tech wirelessly pairs with your
smartphone so you can send text messages directly with others
even when you don't have service, without requiring any other
element such as satellites or Wi-Fi

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Construction 4
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Features 5
Compact and lightweight, yet rugged and reliable. goTenna's aluminum
and polycarbonate exterior is water resistant and dust tight.
This is a feature
Inside, there's a circuit board, radio chips, a custom antenna, and a
lithium polymer battery which can be recharged with any micro USB
cable. Pull out the antenna to turn on; close to turn off.
This is a feature
The nylon strap sturdily attaches goTenna externally to other gear in high
range situations, or just keep in a pocket or bag and forget it's there.
This is a feature
The dimensions of a goTenna are roughly 5.8 in x 1 in x 0.5 in or 147.3
mm x 25.4 mm x 12.7 mm. When the device extends, its length increases
by 2.2 in or 55.8 mm. It weighs about 1.8 oz or 52 g.
This is a feature

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Functions 6
Send private messages
1 to 1; in a group, or
broadcast to any
goTenna nearby. All
messages are
compatible and
interoperable with both
iOS and Android devices
Step
Share and request
location information with
other goTenna users.
Allow trusted contacts to
automatically receive
your location information
whenever they need it.
.
Step
Download detailed
offline maps of any
location in the world.
Your goTenna’s offline
maps will allow you to
use GPS even without
cellular service.
Step
In private chats, know
that your messages
were successfully
delivered
to other goTenna
devices.
.
Step
Messaging Offline Maps Location Sharing MessageConfirmation

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Operation
1.Follow on boarding instruction inside app to set up your
goTenna contact number. This is recommended to be your
phone number.
2.Proceed to text, share GPS location, or send other data
over the app using regular text-messaging app conventions.
3.We recommend placing the goTenna in a unobstructed
position, preferably as high up as possible on your person.
For example, goTenna will work best when attached
externally to the upper back of a backpack using the
provided attachment strap.
Installation
1.Charge goTenna fully before initial operation via the
microUSB port found at the bottom of the device. Device
light will pulse white while charging, and will remain solid
white when fully charged.
2. Install goTenna app on to smart phone.
3. Extend goTenna retractable antenna into the full locked in
position to turn on the device. It will flash white one time to
indicate it is on.
4. Press and hold Bluetooth pairing button also found at the
bottom of the device to initiate pairing sequence. Device will
blink blue rapidly while in pairing mode.
5. Follow pairing instruction inside phone app to pair to
goTenna. Light will flash a solid blue for 2 seconds once
pairing is successfully completed.
6. If you ever need to pair goTenna with a new phone, simply
press the pairing button again to make the device capable of
pairing with a new host device.
7
How to Use

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SWITCH ON
.
Working 8
Step
GREEN ON
.
Step
TEXT MESSAGE
Step
SYNCHRONIZED
.
Step
SENDING/ RECEIVING
Step
Step
RED OFF

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When to Use Go TeNNA 9

10. Pros and Cons
10
-Connects easily
-Light weight
-Sends your
location
-Supports
multiple carries
-Two gotennas
are needed for
communication
-Limited range
-Separate device

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This work has successfully produced a proof of concept for a one way emergency communication transmitter that can send a
user’s message to a different part of the world where it can then be posted on the internet. There is good reason to believe the
signal transmitted can reach more than the observed distance, but this remains unconfirmed.
With the Arduino's limited memory it is not possible for many users to write and send their messages at the same time, or have
them saved and queued. This can be resolved by using a different microcontroller, one with more memory and a more powerful
processor, as a basis for the system.
Conclusion 11
Fundamental Requirement Fulfilled
Easy to use Yes
Easy to install Yes
Cheap to operate Yes
Available for many users NO

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@goTenna
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