Ditutup

walkie talkie design

I want to design a wireless talking communication system.

It has to include data compression and to work on ISM frequencies - prefer 915MHz or 433MHz.

Thus the communication should be digital, the audio Sample rate is 16Kbps

optionally is to add analog transmission too

proof on a concept is needed

deliverables:

1) schematics

2) layout

3) prototype assembly

Kemahiran: Reka Bentuk Litar, Kejuruteraan Elektrik, Elektronik, Mikropengawal, Tanpa Wayar

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Tentang Majikan:
( 1 ulasan ) TLV, Israel

ID Projek: #17970894

6 pekerja bebas membida secara purata $292 untuk pekerjaan ini

MIKY4227

Hi good day very high skill in RF, Working in RF150 and RF433, have modules in RF150 analog transmision or digital RF433 , LORA (long range) more of 5km Have a PCB kits included RF150 and RF433 if you need test . Lagi

$555 USD dalam 10 hari
(45 Ulasan)
6.3
ArtShidlovskiy

Do you want a duplex or half duplex? What is the communication distance? and why don't you want to buy ready-made radio stations?

$166 USD dalam sehari
(0 Ulasan)
0.0
arn1991

Hello, I have years of experience in designing electrical circuits and digital communication. I can provide you circuit, schematic and layout. Also you can check my portfolio. I'm looking forward to hearing from you Lagi

$200 USD dalam 10 hari
(0 Ulasan)
0.0
vineeshmohanan

Hi, I am Vineesh Mohan, from India and we are doing similar projects. I am interested in your project and would like to know more about it. I can provide you the solution using 1) AMBE-codec chip, which is co Lagi

$277 USD dalam 60 hari
(0 Ulasan)
0.0
Nuthankalmane

I have worked on same type of protocol in which single analog data will be transmitted by dividing the signal at multiple phase of the signal which will be digitized by using 1 of the micro controller at the receiver s Lagi

$333 USD dalam 15 hari
(0 Ulasan)
0.0
ravirajphule

Dear Sir/Madam, I would like to introduce myself in the world of electronics. I have completed my masters from France and have started now my firm at my homeland called kolhapur (India) where we offer Lagi

$222 USD dalam 10 hari
(0 Ulasan)
0.0