Constant cox internet outage - disconnects 20-30 times a day lasting from 30 sec to 1 min

Constant cox internet outage - disconnects 20-30 times a day lasting from 30 sec to 1 min

2 time tech visited and did something to the cable that's coming in but no help. 

issue is still same, every day i loose internet connection. 

Moved in march and bought the cox for the first time. zip code 85027. 

I only have cox Modem\Route combo and asked for internet service only. 

Panoramic Wifi Gateway - its cox modem\router combo

Things I've done.

1. Call cox to discuss the problem

call history (

18th July

1 Aug

5th Aug

10th Aug )

2. Reset the modem (many times)

3. Restart my computer (many times)

4. Disconnected Router and just have the modem running a straight line into my computer from the modem

5. Inspect the cable lines

6. Looked for similar problems online

7. I had 2 tech visit and my internet is still terrible

any suggestion???? cox does not have clue and want to sell me complete care. 

Please help.