Bluetooth gurus... Get in here..!

Hack

Hack

Well-known member
So I buy this cheap Bluetooth thing... Vnetphone V6. It pairs and works great with my phone and GPS...
'Couple riding buddies have LEXIN LX-R6 units... They L@@K exactly the same, but... We can't seem to get them to pair/work together...
From what I've seen My unit has BT V 3.0 and the Lexin is V 2.1
'Could that be the problem..?

Anyway... pic below of the two units. I checked the manual, but the one for the Vnetphone is absolutely lacking in translation.

Is there a trick to pairing these seemingly identical units..? Or... Could they be identical on the outside, but have incompatible guts..?

Maybe one of you younger/cooler/hipper techies can help an old luddite out... Lol And I don't mean help out as is... "Go buy a Cardo":oops:

R6.jpg M.jpg
 
What radios are the units using to talk to each other? I would assume not bluetooth as range on that is pretty crap for people in separate vehicles. Lexin says it has 1000m range so not bluetooth afaik. It wasn't obvious in my five minute search. There is a chance they are operating on different frequencies in which case they will never talk. A spectrum analyzer would show you which frequency each is operating on and then if they are the same, you'd need to figure out if they are speaking the same language. I don't have an analyzer that will go high enough to help you figure out anything.
 
GreyGhost said:
What radios are the units using to talk to each other? I would assume not bluetooth
Click to expand...


They're bluetooth... :)

I've done a bit of Googling and it appears it's entirely possible the units are indeed proprietary... If so, Oh well... I've spent more than $66 on stupider stuff...
In any case... The unit I bought works/sounds great for music and it pairs fine with my phone and Garmin GPS...

I guess my two riding buddies can continue to yak with each other and I'll rely on hand signals just like in the olden days :cool:
 
Hack said:
So I buy this cheap Bluetooth thing... Vnetphone V6. It pairs and works great with my phone and GPS...
'Couple riding buddies have LEXIN LX-R6 units... They L@@K exactly the same, but... We can't seem to get them to pair/work together...
From what I've seen My unit has BT V 3.0 and the Lexin is V 2.1
'Could that be the problem..?

Anyway... pic below of the two units. I checked the manual, but the one for the Vnetphone is absolutely lacking in translation.

Is there a trick to pairing these seemingly identical units..? Or... Could they be identical on the outside, but have incompatible guts..?

Maybe one of you younger/cooler/hipper techies can help an old luddite out... Lol And I don't mean help out as is... "Go buy a Cardo":oops:

View attachment 50426 View attachment 50427
Click to expand...

The problem isn't Bluetooth, but the intercom protocol.

Bluetooth is a short-range protocol and pairs devices like your communicator to GPS, phones, music players and TFT screens on your motorcycle. The theoretical range for Bluetooth v4.1 is 100m, but I've found the signal will degrade much sooner if you wear your headset and start walking away from your phone or mp3 player. You'll be lucky if the Bluetooth signal is still strong after 10m.

The actual protocol that links communicator headsets to each other is the intercom protocol, which boasts a much longer range than Bluetooth - on the order of a kilometer or even longer. However the standards for interoperability for the "universal intercom protocol" are not as well defined as Bluetooth, and testing between manufacturers is very thin and sketchy.

Even in 2021, there are some problems with intercom pairing between the large comms manufacturers like Sena and Cardo. They are "supposed" to talk to each other, but every time there is a model or firmware upgrade, things tend to break because of the lack of interoperability testing. So for your smaller brands, there will probably be either no "universal intercom" support, and if there is, there will be no testing between these smaller brands.
 
TLDR for the five previous posts:

Cheap cases are cheap!
Different companies use different hardware/software/firmware in the same cheap case.
 
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