I want to remove or at least disable the cellular phone functionality from my Bolt. I'll get updates by connecting to my wifi at home. No need for big brother to track me.
Where / how?
Where / how?
Remove mobile data chip?
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Battery replacement master thread - please do not create a new thread.
Loco
81 - 83 of 83 Posts
I was thinking about this some more and wondered if the 1w rating on the resistor was enough for OnStar transmission power. I found this on another board:
“The difference is not the type of modulation, but the transmit power. AMPS cell phones, of which the original On*Star was one, were allowed by the FCC to transmit at up to 3 watts of power. CDMA cell phones, such as the current On*Star, are limited by the FCC to 0.6 watts. This drastic difference is undoubtedly how On*Star acquired the reputation of working in places where digital cell phones do not.”
I don’t know which one our Bolts have for sure. The AMPS requirement was discontinued in 2008, though carriers continued it past that date. Our Bolts probably have the newer lower power 0.6w standard which means the brass resistor in my previous post is OK. I have a 2012 Equinox that can no longer be supported by OnStar (3g network) so that was likely the old 3w version.
10w resistor
“The difference is not the type of modulation, but the transmit power. AMPS cell phones, of which the original On*Star was one, were allowed by the FCC to transmit at up to 3 watts of power. CDMA cell phones, such as the current On*Star, are limited by the FCC to 0.6 watts. This drastic difference is undoubtedly how On*Star acquired the reputation of working in places where digital cell phones do not.”
I don’t know which one our Bolts have for sure. The AMPS requirement was discontinued in 2008, though carriers continued it past that date. Our Bolts probably have the newer lower power 0.6w standard which means the brass resistor in my previous post is OK. I have a 2012 Equinox that can no longer be supported by OnStar (3g network) so that was likely the old 3w version.
10w resistor
LG TTA20ANEBN TCU.
fccid.io
Power Output 164mW to 1.13 Watts.
![Image]()
FCC ID BEJGEN11NAN Telematics by LG Electronics USA
FCC ID application submitted by LG Electronics USA for Telematics for FCC ID BEJGEN11NAN. Approved Frequencies, User Manuals, Photos, and Wireless Reports.
With this information, probably better to get the 2W rated resistors hooked directly to the connector.LG TTA20ANEBN TCU.
Power Output 164mW to 1.13 Watts.FCC ID BEJGEN11NAN Telematics by LG Electronics USA
FCC ID application submitted by LG Electronics USA for Telematics for FCC ID BEJGEN11NAN. Approved Frequencies, User Manuals, Photos, and Wireless Reports.
View attachment 66396
2W Resistors
Coaxial Terminators SMA Male Connector RF Coaxial Matched Terminator Termination Load 50 Ohm 2W SMA Terminator
Connector
Proxicast FAKRA Z to SMA Female Interseries Adapter - Waterblue Universal Compatibility for AM/FM, Satellite Radio, GPS, 4G/5G Cellular, Bluetooth and Other SMA Coax Cables (ANT-106-Z-SMA-2PK)
81 - 83 of 83 Posts
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