This is for my reference and is available for the public too. My copy of my MMDVMHost File:
This file is from a Winters MMDVM Board Using JSTAR on a Pi4. The Repeater is a VHF Repeater Enabled for FM and C4FM
[General]
Callsign=GB3MX
Id=234116
Timeout=80000
Duplex=1
RFModeHang=300
NetModeHang=300
Display=Nextion
Daemon=1
[Info]
RXFrequency=145037500
TXFrequency=145637500
Power=25
Latitude=22.5676
Longitude=113.9873
Height=0
Location="MARYPORT"
Description="CUMBRIA"
URL=https://www.qrz.com/db/GB3MX
[Log]
DisplayLevel=0
FileLevel=1
FilePath=/var/log/pi-star
FileRoot=MMDVM
[CW Id]
Enable=0
Time=60
Callsign=GB3MX
CTCSSTone=77.0
[DMR Id Lookup]
File=/usr/local/etc/DMRIds.dat
Time=24
[NXDN Id Lookup]
File=/usr/local/etc/NXDN.csv
Time=24
[Modem]
Port=/dev/ttyAMA0
TXInvert=0
RXInvert=1
PTTInvert=0
TXDelay=2
RXDelay=5
RXOffset=0
TXOffset=0
DMRDelay=2
RXLevel=50
TXLevel=50
RXDCOffset=0
TXDCOffset=0
RFLevel=100
CWIdTXLevel=50
D-StarTXLevel=50
DMRTXLevel=50
YSFTXLevel=50
P25TXLevel=50
NXDNTXLevel=50
RSSIMappingFile=/usr/local/etc/RSSI.dat
RXBufferSize=256
TXBufferSize=256
Trace=0
Debug=0
Protocol=uart
UARTPort=/dev/ttyAMA0
UARTSpeed=460800
M17TXLevel=50
POCSAGTXLevel=50
FMTXLevel=68
AX25TXLevel=50
UseCOSAsLockout=0
[Transparent Data]
Enable=0
SendFrameType=1
RemoteAddress=127.0.0.1
RemotePort=40094
LocalPort=40095
[UMP]
Enable=0
Port=/dev/ttyACM1
[D-Star]
Enable=0
Module=C
SelfOnly=0
AckReply=1
AckTime=750
ErrorReply=1
RemoteGateway=0
ModeHang=20
AckMessage=0
[DMR]
Enable=0
Beacons=0
BeaconInterval=60
BeaconDuration=3
ColorCode=1
SelfOnly=0
EmbeddedLCOnly=0
DumpTAData=1
CallHang=3
TXHang=4
ModeHang=20
OVCM=0
Id=234116
[System Fusion]
Enable=1
LowDeviation=0
SelfOnly=0
TXHang=0
RemoteGateway=0
ModeHang=20
[P25]
Enable=0
NAC=293
SelfOnly=0
OverrideUIDCheck=0
RemoteGateway=0
ModeHang=20
TXHang=5
[NXDN]
Enable=0
RAN=1
RemoteGateway=0
TXHang=5
SelfOnly=0
ModeHang=20
[D-Star Network]
Enable=0
GatewayAddress=127.0.0.1
GatewayPort=20010
LocalPort=20011
Debug=0
ModeHang=20
[DMR Network]
Enable=0
Address=127.0.0.1
Port=62031
Local=62032
Jitter=360
Password=0
Slot1=1
Slot2=1
Debug=0
ModeHang=20
RemoteAddress=127.0.0.1
RemotePort=62031
LocalPort=62032
Type=Gateway
[System Fusion Network]
Enable=1
LocalAddress=127.0.0.1
LocalPort=3200
GatewayAddress=127.0.0.1
GatewayPort=4200
Debug=0
ModeHang=20
[P25 Network]
Enable=0
GatewayAddress=127.0.0.1
GatewayPort=42020
LocalPort=32010
Debug=0
ModeHang=20
[NXDN Network]
Enable=0
LocalAddress=127.0.0.1
LocalPort=14021
GatewayAddress=127.0.0.1
GatewayPort=14020
Debug=0
Protocol=Icom
ModeHang=20
[TFT Serial]
Port=/dev/ttyNextionDriver
Brightness=50
[HD44780]
Rows=2
Columns=16
Pins=11,10,0,1,2,3
I2CAddress=0x20
PWM=0
PWMPin=21
PWMBright=100
PWMDim=16
DisplayClock=1
UTC=0
[Nextion]
Port=modem
Brightness=50
DisplayClock=1
UTC=0
ScreenLayout=4
IdleBrightness=20
[DelNextionDriver]
Port=modem
DataFilesPath=/usr/local/etc/
LogLevel=2
GroupsFile=groups.txt
DMRidFile=stripped.csv
#DMRidDelimiter=,
#DMRidId=1
#DMRidCall=2
#DMRidName=3
#DMRidX1=4
#DMRidX2=5
#DMRidX3=7
ShowModeStatus=0
RemoveDim=0
WaitForLan=0
SleepWhenInactive=0
Enable=1
[OLED]
Type=3
Brightness=0
Invert=0
Scroll=0
Rotate=0
Cast=0
LogoScreensaver=0
[LCDproc]
Address=localhost
Port=13666
DimOnIdle=0
DisplayClock=1
UTC=0
[M17]
Enable=0
CAN=0
SelfOnly=0
TXHang=5
ModeHang=20
[AX 25]
Enable=0
TXDelay=300
RXTwist=6
SlotTime=30
PPersist=128
Trace=0
[M17 Network]
Enable=0
LocalAddress=127.0.0.1
LocalPort=17011
GatewayAddress=127.0.0.1
GatewayPort=17010
ModeHang=20
Debug=0
[AX 25 Network]
Enable=0
Port=/dev/ttyp7
Speed=9600
Debug=0
[Lock File]
Enable=0
File=/tmp/MMDVMHost.lock
[Remote Control]
Port=7642
Address=127.0.0.1
[FM]
Enable=1
Callsign=GB3MX
CallsignSpeed=20
CallsignFrequency=1000
CallsignTime=10
CallsignHoldoff=0
CallsignHighLevel=50
CallsignLowLevel=20
CallsignAtStart=0
CallsignAtEnd=0
CallsignAtLatch=0
RFAck=K
ExtAck=N
AckSpeed=20
AckFrequency=1750
AckMinTime=4
AckDelay=1000
AckLevel=50
# Timeout=500
TimeoutLevel=80
CTCSSFrequency=77.0
CTCSSThreshold=12
# CTCSSHighThreshold=30
# CTCSSLowThreshold=20
CTCSSLevel=20
KerchunkTime=1
HangTime=4
AccessMode=2
# LinkMode=1 to remove almost all of the logic control
LinkMode=0
COSInvert=1
NoiseSquelch=0
SquelchThreshold=20
# SquelchHighThreshold=30
# SquelchLowThreshold=20
RFAudioBoost=4
MaxDevLevel=25
ExtAudioBoost=3
ModeHang=20
#TXHang=2000
#RXHang=3000
[POCSAG]
Enable=0
Frequency=439987500
[FM Network]
Enable=1
Protocol=USRP
LocalAddress=127.0.0.1
LocalPort=22346
GatewayAddress=127.0.0.1
GatewayPort=22345
PreEmphasis=1
DeEmphasis=1
TXAudioGain=0.7
RXAudioGain=1.0
ModeHang=20
Debug=0
LinkMode=1
HangTime=20
[POCSAG Network]
Enable=0
LocalAddress=127.0.0.1
LocalPort=3800
GatewayAddress=127.0.0.1
GatewayPort=4800
ModeHang=5
Debug=0
[AX.25]
Enable=0
TXDelay=300
RXTwist=6
SlotTime=30
PPersist=128
Trace=0
[AX.25 Network]
Enable=0
Port=/dev/ttyp7
Speed=9600
Debug=0