WP7702 Issue Between Radio and GNSS

with WP77 module FW 14, if network lost, I can see there is NMEA data at 1Hz at “cat /dev/nmea” after AT!GPSFIX=1,255,50


root@fx30:~# cm radio
Power:                         ON
Current Network Operator:      
Current RAT:                   Module not registered on network, RAT not available
Status:                        Not registered and not currently searching for new operator (LE_MRC_REG_NONE)
Signal:                        No signal strength (0)
PS:                            Packet Switched Not registered (LE_MRC_REG_NONE)

root@fx30:~# cm info
Device:                        WP7702
IMEI:                          352653090002791
IMEISV:                        6
FSN:                           VU735370340201
Firmware Version:              SWI9X06Y_02.36.06.00 63d944 jenkins 2020/12/10 19:12:28
Bootloader Version:            SWI9X06Y_02.36.06.00 63d944 jenkins 2020/12/10 19:12:28
MCU Version:                   002.015
PRI Part Number (PN):          9907365
PRI Revision:                  001.001 
Carrier PRI Name:              GENERIC
Carrier PRI Revision:          001.071_001
SKU:                           1103530
Last Reset Cause:              Reset, User Requested
Resets Count:                  Expected: 388	Unexpected: 28
root@fx30:~# cat /dev/nmea
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGRS,,,,,,,,,,,,*51
$GPGLL,,,,,,*50
$GPGGA,,,,,,0,,,,,,,,*66
$PQXFI,,,,,,,,,,*56
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,*50
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGRS,,,,,,,,,,,,*51
$GPGLL,,,,,,*50
$GPGGA,,,,,,0,,,,,,,,*66
$PQXFI,,,,,,,,,,*56
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,*50
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGRS,,,,,,,,,,,,*51
$GPGLL,,,,,,*50
$GPGGA,,,,,,0,,,,,,,,*66
$PQXFI,,,,,,,,,,*56
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,*50
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGRS,,,,,,,,,,,,*51
$GPGLL,,,,,,*50
$GPGGA,,,,,,0,,,,,,,,*66
$PQXFI,,,,,,,,,,*56
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,*50
^C