Issue connecting device using EM7430 LTE module where LTE came up OK, but quickly lost signal strength

IoT Modules MC/EM Series
1

Issue with Signal Strength:
EM7430 Module LTE connection came up OK, but quickly lost signal strength, what could goes wrong?

2

You didn’t give us much details.

Can you provide:
at!gstatus?
at+cgcontrdp
at+cgdcont?
at!priid?

you can monitor the signal strength with at!gstatus? before and after the issue happens.

3

Here you go:
at!gstatus?
!GSTATUS:
Current Time: 336547 Temperature: 53
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B2 LTE bw: 15 MHz
LTE Rx chan: 1025 LTE Tx chan: 19025
LTE CA state: NOT ASSIGNED
EMM state: Registered Normal Service
RRC state: RRC Idle
IMS reg state: No Srv

PCC RxM RSSI: -80 RSRP (dBm): -111
PCC RxD RSSI: -81 RSRP (dBm): -112
Tx Power: 0 TAC: 3A69 (14953)
RSRQ (dB): -12.3 Cell ID: 01421808 (21108744)
SINR (dB): 4.0

OK

at+cgcontrdp

+CGCONTRDP: 1,5,iot.tmowholesale,26.195.191.156,10.177.0.34,10.177.0.210

OK
at+cgdcont?

+CGDCONT: 1,“IP”,“iot.tmowholesale”,“0.0.0.0”,0,0,0,0

OK

at!priid?

PRI Part Number: 9905229

Revision: 001.005

Customer: Generic-M2M

Carrier PRI: 9999999_9904609_SWI9X30C_02.24.03.00_00_GENERIC_002.021_000

OK

at+csq

+csq: 17,99

OK

4

Your RSRP is not the best but should be sufficient for some light data.
Everything looks normal, did you capture !GSTATUS? when you lost the signal?
Maybe you are having issues between the modem and host.