I am using a WP7702 module which I try to connect to an LTE-M1 network. The module is fully compliant with 3GPP Release 13 thus I expect to see a device receive bandwidth of 1.4MHz, how-ever when looking at
AT!GSTATUS? is shows
LTE bw: 10 MHz, which I do believe is not LTE-M1, but LTE-WB instead.
ATSELCIOT=6 to ensure
LTE-WB is disabled, but have no way of knowing if this is actually enforced. I have not found a status command which give clues in the actual LTE operating mode and Cellular IoT (CIOT) operating mode in use.
root@swi-mdm9x28-wp:~# microcom /dev/ttyAT AT!GSTATUS? !GSTATUS: Current Time: 826 Temperature: 33 Modem Mitigate Level: 0 ModemProc Mitigate Level: 0 Reset Counter: 1 Mode: ONLINE System mode: LTE PS state: Attached IMS reg state: UNKNOWN IMS mode: Not Support IMS Srv State: UNKNOWN SMS,UNKNOWN VoIP LTE band: B20 LTE bw: 10 MHz LTE Rx chan: 6400 LTE Tx chan: 24400 LTE CA state: INACTIVE EMM state: Registered Normal Service RRC state: RRC Idle PCC RxM RSSI: -62 RSRP (dBm): -89 PCC RxD RSSI: -62 RSRP (dBm): -140 Tx Power: -- TAC: F489 (62601) RSRQ (dB): -9 Cell ID: 007CF70B (8189707) SINR (dB): 20.0 OK AT!GETBAND? !GETBAND: LTE B20 OK AT!SELCIOT? Current Operating Mode: 0x6 Supported Operating Modes: LTE WB: 0x01 LTE M1: 0x02 LTE NB1: 0x04 OK
root@swi-mdm9x28-wp:~# cm info Device: WP7702 IMEI: 352653090108903 IMEISV: 6 FSN: VU810385650910 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: 001.004 Carrier PRI Name: GENERIC Carrier PRI Revision: 001.071_001 SKU: 1103530 Last Reset Cause: Power Down Resets Count: Expected: 10081 Unexpected: 1
root@swi-mdm9x28-wp:~# cm radio Power: ON Current Network Operator: KPN Current RAT: LTE network (LE_MRC_RAT_LTE) Status: Registered, home network (LE_MRC_REG_HOME) Signal: Very strong signal strength (5) PS: Packet Switched Registered, home network (LE_MRC_REG_HOME)
root@swi-mdm9x28-wp:~# cm data Index: 1 APN: m2mc.webtrial PDP Type: IPV4 Connected: yes Interface: rmnet_data0 Family[IPv4]: inet IP[IPv4]: 100.126.108.176 Gateway[IPv4]: 100.126.108.177 Dns1[IPv4]: 220.127.116.11 Dns2[IPv4]: 18.104.22.168
Does anybody know how-to reveal the LTE operating mode and Cellular IoT (CIOT) operating mode which is currently in use?