Some informative ICERA commands

[Enrico Mioso]

Hi all guys!
Just to contribute, I'm posting some informations regarding "informative" 
commands for ICERA modems.
Might be they're not useful for ModemManager itself, but might be for other 
purposes.

1 - Temperature sensors query
  at%itemp?
  Command, will let you know some hints about modem temperature.
  In my case:
  at%itemp?
  %ITEMP:gsm=328K (327K) wcdma=327K (327K) external=358K (358K) internal=324K (32)
2 - at%IRESET
  Resets modem.

Then, there are some commands returning stats I don't have the knowledge to 
understand right now, such as:
Command: at%hspacat?
Answer: %HSPACAT: 10, 6

Command: at%UMA_EDCH_STATS?
Answer: nb_holes=0 nb_retx=0 nb_not_happy=0 nb_happy=0 
nb_scaled_cm=0 nb_ack_cm=0 nb_nack_cm=0 nb_retx_cm=0 tti_max_rtt=0

Command: at%loopback=?
Answer: %LOOPBACK=Type, Mode, [MinSize], [Max

Type = [1:Muxed]

Mode = [1:Upload, 2:Download, 3:Uploa

[Option] with Mode = 2 and Mode = 3 o
Size  = random size by frame (Min=Max
Delay = random delay between two sent

Command: at%FDDCL?
Answer: AT%FDDCL - activation status:0
Command: at%RFRXATT?
Answer: AT%RFRXATT - 3G Main RX Attenuation i
AT%RFRXATT - 3G Diversity RX Attenuat
AT%RFRXATT - 2G RX Attenuation is 0 d

Probably this happens due to inappropriate conditions.

Command: at%UARFCN=?
Answer: %UARFCN = (0-1),<uarfcn_value>, (0-15), <psc0>, <psc1>, ... <psc15>

Command: at%irel?
Answer: AT%IREL: 6

Command: at%ISETEDGE?
Answer: AT%ISETEDGE:EDGE activated = TRUE


And then lots of other controversial commands I omit / don't understand.
Some interesting ones (might be because of their names):
at%RXANTSWAP -> swap rx antennas?
Or
at%iaircraft?

Hoping someone can investigate and understand more things!
Comments are welcome!