This page explain how to use Iridium satellite constellation for short burst data messages with a rockblock device.
You'll need to pay for the monthly fee and buy credits to use this how to.
All text with these recipes will transfer without crypto. If you need crypto try Sat Messenger / RBS
Contents
Software
- See the hardware part to setup serial communication.
- Get serial communication software like coolterm or picocom.
- Setup 19200 baud and 0D 0A line feed. (Official Rock7 documentation is wrong !!)
You need to type "AT Commands" and the rockblock will answer like all modems. You can start with AT The modem will answer : OK
Send a message
AT&K0
AT+SBDWT=Hello
AT+SBDIX
Get Signal get 0-5 (rssi)
AT+CSQ
Get IMEI
AT+GSN
Request system time
AT-MSSTM
answer is like : MSSTM: 2fbb7248
Manufacturer Identification
AT+GMI ou AT+CGMI
Model Identification
AT+GMM
Revision
AT+GMR ou AT+CGMR
Geolocation Information
AT-MSGEO
Answer is like -MSGEO: 4208,168,4772,2fa14b4d
Ring status
AT+CRIS
Answer is like +CRIS:000,000 (phone/fax,SBD)
RING status extended
AT+CRISX
Answer is like +CRISX:000,000,00000000 (phone/fax,SBD,timestamp)
RING mode query
AT+SBDMTA?
Registration status
AT+SBREG
- Initiate registration status
AT+SBDREG?
- SBD registration status - 0 Detached 1 Not registered 2 Registered 3 Registration denied
AT+SBDRT
- Read a Text Message
AT&K0
- remove flow control
AT+SBDWT=Hello World
- stock text message in buffer
AT+SBDS
Short Burst Data: Status - like +SBDS: 1, 33, 0, -1
AT+SBDSX
Short Burst Data: Status Extended - like +SBDSX: 1, 33, 0, -1, 0, 0
AT+SBDLOE
Trafic Management status - like +SBDLOE:0,0
+SBDGW
Short Burst Data: Gateway - EMSS ou non EMSS
AT+CULK?
Lock status
AT+SBDI
- initiate connection to satellite - +SBDI:<MO status>,<MOMSN>,<MT status>,<MTMSN>,<MT length>,<MT
queued>
AT+SBDIX
initiate connection and transfer either way.
Rockblock +
IP 68 / 9-30V. You need :
- USB <-> serial DB9 adapter like a "Ugreen 2M USB 2.0 to Serial RS232 DB9 9Pin PL2303 Cable Adapter Converter".
