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

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?

0 Detached 1 Not registered 2 Registered 3 Registration denied

Read a Text Message

AT+SBDRT

Remove Flow Control

AT&K0

Stock text message in buffer

AT+SBDWT=Hello World

Short Burst Data: Status

AT+SBDS
like +SBDS: 1, 33, 0, -1

Short Burst Data: Status Extended

AT+SBDSX
- like +SBDSX: 1, 33, 0, -1, 0, 0

Trafic Management status

AT+SBDLOE

like +SBDLOE:0,0

Short Burst Data: Gateway

+SBDGW
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".

Raw sat

Contents