Message Type 03, PMID

Proprietary NMEA message containing the gateway’s serial number (ESN or IMEI) and ID. Note that the default ID is the gateway’s serial number (ESN or IMEI)

Message format is:

$PMID,xxxxxxxxxxx,yyyyyyyyyyy*hh<CR><LF>

Where:

xxxxxxxxxxxxxxx is the gateway’s unique 11-digit ESN (CDMA/EV-DO devices only) or 15-digit IMEI (GSM/GPRS/HSPA devices only)

Note: For non-cellular devices (Wi-Fi) the gateway unique ID is generated automatically from the LAN1 MAC address.

yyyyyyyyyyyyyyy is the gateway’s ID as set by the user (maximum 15 characters)

hh is the message checksum

Example:

With CDMA/EV-DO wireless device installed, serial number is ESN:

$PMID,09604890968,09604890968*10

With GSM/GPRS/HSPA wireless device installed, serial number is IMEI:

$PMID,359475021717716,359475021717716*10