User`s guide
Features
23
Mobile/Cellular features and protocol support
Key cellular features in cellular-enabled Digi devices include:
 GSM: GPRS, EDGE, UMTS, HSPA, SMS
 CDMA: 1xRTT, Ev-DO (Revs 0 and A)
 IPSec ESP / IKE
 IP Pass-through, also known as bridge mode
 3-5 Volt SIM card
 Signal-strength LEDs
Provisioning wizard
For Digi devices equipped with a Code-Division Multiple Access (CDMA)-based cellular modem, 
the Mobile Device Provisioning Wizard is available in the web interface to properly configure the 
Digi device with the required configuration used to access the mobile network. The wizard allows 
for both automatic and manual provisioning for a variety of mobile service providers.
Digi SureLink™
Digi Connect Family, Digi Cellular Family, and ConnectPort X Family products support the Digi 
SureLink™ feature. Digi SureLink provides an “always-on” mobile network connection to ensure 
that a Digi device is in a state where it can connect to the network. It does this through hardware 
reset thresholds and periodic tests of the connection. 
Mobile/Cellular protocols
Mobile/cellular protocols supported include, unless otherwise noted:
 Global System for Mobile communication (GSM)
 General Packet Radio Service (GPRS)
 Enhanced Data Rates for GSM Evolution (EDGE)
 Universal Mobile Telecommunications Service (UMTS)
 High Speed Packet Access (HSPA)
 Code-Division Multiple Access (CDMA)
 Evolution-Data Optimized (EV-DO, EVDO, or 1xEV-DO)
 Short Message Service (SMS), currently for GSM cellular products only. Digi cellular 
gateways implement an SMS-based protocol that allows managing devices by sending 
SMS commands from anywhere SMS messages can be sent. See "Short Message 
Service (SMS) settings" on page 116.










