4 GSM channels, up to 4 SIM cards
For call termination (VoIP to GSM) and origination (GSM to VoIP)
Standard SIP & H.323 protocol, Communicates with other gateway or...
External GPRS GSM Modem ML8021 is a Quad-band GSM/GPRS engine that works at frequencies GSM850MHz, GSM900MHz, DCS1800MHz and PCS1900MHz.
The ML8021 features GPRS multi-slot class 12 and supports the GPRS coding...
2. Quad-band EGSM 850/900/1800/1900MHz
3. GPRS/EDGE CLASS 12
Downlink up to 7.2Mbps
Uplink up to 384Kbps
Downlink/Uplink up to 384Kbps
Downlink up to 236.8Mbps
Uplink up to...
900 MHz, 1800 MHz, 1900MHz
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
Line Echo Cancellation
VLAN and QoS support
NAT Transversal and Router functions
• Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. The band can be set by AT COMMAND, and default band is EGSM 900 and DCS 1800
• GPRS multi-slot class 10
• Compliant to GSM phase...
CAPABLE OF WIRELESS DATA SPEEDS UP TO 85.6 KBPS
LOW POWER CONSUMPTION EXTENDS BATTERY LIFE
DIAL-UP NETWORKING (DUN) MODES
RECEIVE AND SEND SMS MESSAGES, VOICE AND FAX SUPPORT
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