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iDirect/ST Engineering SMB3315 Satellite Modem Board

iDirect/ST Engineering SMB3315 Satellite Modem Board

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The SMB3315 Satellite Modem Board is suitable for integration into highly compact COTM terminals for the government and defense, broadcast and mobility markets. It offers unprecedented performance and flexibility in a modem board with the ability to operate on either Dialog or Velocity networks, supports a broad array of mobility capabilities and is fully equipped to operate on HTS spot beams satellites.

Features of the SMB3315 

  • For operation in either Dialog or Velocity networks

  • DVB-S2 (up to 45Msps) / DVB-S2X (up to 500 Msps) outbound

  • Supports DVB-S2X MODCODS up to 64APSK

  • Return max rates up to 40Msps (SCPC), 20Msps (MxDMA)

  • Ideal for both fixed and mobility applications with peak throughput rates up to 150/70 Mbps

  • OpenAMIP and GXT file support for mobility

  • Security features with 256-bit AES Link Encryption

  • Embedded TCP acceleration, GTP acceleration and header compression

Network Configuration

Network Topology Rx Tx  
                        Dialog DVB-S2/DVB-S2X* MF-TDMA Mx-DMA HRC Mx-DMA MRC SCPC
Modulation QPSK, 8PSK, 16APSK,
Symbol Rates 1 Msps to 500 Msps Up to 7.6 Msps Up to 20 Msps Up to 25 Msps 1 Msps to 64 Msps
                     Velocity DVB-S2 Adaptive TDMA
Modulation QPSK, 8PSK, 16APSK, 32APSK BSPK, QSPK, 8PSK
Symbol Rate 1 Msps - 45Msps Up to 7.5 Msps

Modem Interfaces

Tx Interface
Connector SMA 50 Ohm
Frequency range 950-2400 MHz
TX level

-55 dBm to +5 dBm (Dialog)
-45 dBm to + 5 dBm (Velocity

BUC power supply

24V / 4A or 43~44VDC 3.5A
software selectable

BUC reference

10/50 MHz

BUC reference leve +3 dBm

Rx Interface

Connector SMA 50 Ohm
Frequency 950-2150 MHz
LNB power supply 13/18VDC 500mA
LNB band selection 13/18V or 22kHz tone, programmable
LNB polarization selection 13/18V or 22 kHz tone, programmable
Data Interface

LAN: Four 10/100/1000 Mbps Ethernet, auto MDI/MDIX

Management Interface

I/O header, 20 pin connector (includes reset function)
Power & Status signaing connector (14 pin)


 Protocols Supported
UDP, IPv4 & IPv6, ICMP, TCP, IGMPv1, IGMPv2, ARP, DHCP, DNS, NTP, BGP, NAT, Diffserv Marking

Multilingual Web GUI

 Manage web GUI via configurable management IP address

Mechanical and Environmental

Dimensions W 18.2 cm x D 23.5cm x H 2.0 cm
(W 7.2 in x D 9.2 in x H 0.79 in)
Weight 0.4 kg (0.88 lbs)
Operating -25° to +55°C (-13° to +131°F)
(subject to adequate heatsinking)
Storage -40° to +60°C (-40° to +140°F)
Operating  5 - 95% non-condensing

Power Supply

Power Supply 24 VDC
Power Consumption <30W

Development Kit

 CAD drawings
 Thermal & Mechanical design guidelines
 Electrical interface specification

  SMB3315 Satellite Modem Board

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