4 LNB's satellite distribution system for MDU over 1 fiber - DWDM- High Power


Best satellite optical distribution system for large MDU applications

L-Band signal to almost an unlimited number of end points. In correlation with using triple play CWDM passives, it is possible to transport 4 L-bands and bidirectional gigabit ethernet over one single mode fiber.
Satellite distribution systems specifically designed for MDU / MTU and Fiber to the home applications. System can supply Satelitte TV up to 5000 houses from one dish


Product Features  

  •  Up to 4 L-Band RF feeds from satellite antenna over single fiber

  •  Wide frequency response 45-3000 MHz: model specific

  •  Compatible with multiple providers such as DirecTV & Dish

  •  Designed for use with Single Wire Multiswitch & Polarity Lockers

  •  High optical power output > 6 dBm signal strength output

  • DWDM internally multiplexed signal for use with EDFA amplifiers

  • It could be used together with EPON or GPON for TV and Ethernet distribution

- Fiber to the home application FTTH, FTTP,

- STTH (Sattelite to the home) - (SATV + Etherent over singlefiber)

- LTTH ( L-Band the the Home) 


Application Drawing



Thor LTTH (L-Band to the Home) systems allow community developers and MDU operators to offer residents satellite TV and high speed internet services without the need to install satellite antennas at each location.  LTTH uses a single master satellite Antenna as the signal source and distributes the complete antenna signal including multiple polarities over a single strand of singlemode fiber optic cable (SM-FOC).  LTTH is similar to Thor FTTH and other fiber to the home systems, but is designed specifically for satellite TV distribution requiring multiple coax runs to the antenna.  Traditional FTTH systems do not operate at L-Band frequencies, and are usually based on a single optical RF channel at 1550nm.  LTTH is based on multiple RF laser transmitters with all optical multiplexers and passives built into the unit.  All RF inputs are combined into a single fiber optic output that can be amplified and distributed through multiple levels of EDFAs and PLCs.  LTTH allows delivery of higher bandwidth satellite TV services with the convenience of terrestrial cable FTTH type architectures.


PDF Datasheet
PDF Specsheet


Learn more about THOR-LTTH (L-Band to the Home)

Basic LTTH System Architecture PDF

Advanced LTTH Headend Design PDF

Redundant Tx LTTH Rack Design PDF


Product Specifications Model# F-LB41-DWTX
*All Specifiactions Subject to Change Without Notice
RF Inputs 4x Type-F 75 Ohm
Frequency Range 950-2400 MHz
250-2800 MHz
45-3000 MHz
RF Input Power Level (-25) - (+14) dBmV
Optical Wavelengths Available (nm) ITU-100GHz Channel Spacing
1577.03 1547.72 1562.23 1533.47 1569.59 1540.56 1554.94
1576.20 1546.92 1561.42 1532.68 1568.11 1539.77 1554.13
1575.37 1546.12 1560.61 1531.90 1567.95 1538.98 1553.33
1574.54 1545.32 1559.79 1531.12 1567.13 1538.19 1552.52
1573.71 1544.53 1558.98 1530.33 1566.31 1537.40 1551.72
1572.89 1543.73 1558.17 1529.55 1565.50 1536.61 1550.92
1572.06 1542.94 1557.36 1528.77 1564.68 1535.82 1550.12
1571.24 1542.14 1556.56 1527.99 1563.86 1535.04 1549.32
1570.42 1541.35 1555.75 1527.22 1563.05 1534.25 1548.52
1526.44 1525.66 1524.89 1524.11 1523.34 1522.56 1521.79
Optical Output Port Options 1x SC/APC
*Multiple Outputs by Request
Optical Output Power Level +6.0 dBm  ±1.0 dB
Optional Features Secondary Power Supply
Internal EDFA Preamplifier
Internal Amp & Coupler
Power Supply 110 / 220 VAC External 12VDC
Power Consumption >25W
Dimensions 263 x 198 x 35 mm
Weight 1.75 kg
Operating Temperature 0 - 65 C



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Contact us

Thor Broadcast Sales

Email: Sales@ThorFiber.com
Phone: 1(800)521-THOR (8467) Ext 1
FAX: 1(800)521-6384

Customer Service/ Support

Phone: 1-800 521-THOR(8467) Ext 2
Email: Support@ThorFiber.com