Other Amps / Hardware

Professional Level Amp: Motorola Starline BLE-100K

Link Budget



Coax Cable Signal Loss (Attenuation) in dB per 100ft*
Loss* RG-174 RG-58 RG-8X RG-213 RG-6 RG-11 RF-9914 RF-9913
1MHz 1.9dB 0.4dB 0.5dB 0.2dB 0.2dB 0.2dB 0.3dB 0.2dB
10MHz 3.3dB 1.4dB 1.0dB 0.6dB 0.6dB 0.4dB 0.5dB 0.4dB
50MHz 6.6dB 3.3dB 2.5dB 1.6dB 1.4dB 1.0dB 1.1dB 0.9dB
100MHz 8.9dB 4.9dB 3.6dB 2.2dB 2.0dB 1.6dB 1.5dB 1.4dB
200MHz 11.9dB 7.3dB 5.4dB 3.3dB 2.8dB 2.3dB 2.0dB 1.8dB
400MHz 17.3 B 11.2dB 7.9dB 4.8dB 4.3dB 3.5dB 2.9dB 2.6dB
700MHz 26.0dB 16.9dB 11.0dB 6.6dB 5.6dB 4.7dB 3.8dB 3.6dB
900MHz 27.9 B 20.1dB 12.6dB 7.7dB 6.0dB 5.4dB 4.9dB 4.2dB
1GHz 32.0dB 21.5dB 13.5dB 8.3dB 6.1dB 5.6dB 5.3dB 4.5dB
Imped 50ohm 50ohm 50ohm 50ohm 75ohm 75ohm 50ohm 50ohm
* Note: Coax losses shown above are for 100 feet lengths. Loss is a length multiplier, so a 200 ft length would have twice the loss shown above and a 50 ft length would have half the loss. 


SB5101 Motorola SurfBoard Modem Operational levels

Modulation 64 or 256 QAM
Maximum Data Rate* 38 Mbps (256 QAM at 5.361 Msym/s)
Bandwidth 6 MHzp
Symbol Rate 64 QAM 5.057 Msym/s, 256 QAM 5.361 Msym/s
Operating Level Range –15 to +15 dBmV
Input Impedance 75 Ω(nominal)
Frequency Range 88 to 860 MHz

Modulation 8***, 16, 32***, 64***, 128**** QAM or QPSK
Maximum Channel Rate** 30 Mbps (64 QAM at 5.120 Msym/s)
Bandwidth 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4*** MHz
Symbol Rates 160, 320, 640, 1280 and 2560 and 5120*** ksym/s
Operating Level Range
A-TDMA +8 to +54 dBmV (32 QAM, 64 QAM)
+8 to +55 dBmV (8 QAM, 16 QAM)
+8 to +58 dBmV (QPSK)
S-CDMA +8 to +53 dBmV (all modulations)
Output Impedance 75 Ω(nominal)
Frequency Range 5 to 42 MHz (edge to edge)


SB5101 Motorola SurfBoard Modem Links



The HCDA-1FRA High performance HCDA Series amplifiers for both the forward path as well as the return path to give you full control and flexibility with your system. The product case, and all of the ports are hermetically sealed to ensure no moisture comes in direct contact with the electronics. COMES WITH POWER SUPPLY INSERTER


  • 1 GHz Bandwidth
  • Amplifies Forward & Return Path
  • High Input Capability & Low Noise Figure
  • Ideal For Digital or Analog
  • Hermetically Sealed Case & Ports
  • Surge Protected (IEE C62.41-1991, All Ports)



HOLLAND HDCA-1 HDTV DTV Digital 1 GHz 15 dB Gain CATV Amplifier
The HCDA Series is the top of the line CATV drop/subscriber 15 dB Gain with Passive Return, 2-way Services Amplifier. Sealed “F” ports, and an RFI and hermetically sealed back plate make the HCDA amplifiers unsurpassed in environmental ruggedness. It is 2-way Services capable for PPV Programs and High Speed Internet connection to the Cable TV Modem. Install this Amplifier Inside or Out, comes with a Power Supply featuring "F" Port connections to facilitate multiple installation options using the same RG-6 cable used in the Cable TV Install. Install this Amplifier before the splitter that feeds to multiple TV set locations as to negate the loss of signal


Parts List

·         Qty=3  amps.  HCDA-1FRA        1 for spare or if you need  more gain. ( each comes with Pwr supply I think ).  If not get the pwr supply separately.  VERIFY!

·         Qty= 2   POE  just in case you need to run from Claudios and from your house.   Most likely you will end up with a spare.

·         The cable you can find on ML:

Additional Notes


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