User's Manual

March 1, 2002 Page G2
ARCi Link Budget Parameters
Upstream minimum typical maximum
Vyyo WMU output spec (dBmV) +8 +58
IFL coax loss - Belden 9116 (calculate; length limited by downstream) 1.42 dB/100 ft @ 55 MHz
ARCi CPE IF input (dBmV) +18 +58
ARCi CPE RF output (dBm) -27 +13
ARCi CPE Tx antenna gain (dBi) 11
Path (calculate)
ARCi Hub Rx antenna gain (dBi) 16
ARCi Hub RF input level (dBm) -95 -85
ARCi Hub RF output level (dBm) -48 -38 47 dB gain
ARCi Hub RF output level (dBmV) 0 +10
IFL coax loss – Belden 1189A (calculate; length limited by downstream) 1.42 dB/100 ft @ 55 MHz
Vyyo WMTS input spec (dBmV) -15 +10 +35
Downstream
Vyyo WMTS output spec (dBmV) +20 +40
Cadco upconverter input (dBmV) +38 +45
Cadco upconverter output (dBmV) +50 +60 +65
IFL coax loss – Belden 1189A (calculate; 15 dB max loss) 4.57 dB/100 ft @ 550 MHz
ARCi Hub IF input (dBmV) +50
ARCi Hub RF output (dBm) +16
ARCi Hub Tx antenna gain (dBi) 13 EIRP = +30 dBm
Path (calculate)
ARCi CPE Rx antenna gain (dBi) 22
ARCi CPE RF input level (dBm) -92 -52
ARCi CPE IF output level (dBm) -52 -12 40 dB gain
ARCi CPE IF output level (dBmV) -4 +36
IFL Coax Loss - Belden 9116 (calculate; 15 dB max loss) 4.57 dB/100 ft @ 550 MHz
Vyyo WMU input spec (dBmV) (QPSK) -20 +35