Comtech EF Data SDM-309B - Manual (Page 126)

Theory of Operation SDM-309B Satellite Modem
5-5–2 MN/U-SDM309B Rev. #
Spurious and Harmonics -50 dBc minimum in band, 40 dBc
minimum out of band
Output Power Level Range -5 to-30 dBm
Output Power Adjustment 0.5 dB
Step Size
Output Stability ± .5 dB over -5 to -25 dBm
±1 dB over -25 to -30 dBm
Output Impedance 75
! (50 Optional)
Output Return Loss 20 dB Minimum
Differential Encoding 2 Phase or None
FEC Encoding Convolutional - Rate 7/8, 3/4, or 1/2
I/O Connector DIN - 96 pin