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SATEL OY
// SATELLAR MANUAL // RADIO UNIT // USER GUIDE // V. 1.8
7. Settings
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7.2 Radio settings
RX Frequency
RF frequency of the receiver in MHz, e.g. 451.106250 MHz: can be adjusted by a numeric
editor.
TX Frequency
RF frequency of the transmitter in MHz, e.g. 451.106250 MHz: can be adjusted by a numeric
editor.
RF Output Power
RF output power in mW. Adjustable between 0.1 – 5W. (With QAM-radio these are peak
values)
Signal Threshold
Received signal threshold level used in handshaking and in packet mode medium access
control (chapters 6.6.2 and 6.5.1).
Over-the-Air Encryption
Can be either OFF or ON. In addition AES128/AES256 can be selected.
Forward Error Correction
Can be selected from a predefined list of OFF, rate 67 %, and rate 50 %. Forward error
correction is used together with interleaving. See chapter 5.2 for more information.
Trellis Coding
Can be set ON or OFF. See chapter 5.2 for more information (only with QAM-radios)
Channel Spacing
FSK-radio: 12.5, 25, 150 kHz. QAM-radio: 6.25, 12.5, 25 kHz
Air Speed
Can be selected from a predefined list that depends on the selected channel spacing
and available modulation methods as explained in chapter 5.2. If the channel spacing is
changed the air speed needs to be changed as well.
Table 7.1
Modem Settings, Radio
Figure 7.3 Radio settings view; WWW interface
Figure 7.4 Modem Settings, Radio; by CU interface
