15
SATEL OY
// SATELLAR MANUAL // RADIO UNIT // USER GUIDE // V. 1.8
2. Technical specifications
3
2. Technical specifications
Common radio parameters
Frequency range
360 – 485 MHz (Ask the availability from manufacturer)
Tuning range MHz
45 / 50 (360 - 405/400 - 445/400-450/440 - 485 MHz)
Channel width
FSK-radio: 12.5, 25, 150 kHz selectable by software
QAM-radio: 6.25, 12.5, 25 kHz selectable by software
Carrier frequency setting
Frequency programmability in 6.25 kHz steps
Carrier frequency accuracy
(over temperature)
+/-1.0 ppm *)
Carrier frequency long term stability
+/-2.0 ppm/3 years
Latency (in transparent mode)
< 18 ms (25 kHz, serial port speed 19200 bits/s, over-the-air
encryption off, FEC off)
Duplexity
Half-duplex
Modulation methods
FSK-radio: 4-, 8- and 16-FSK
QAM-radio: 2-, 4-, 8-, 16-, 32- and 64-QAM
Forward error correction (FEC)
Off, code rate 0.67, code rate 0.5
NOTE! FEC not available with 16-FSK or with QAM modulation
Trellis coding
Supported for 8-, 16-, 32- and 64-QAM modulation
Interleaving
8 x 96 bits
Over-the-air encryption
FSK-radio: AES 128 bit (CTR-mode)
QAM-radio: AES 128 / 256 bit (CTR-mode)
*) At the factory
Transmitter parameters
Output power
FSK-radio unit
QAM-radio unit
0.1…5 W adjustable by software, Steps: 0.1, 0.2, 0.5, 1, 2, 5 W
0.1…5 W adjustable by software, Steps: 0.1, 0.2, 0.5, 1, 2, 5 W
(peak power ratings due to QAM modulation). Average power at max
peak power level is ~1W.
Adjacent channel power:
Typically < -63 dBc (meas. method EN 300 113/EN 301 166)
Duty cycle ar max. power
100 % up to 60
o
C, 50 % up to 70
o
C
