User's Manual

SATELLAR Radio Unit User manual v.0.7
11
2 SATELLAR RADIO UNIT TECHNICAL SPECIFICATIONS
Common radio parameters
Frequency range Depends on the frequency variant, see chapter 8
for more information
Channel width 12.5 and 25 kHz, selectable by software
Carrier frequency setting Frequency programmability in 6.25 kHz steps
Carrier frequency accuracy (over temperature): +/-2.5 ppm
Carrier frequency long term stability +/-2.0 ppm/3 years
Latency (in transparent mode)
(25 kHz, serial port speed 19200 bits/s, over-the-air
encryption off, FEC off)
< 11 ms
Modulation methods 2-, 4-, 8-, and 16-FSK
Forward error correction (FEC) Off, code rate 1/2, code rate 2/3
Interleaving TBD
Over-the-air encryption AES 128 bit (CTR-mode)
Transmitter parameters
Output power 100 mW …1 W,
adjustable by software,
steps: 10 mW or 0.5 dB
Adjacent channel power: Typically < -62 dBc
(meas. method EN 300 113)
Air speed
bits/s @12.5 kHz bits/s @ 25 kHz
2-FSK 4800 9600
4-FSK 9600 19200
8-FSK 14400 28800
16-FSK 19200 38400
Receiver parameters
Sensitivity
Channel spacing /
modulation
BER / FEC
10e-3 10e-6
off 67 % 50 % off 67 % 50 %
25 kHz / 16-FSK TBD TBD TBD TBD TBD TBD
25 kHz / 8-FSK TBD TBD TBD TBD TBD TBD
25 kHz / 4-FSK TBD TBD TBD TBD TBD TBD
25 kHz/ 2-FSK TBD TBD TBD TBD TBD TBD
12.5 kHz / 16-FSK TBD TBD TBD TBD TBD TBD
12.5 kHz / 8-FSK TBD TBD TBD TBD TBD TBD
12.5 kHz / 4-FSK TBD TBD TBD TBD TBD TBD
12.5 kHz / 2-FSK TBD TBD TBD TBD TBD TBD
Co-channel rejection
Channel spacing /
modulation
BER / FEC
10e-3 10e-6
off 67 % 50 % off 67 % 50 %
25 kHz / 16-FSK TBD TBD TBD TBD TBD TBD
25 kHz / 8-FSK TBD TBD TBD TBD TBD TBD
25 kHz / 4-FSK TBD TBD TBD TBD TBD TBD