RACOM RipEX2, User Manual

Page: 195 / 248

9. Technical parameters
Tab. 9.1: Technical parameters
Radio parameters
135 – 175 MHz
285 – 335; 335 – 400 MHz
400 – 470; 450 – 520 MHz
803 – 897; 868 – 960 MHz
Frequency bands
6.25; 12.5; 25; 50; 100; 150; 200; 250; 300 kHz Channel spacing
±0.5 ppm
±0.01 ppm with internal GPS (optional) or external time
sychronisation,
see details
Frequency stability
QAM: 256QAM; 64QAM; 16DEQAM; D8PSK; π/4DQPSK; DPSK
FSK: 4CPFSK; 2CPFSK,
see details
Modulation
2/3; 3/4; 5/6; Off
Trellis code with Viterbi soft-decoder FEC (Forward Error Correction)
Gross data rate (data speed)
1)
Gross data rate (modulation rate)
[kb/s]
Channel spacing
[kHz]
42 6.25
83 12.5
167 25
333 50
555 100
925 150
1111 200
1389 250
2)
1736 300
2)
Transmitter
QAM: 0.1 – 5.0 W (20 – 37 dBm) RMS in 1dB step
3)
FSK: 0.1 – 10 W (20 – 40 dBm) in 1dB step
see details
RF Output power
Continuous Duty cycle
< 2 ms @ 6.25 kHz channel
< 1.0 ms @ 12.5 kHz channel
< 0.7 ms @ 25 kHz channel
Rx to Tx Time
> 40 dB, > 70 dB (with external circulator / isolator) Intermodulation Attenuation
< -36 dBm Spurious Emissions (Conducted)
< -36 dBm Radiated Spurious Emissions
< -60 dBc Adjacent channel power
< -60 dBc Transient adjacent channel power
Receiver
-117 dBm (12.5 kHz; 2CPFSK; BER 10
-6
; 3/4 FEC)
see details
Sensitivity
195 © RACOM s.r.o. – RipEX2 Radio modem & Router
Technical parameters