User's Manual

232 | Specifications
Aprisa SR User Manual
12. Specifications
RF Specifications
Frequency Bands
Broadcast Band
Frequency Band
Frequency Tuning
Range
Synthesizer Step
Size
VHF
136 MHz
136-174 MHz
6.250 kHz
UHF
400 MHz
400-470 MHz
6.250 kHz
Channel Sizes
Channel Size
Gross Radio Capacity
12.5 kHz
9.6 kbit/s
25 kHz
19.2 kbit/s
Transmitter
Transmit Power output
0.01 to 5.0 W (+10 to +37 dBm, in 1 dB steps)
Adjacent channel power
< -60 dBc
Transient adjacent channel power
< -50 dBc
Spurious emissions
< -37 dBm
Attack time
< 1.5 ms
Release time
< 1.5 ms
Data turnaround time
< 10 ms
Frequency stability
± 1 ppm
Frequency aging
< 1 ppm / annum
Synthesizer lock time
< 1.5 ms (5 MHz step)
Note: The Aprisa SR transmitter contains power amplifier protection which allows the antenna to be
disconnected from the antenna port without product damage.