4RF Aprisa SR Plus Product Description - page 39
Specifications | 37
Aprisa SR+ Product Description
Transmitter
Average Power output
64 QAM
0.01 to 2.5 W (+10 to +34 dBm, in 1 dB steps)
Note: The Peak Envelope Power
(PEP) at maximum set power
level is +41 dBm.
16 QAM
0.01 to 3.2 W (+10 to +35 dBm, in 1 dB steps)
QPSK
0.01 to 5.0 W (+10 to +37 dBm, in 1 dB steps)
4-CPFSK
(Note 1)
0.01 to 10.0 W (+10 to +40 dBm, in 1 dB steps)
Note 1: Please consult 4RF for availability
Note: The Aprisa SR+ transmitter contains power amplifier protection which allows the antenna to be
disconnected from the antenna port without product damage.
Adjacent channel power
Transient adjacent channel power
Spurious emissions
Attack time
Release time
Data turnaround time
Frequency stability
± 1.0 ppm
± 0.1 ppm
The 220 / 896 / 928 MHz products have a
frequency stability option of ± 0.1 ppm.
Frequency aging
Modem
Forward Error Correction
Variable length concatenated Reed Solomon
plus convolutional code
Adaptive Burst Support
Adaptive FEC
Adaptive Coding Modulation
Data Payload Security
Data payload security
CCM* Counter with CBC-MAC
Data encryption
Counter Mode Encryption (CTR) using Advanced
Encryption Standard (AES) 128, 192 or 256
Data authentication
Cipher Block Chaining Message Authentication
Code (CBC-MAC) using Advanced Encryption
Standard (AES) 128, 192 or 256