User's Manual

CDU-650 Technical specification
12/19
Confidential
This document is the sole and exclusive property of C-motech.
Not to be distributed or divulged without prior written agreement.
1xEV-DO RX & TX specifications
Receiver Specifications
Cellular USPCS
Frequency range (MHz) 869.94 ~ 893.37 1931.25 ~ 1990.00
Receiver Sensitivity
FTAP Rate = 307.2 kbps 2Slot QPSK
FTAP Rate = 2457.6 kbps 1Slot 16QAM
Under -105.5dBm, 0.5%
@ -25dBm 0.5%
Single Tone Desensitization Under -102.4dBm
Inter-Modulation
@Tone Power -43dBm Under -102.4dBm Under -102.4dBm
@Tone Power -32dBm Under -91.4dBm
@Tone Power -21dBm Under -80.4dBm
Transmitter Specifications
Cellular USPCS
Frequency range (MHz) 824.64 ~ 848.37 1851.25 ~ 1910.00
Output Power (dBm/1.23MHz) 23 ~ 30 (Class 3) 23 ~ 30 (Class 2)
Frequency Bandwidth 1.23MHz
Time Reference Within ±1.0μs
Waveform Quality Over 0.944
Frequency Accuracy Within ±300 Within ±150Hz
Spurious Emission Limits
Offset Freq @ +/- 900kHz Under -42dBc / 30kHz
Offset Freq @ +/- 1.25MHz Under -42dBc / 30kHz
Offset Freq @ +/- 1.98 MHz Under -54dBc / 30kHz Under -50dBc / 30kHz