CNI CNI-803D, Руководство пользователя, Страница: 3 / 16

3
!
Basic specification
- Dimension : 70
×
47
×
9mm
- Weight : 37 g
- Supply voltage : 5V
- RF protocol : RD_LAP19.2 on Data TAC4000
&
5000
Μ∆Χ4800 ον ∆ατα ΤΑΧ4000
- Host protocol : NCL1.2
2. Specification and features
A. Environment
- Operation temperature : -30 ~ +60
- Storage temperature : -35 ~ +80
- Humidity : normal operation after 8 hours storage in 95% non-
condensed
B. General RF specifications
- Modulation : 4FSK for RD-LAP
2ΦΣΚ φορ Μ∆Χ
- Mode : half-duplex
- Bit rate : 19200bps for RD_LAP, 4800bps for MDC
C. Radio interface
- Channel spacing : 25KHz
- Bandwidth : 20KHz
D. Transmitter
Frequency : 806 ~ 821 MHz
Transmit power : 2Watt
Frequency stability : 2.5ppm
Modulation stability :
±
10%
FM deviation : 5.6KHz for RD_LAP (Logic +3+3-3-3)
2.5KHz for MDC (Logic +1-1)
Harmonic and Spurious Emission : -60dBc
RX to TX Transition Time : 8ms
E. Receiver
Frequency : 851 ~ 866MHz
Sensitivity Static : -114dBm for the MDC
: -94dBm for the RD_LAP
Adjacent and Alternate Channel Selectivity : 40dB/45dB for the Data
55dB/60dB for the Tone
CO-Channel Decode Ratio : 8dB for the MDC
: 16dB for the RD_LAP
Spurious Response Attenuation : 60dBc
Image Frequency rejection : 50dBc