Technical Specifications; Rf Specificatons - Comba Telecom RF-9122 Equipment Manual

EQUIPMENT MANUAL FOR RF-9122 GSM900-GSM1800 FSR

2.6 TECHNICAL SPECIFICATIONS

2.6.1 RF SPECIFICATONS

Working Frequency, Uplink – [MHz]
- P-GSM900
- E-GSM900
Working Frequency, Downlink – [MHz]
- P-GSM900
- E-GSM900
Link Frequency, Uplink – [MHz]
Link Frequency, Downlink – [MHz]
Number of Channels
Maximum Gain – [dB]
- Direct Coupling Master Unit
- Wireless Coupling Master Unit
- Remote Unit (IC)
- Remote Unit (EC)
Gain Adjustment Range – [dB]
Pass Band Ripple, p-p – [dB]
within any 15MHz bandwidth
Output Power per Ch, DL - [dBm]
- Direct Coupling Master Unit
- Wireless Coupling Master Unit
- Remote Unit (IC)
- Remote Unit (EC)
Output Power per Ch, UL - [dBm]
- Direct Coupling Main Unit (IC)
- Wireless Coupling Master Unit, 2 Ch
- Remote Unit
Spurious and Intermodulation – [dBm]
- 9kHz - 1GHz
- 1 - 12.75 GHz
Noise Figure, @Max. Gain – [dB]
Frequency Error – [Hz]
Group Delay – [µsec]
- Master + Remote Units
Minimum Channel Spacing – [kHz]
- within working band or link band
Absolute Max. RF Input Power – [dBm]
VSWR
Impedance – [Ω]
RF-9122T18 QE
ENU Status : 1-0-0
Table 2: RF specifications
Copyright - refer to title page
890 – 915
880 - 915
935 – 960
925 - 960
1710- 1785
1805 - 1880
2
40 ± 2
105 ± 2
105 ± 2
108 ± 2
30 ± 1.0 (1dB step)
≤ 3
40 ± 1
40 ± 1
40 ± 1
43 ± 1
-10 ± 1
33 ± 1
40 ± 1
≤ -36
≤ -30
≤ 5.0 (typ.4)
≤ ±45
≤ 20
≥600
+10
≤ 1.5 (typ. 1.4)
50
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