COMBA CriticalPoint V3 7 BDA - V3 Bda Rf Specifications

CRITICALPOINT 700/800MHZ BDA/DAS/BBU V3 USER MANUAL
©2024 Comba Telecom. All Rights Reserved.
568 Gibraltar Drive, Milpitas, CA 95035 | +1 408 526 0180
Rev. 1-0-2 Rev. Date: 11-1-2024
Page: 24
1.3 V3 BDA RF SPECIFICATIONS
700MHz
800MHz
Passband (Downlink / Uplink)
Certified by FCC*
MHz
US Class A: 769 – 775 / 799 – 805
US Class B: 758 – 775 / 788 – 805
CA Class A: 768 – 776 / 798 – 806
CA Class B: 768 – 776 / 798 – 806
US Class A: 851 – 861 / 806 – 816
US Class B: 851 – 861 / 806 – 816
CA Class A: 851 – 869 / 806 – 824
CA Class B: 851 – 869 / 806 – 824
Total Output Power, Uplink
dBm
27
Total Output Power, Downlink
dBm
27 / 33
27 / 33
Maximum System Gain (Uplink /
Downlink)
dB
90
90
Gain Adjustment Range (1dB step) **
dB
60-90 / 35-65 / 10-40
(Under different gain limit modes)
60-90 / 35-65 / 10-40
(Under different gain limit modes)
Pass Band Ripple, p-p (Uplink /
Downlink)
dB
S0: 3, S1: 7
S0: 3, S1: 7
Uplink Noise Figure
dB
<5 (90dB Uplink Gain), <9 (67dB Uplink Gain)
Intermodulation
dBm
 -13
 -13
Spurious
dBm
FCC Compliance
FCC Compliance
Maximum RF Input Level without
Damage
dBm
0
0
Maximum RF Input Level without
Overdrive
dBm
-10
-10
Input VSWR
 2
 2
Impedance

50
50
*The actual device’s passband is limited to the duplexer configuration, refer to the part numbers section for details
**Gain adjusts down to 10dB total gain but is no longer FCC compliant for NF at that level
Class A and Specialized Filtering
Number of Filters Downlink
64 Max per single band
96 Max (shared both bands) for 700/800MHz dual band
Number of Filter Uplink
64 Max per single band
96 Max (shared both bands) for 700/800MHz dual band
Filter Bandwidth
kHz
12.5/25/37.5/50/75/100/150**
Filter
Bandwidth (kHz)
Delay(s)*
Out-of-Band Suppression
High rejection Filter Set
12.5
48
≥ 60dBc @ filter edge + 30KHz
25
30
≥ 60dBc @ filter edge + 50KHz
75
18
≥ 60dBc @ filter edge + 130KHz
75 LD
15
≥ 60dBc @ filter edge + 200KHz
Low Delay Filter Set
12.5
30
≥ 60dBc @ filter edge + 65KHz
25
27
≥ 60dBc @ filter edge + 75KHz
37.5
26
≥ 60dBc @ filter edge + 75KHz
50
26
≥ 60dBc @ filter edge + 100KHz
75
15
≥ 60dBc @ filter edge + 200KHz
100
14
≥ 60dBc @ filter edge + 200KHz
150
13
≥ 60dBc @ filter edge + 205KHz
*Actual delay number is various according to firmware version
**BDA does not comply with FCC Class A regulation if any filters that are wider than 75KHz are used. Users must use a Class B FCC
Label and register the BDA on FCC’s WEB Site. Contact Comba Customer Service for support.