Overview
DMB-24E-CI 12‑Tuner RF Broadcast Transmodulator (with CI Slots)
Product Overview
The DMB-24E-CI is a broadcast transmodulator supporting up to 12 independent DVB‑S/S2 satellite tuners for RF signal reception. It includes 12 CI slots for decrypting encrypted channels using CAM/CAS cards. Each input RF channel can be simultaneously output as an ASI transport stream for coaxial distribution and as an IP stream in UDP format (SPTS/MPTS). The RF output offers selectable configurations of 4, 8, or 16 carriers.
Key Features
Converts both free‑to‑air (FTA) and encrypted RF programs into alternative RF standards (e.g., DVB‑T, ISDB‑T, ATSC) and IP‑based transport streams.
Provides a web‑based management interface for easy configuration and monitoring, enabling seamless distribution of programs to local RF systems.
Typical Applications
Suitable for broadcast headends, cable TV operators, hospitality (hotels/resorts), educational campuses, healthcare facilities, and other institutions that require integrated signal conversion with conditional‑access support and flexible output formats.
Features:
Compact, High‑Density Integrated Platform – Accommodates 4, 8, or 12 DVB‑S/S2/S2X inputs, compatible with both free‑to‑air (FTA) and encrypted program signals. Equipped with embedded CI slots for decryption, the unit can demodulate and descramble multiple channels through 12 integrated DVB‑S/S2 satellite tuners featuring CI interfaces.
Demodulation, Remodulation, and Multiplexing in One – Serves not only as a transmodulator but also includes built‑in IP/ASI multiplexing functionality.
Flexible Multi‑Source Input via Modular Design – Accepts mixed signal sources through plug‑in modules, supporting up to six modules in total, with options such as:
One module: 4× FTA tuners
One module: 4× HDMI inputs
One module: 2× tuners + CI slots
Professional‑Grade Broadcasting Features – Provides robust PSI/SI table regeneration, service‑level multiplexing, and PID filtering.
Web‑Based Administration – Offers an intuitive web graphical user interface (GUI) for remote system management, configuration, and software upgrades.


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Specifications
FTA Tuners Input
DVB-T/T2 Tuner
Frequency range: 30MHz-1000Mhz
Bandwidth: 6Mhz, 7Mhz, 8Mhz
Level: -87 ~ -20dBm
Constellation: QPSK, 16QAM, 64QAM, 256QAM (Only DVB-T2)
FEC Demodulation: DVB-T: 1/2, 2/3, 3/4, 5/6, 7/8
DVB-T2: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
Guard Interval: DVB-T: 1/4, 1/8, 1/16, 1/32
DVB-T2: 1/4, 5/32, 1/8, 5/64, 1/16, 1/32, 1/64, 1/128
ISDB-T/Tb Tuner
Input frequency range: 30 ~ 900MHz
Bandwidth: 6MHz
Constellation: DQPSK, QPSK, 16QAM, 64QAM
Interleave: 0, 4, 8, 16
Guard Interval: 1/32, 1/16, 1/8, 1/4
Transmission mode: 2K, 4K, 8K (FFT)
FEC (Code Rate): 1/2, 2/3, 3/4, 5/6, 7/8
DVB-C Tuner
Input frequency range: 110 ~ 862MHz
DVB-C (J83.A, J83.C, NO Annex B)
Carrier: Annex A,Annex C
Constellation (QAM): 16, 32, 64, 128, 256, 64/256
Bandwidth (Mhz): 8, 6
Symbol Rate ( Mbaud): 5-7, 4.2-5.3
Tuner interface: Connecter F-female type
DVB-S/S2/S2X Tuner
Input frequency: 950-2150Mhz
Symbol rate: 1~54MSps (DVB-S QPSK)
1~60MSps (DVB-S2/S2X QPSK)
1~60MSps (DVB-S2/S2X 8PSK)
1~58MSps (DVB-S2/S2X 16APSK)
1~55MSps (DVB-S2/S2X 32APSK)
1~34MSps (DVB-S2/S2X 64APSK)
Signal strength: -65 ~ -25dBm
Half SyQuest Baseband filler (Roll off factor):
0.35 for DVB-S
0.15 to 0.35 for DVB-S2
0.05 to 0.35 for DVB-S2X
FEC demodulation: 1/2, 2/3, 3/4, 5/6, 7/8 (DVB-S QPSK)
1/4, 1/3, 2/5, 1/2, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 (DVB-S2 QPSK)
3/5, 2/3, 3/4, 5/6, 8/9, 9/10 (DVB-S2 8PSK)
2/3, 3/4, 4/5, 5/6, 8/9, 9/10 (DVB-S2 16APSK)
3/4, 4/5, 5/6, 8/9, 9/10 (DVB-S2 32APSK)
11/15, 7/9, 4/5, 5/6 (DVB-S2X 64APSK)
Demodulation mode: QPSK, 8PSK, 16APSK, 32APSK (Only DVB-S2)
LNB polarity selection: Vol 0, 13V, 18V Selectable
LNB band selection tone: 0/22Khz Selectable
Input Impedance: 75 Ω
FEC (Code Rate): 1/2, 2/3, 3/4, 5/6, 7/8
DiSEqC: DiSEqC 2.0 compliant
ATSC Tuner
Frequency range: 50–860 MHz
Key reference specification: ATSC A/53
Input level: -34 to +40 dBmV
Constellation: 8-VSB
Bandwidth: 6Mhz
Modulation RF Output Option
Modulation (4/8*RF DVB-T/ASTC/ISDB-T or 16/32 DVB-C for option)
Connector: 1 Port, F-Type, 75Ω
Output Return Loss: 14 dB
MER ≥ 40dB
RF output level: -20 ~ 0dbm, 0.1db step
Numbers of RF Channel: 4/8
Modulation Mode: DVB-C, DVB-T, ATSC, ISDB-T, DTMB option
DVB-T Modulation
Channel: DVB-T adjacent frequencies
Modulation standard: EN300744
Frequency range: 50-960Mhz,1Khz one step
Modulation standard: EN300744
Bandwidth: 6M, 7M, 8M
FFT mode: 2K, 8K
Constellation:QPSK, 16QAM, 64QAM
Guard Interval 1/4, 1/8, 1/16, 1/32
FEC 1/2, 2/3, 3/4, 5/6, 7/8
TS bit rate<31 Mbit/s
ATSC-T Modulation
Channel: 8VSB adjacent frequencies
Constellation: 8VSB
Frequency range: 50-960Mhz, 1Khz one step
Constellation: 8VSB
TS bit rate<19 Mbit/s
MER≥40 dB
DVB-C Modulation(16 or 32 DVB-C out option)
16* DVB-C Output Modulation
Channel: 16*DVB-C adjacent frequency RF out
Frequency range:50~960MHz,1Khz one step
Bandwidth range 192 Mhz between start frequency and end frequency,set 16 frequency within 192 Mhz bandwidth range
MER≥40 dB
symbol rate:5~7Mbaud
total output level adjustment -35~-5dBm by 0.1 dB step
DVB-C Standard J83.A (DVB-C, J83.B, J83.C)
Constellation (QAM):16,32,64,128, 256
|
Carrier |
Annex A |
Annex B |
Annex C |
|
|
Constellation (QAM) |
16,32,64,128, 256 |
64 |
256 |
64/256 |
|
Bandwidth (Mhz) |
8 |
6 |
6 |
6 |
|
Symbol Rate ( Mbaud) |
5-7 |
5.057 |
5.361 |
4.2-5.3 |
32* DVB-C output Modulation
Channel:32*DVB-C non-adjacent frequency RF out
Frequency range:96~864MHz,1Khz one step
bandwidth range 768 Mhz,frequency points can be used flexible within bandwidth range
MER≥40 dB
symbol rate:5~7Mbaud
total output level adjustment -35~-5dBm by 0.1 dB step
DVB-C Standard J83.A (DVB-C, J83.B, J83.C)
|
Carrier |
Annex A |
Annex B |
Annex C |
|
|
Constellation (QAM) |
16,32,64,128, 256 |
64 |
256 |
64/256 |
|
Bandwidth (Mhz) |
8 |
6 |
6 |
6 |
|
Symbol Rate ( Mbaud) |
5-7 |
5.057 |
5.361 |
4.2-5.3 |
ISDB-T Modulation
Channel: ISDB-T frequency
Frequency range: 50-960Mhz, 1Khz one step
ISDB-T standard ARIB STD-B31
Constellation: DQPSK, QPSK, 16QAM, 64QAM
Guard Interval: 1/32, 1/16, 1/8, 1/4
Transmission mode: 2K, 4K, 8K
Code rate: 1/2, 3/4, 5/6, 7/8
Bandwidth: 6MHz
TS bit rate<21 Mbit/s
MER ≥ 40 dB
DTMB Standard GB20600-2006
Constellation: 4QAM, 16QAM, 32QAM, 64QAM
Code rate: 0.4, 0.6, 0.8
Guard Interval: 420, 595, 945 IONS
Multiplexing
Maximum PID remapping 180 input per channel
PID remapping by automatically or manually
PSI/SI: SDI/PMT/TOT/PAT/BAT/CAT/TDT/NIT Insert
Accurate PCR adjusting
Max numbers: 4 or 8 mux for RF and 1 Mux for 1*MPTS
ASI I/O
DVB-ASI: 2 * ASI input and 2*ASI output, one for backup, 75Ω, BNC, 188Bytes
MPEG-2: TS over DVB-ASI (EN 50083-9)
ASI Selectable out: mirror of one MPTS
IP I/O Stream Output
IP I/O
RJ45 port: 100/1000M GbE Port,1*DATA port used for input and output
IP output: 1*MPTS & 127*SPTS UDP/RTP IP Output (4*RF out)
8*MPTS&512*SPTS when 8*RF out
IP input: 128*MPTS/SPTS UDP/IP
TS over UDP, unicast, and multicast streaming TS over IP
System
Configuration Interface: web-based
Remote upgrade: via network
Connector: RJ45, 10/100M Ethernet interface


















