GC-1818
4-Ch Professional Receiver and Descrambler
Product Overview
GC-1818 is a multi-channel, high performance professional receiver launched by GOSPELL, and was designed to demodulate and descramble up to four scrambled program streams from satellite (or cable, terrestrial) RF network and (or) Gigabit Ethernet network and local ASI.
In order to cater for demands of interoperability of different operators and ever-growing data rate of television services, GC-1818 is equipped with four DVB-CI complied Common Interfaces to meet the demands of descrambling for different scrambled programs using different DVB SimulCrypt CA(s), and supports up to 280Mbps of de-scrambling output bit rate for high definition and standard definition TV programs. Compared to conventional traditional single-channel or dual-channel professional IRD, GC-1818 can deliver double or better capacity of descrambling for operators in 1RU only.
GC-1818 supports Web browser and SNMP management for local and remote management and maintenance, which can significantly reduce management time and operating expense (OPEX) for operators. It enables operators to provide a wide range of highly costeffective, high performance and high-quality services to subscribers with lower total cost of ownership (TCO).
Main Features
- Supports DVB-S/S2 (or DVB-C/DVB-T/DTMB) RF receiving & demodulation, TS descrambling
- Supports 6MHz, 7MHz, 8MHz channel bandwidth
- Supports up to four CAMs and can operate at independent and (or) cascading mode
- Up to 72Mbps of descrambling bit rate each CAM, meeting different bandwidth requirements from SD to HD
- Supports 280Mbps of maximum de-scrambling output bit rate and 32 TV programs simultaneously
- Real-time bit rate statistics and program information analysis
- Standard common interface comply with EN 50221, supporting most major CA systems
- Supports TS-over-UDP input & output via Gigabit Ethernet and ASI outputs
- Supports Web and SNMP management and maintenance
- SPTS and MPTS are available
- Front panel control and LCD display
Technical Specifications
| RF Input Options | |
| Satellite Input Option | |
| Number of Inputs | 4 x RF Input, 4 x RF Loop Out |
| Connector Type | F-Type (Female, 75Ω) |
| Standards | DVB-S/S2 (EN 300 421/EN 302 307) |
| Constellations |
DVB-S: QPSK DVB-S2: QPSK/8PSK |
| Frequency Range | 950MHz to 2150MHz |
| Symbol Rate |
QPSK: 5.0 to 45Msym/s 8PSK: 10 to 31Msym/s |
| Input Signal Level | -65 to -25dBm |
| LNB Power Output | 0V/+DC 13V/18V, Imax=400mA |
| Cable Input Option | |
| Number of Inputs | 2 x RF Input, 2 x RF Loop Out |
| Connector Type | F-Type (Female, 75Ω) |
| Standards | DVB-C (EN 300 429) |
| Constellations | 16/32/64/128/256 QAM |
| Frequency Range | 30 to 860MHz |
| Input Signal Level | -20 to +20 dBm (64QAM) |
| Terrestrial (DVB-T) Input Option | |
| Number of Inputs | 1 x RF Input, 1 x RF Loop Out |
| Connector Type | F-Type (Female, 75Ω)
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