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The KR439C is a high performance and cost-effective QAM modulator. It has 16 x DVB-S/S2 FTA tuner inputs, 
16 groups of multiplexing, 16 groups of scrambling and 16 groups of QAM modulation.It supports a maximum 
of 512 IP inputs through Gigibit Ethernet port and 16 non-adjacent QAM carrier outputs.(50MHz~960MHz).
The unit also has 2 ASI input ports. It supports dual reduntadant power supplies as an option.

Features
* 16 x DVB-S/S2 FTA Tuners + 2 ASI input + 512 IP (GE1 only) input over UDP and RTP protocol
* 16 x DVB-C RF outputs   
* Excellent RF output performance index, MER≥40db
* Supports 16 groups of multiplexing and 16 groups of scrambling and 16 groups of QAM modulating
* Accurate PCR adjusting
* PSI/SI editing and insertion
* Web management vis GUI, Updates via web   
* Optional Redundant Power Supply

Specifications
Input: 16 DVB-S/S2 FTA Tuner
            512 IP (GE1only)input over UDP and RTP protocol     
            2 ASI input, BNC interface
Input Frequency: 950-2150MHz
Symbol rate: 2-45Msps DVB-S
Signal Strength: -65 to-25dBm
FEC Demodulation: 1/2, 2/3, 3/4, 5/6, 7/8 (QPSK)
Symbol rate: QPSK 1 to 45Mbauds
                        8PSK 2 to 30Mbauds
Code rate 1/2, 3/5, 2/3, 3/4, 4/5, 5/6,8/9, 9/10 (8PSK)
Demodulation Mode QPSK, 8PSK

Multiplexing
Maximum PID Remapping: 128per input channel
Multiplexing Function: PID remapping (automatically or manually)
                       Accurate PCR adjusting
                       Generate PSI/SI table automatically
Max simulscrypt CA: 4
Scramble Standard: ETR289, ETSI 101 197, ETSI 103 197
Connection: Local/remote connection

Modulation
QAM Channel: 16, non adjacent
Standard: EN300 429/ITU-T J.83A/B
MER: >40db
RF frequency: 50~960MHz, 1KHz step
RF output level -20 to +10dbm(87 to 107 dbµV), 0.1db steps
Symbol Rate: 5.0Msps to 7.0Msps, 1ksps steps
Constellation: 16/32/64/128/256QAM, J.83A,
                           64/256 QAM J.83B
Bandwidth: 8M, 6M

General
Remote management Web NMS（10M/100M）
RF Out: 16 DVB-C outputs
Language: English and Chinese
Software Upgrading via Web  
Dimension (WxDxH): 482mm×300mm×44.5mm
Weight: 3.7kg
Temperature 0 to 45 degrees C(Operation); -20 to 80 degrees C(Storage)
Power  AC 100V +/- 10%/60Hz;
              AC 230V +/-10%, 50/60HZ
Consumption: 25W