

Manufactory Wholesale DVB-T ISDB-T Set Top Box STB420 with HDMI
H264 Decoding for CATV Systems
Struggling with inconsistent signal quality and limited channel management in your CATV setup? The DVB-T Set Top Box STB420 delivers seamless RF signal strength and quality display, ensuring optimal performance for broadcast systems. Equipped with advanced MPEG-4, H.264, and Dolby Digital decoding, this device supports 480p to 1080p video resolutions and automatic PAL/NTSC conversion, making it ideal for broadcasting, hospitality, and residential applications. With 7-day EPG support and USB multimedia playback, it simplifies content management and upgrades. Certified for DVB-T and ISDB-T standards, it’s a reliable choice for global deployments.
• Multi-language OSD | • Automatic channel search | • USB upgrade capability | • 4:3/16:9 auto aspect ratio


v OSD Mul-languageYesv RF Signal Strength and signal quality displayYesv TV and Radio List HandlingYesv Transponder managementYesv EPG up to 7 daysYesv Program managementYesv 4:3/16:9/Auto Ye



OSD Mul-language Yes
RF Signal Strength and signal quality display Yes
TV and Radio List Handling Yes Transponder management Yes
EPG up to 7 days Yes Program management Yes
4:3/16:9/Auto Yes
Channel Search with Automatic/Manual Yes
Automatic PAL/NTSC conversion Yes USB multimedia files play Yes
Restore factory Settings and power lost memory Yes
Technical Specifications
General
Model Name DVB-T STB
Support CAS YES
Transponder DVB-T
Upgrade via USB and online Yes
Power Voltage DC 12V / 1A
Power Consumption < 10W
Standby
Power Consumption < 1W
System
Main Chip SPHE1505A
FLASH Memory 32 Mbit
Demodulator Chip AVL6762
CPU 300MHz (dual-core)
DDR2 Memory 512Mbit
Tuner Chip R836
Decoder
Video Decoder MPEG-2 MP@HL / MP@ML; MPEG-4; AVC; H.264 HP@L4.1 &MP@L4.1 & MP@L3.0;

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VC-1; WMV- 9 AP@L3 & AP@L1
Video Resolution 480p; 576p; 720p; 1080i; 1080p
Video Output Formats
Audio Decoder
Audio Output
PAL/NTSC/Auto
MPEG-1 L1/2/3; MPEG-2 L2audio; Dolby Digital (AC-3); Dolby Digital Plus(E-AC-3); MPEG-2 AAC-LC; MPEG-4; HE-AAC audio
Model Mono/ Stereo/ Mix stereo
Video Output Ratio 4:3/16:9/Auto
Tuner&Channel
Input Frequency Range 104 ~ 862 MHz
Noise Figure 20dB (64QAM)
Input Level Range 25~110dBv(64QAM)
Modulation
Terminal
QPSK, 16QAM, 64QAM for DVB-T QPSK, 16QAM, 64QAM, 256QAM for DVB-T
RF Input 1 × IEC169-1 Female
Audio Output 2 × RCA
USB 1 × USB2.0
HD HD 1.3
Loop out 1 × IEC169-1 Male
CVBS Output 1 × RCA
IR 1 × AUX
Smart CA Card Smart CA Card
Front panel
LED Indicator Power、Lock
Front Panel
Keyboard C+/-, V+/-, OK, MENU, STAY

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Infra-red Receiver Yes
Panel Display 4 digits LED display
Accessory
Remote Control 1
Instruction Book 1
AV Cable 1
Warranty Card 1
Dimensions
Body Size 195mm*38mm*140mm
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About Us
FMUSER is a company specializing in broadcasting and television transmission systems and integrating hotel IPTV systems. The company was established in 2009 and has served over 180 countries worldwide. More than 20,000 television stations, radio stations, and hotel clients from different.
Contact:Tomleequan Email:sales@fmuser.com whatsapp:+8613922702227

Contact:Tomleequan Email:sales@fmuser.com whatsapp: +8613922702227