Showing 33–48 of 117 results
China RF Microwave and Millimeter-Wave Supplier Guide Shenzhen Huashi Digital Technology Co., Ltd. Introduction Satellite communication increasingly uses high-frequency microwave and millimeter-wave technologies. These applications require accurate RF design, low phase noise, suitable waveguide interfaces and careful mechanical construction. Products A specialized RF supplier may provide: LNB LNA BDC BUC PA Filters Feed horns Frequency…
China Satellite Antenna Manufacturers and Suppliers China Satellite Antenna Manufacturers and Suppliers Shenzhen Huashi Digital Technology Co., Ltd. How to Choose a Satellite Antenna Satellite antenna selection starts with the link budget. The required antenna gain depends on frequency, satellite parameters, bandwidth, transmit power and required link margin. Important Parameters Consider: Diameter Gain Beamwidth Efficiency…
China Satellite Communication Equipment Supplier Guide 2026 LNB, LNA, BUC, BDC, PA, Satellite Antenna, Feed Horn and VSAT Equipment If you are looking for a reliable satellite communication equipment supplier in China, choosing the right manufacturer is as important as choosing the right RF specifications. This guide explains how to select LNB, LNA, BDC, BUC,…
China Satellite Communication OEM Manufacturer Guide Shenzhen Huashi Digital Technology Co., Ltd. Why Use an OEM Satellite RF Supplier? OEM and customized RF projects are useful when standard products cannot meet a project’s exact frequency, mechanical or performance requirements. Common Customized Products LNB LNA BUC BDC PA Feed horn Frequency converter RF filter PLL…
China Satellite RF Equipment Manufacturers Guide China Satellite RF Equipment Manufacturers Guide Shenzhen Huashi Digital Technology Co., Ltd. Introduction China has a broad electronics, microwave and RF manufacturing ecosystem. For satellite communication projects, buyers may source LNBs, LNAs, BUCs, BDCs, PAs, antennas and feed horns from specialized suppliers. What to Evaluate A satellite RF…
China VSAT Equipment Supplier Guide Shenzhen Huashi Digital Technology Co., Ltd. What Is a VSAT System? VSAT means Very Small Aperture Terminal. A typical VSAT terminal uses an antenna, feed, LNB, BUC and modem to establish satellite communication. Receive chain: Satellite → Antenna → Feed → LNB → Modem Transmit chain: Modem → BUC →…
Model型号：CK-120A 中星9C高频头 韩星 日星高频头 Input Frequency 输入频率：11.7~12.75GHz Output Frequency 输出频率：950~2000MHz L.O. Frequency 本振频率：10.75GHz Noise Figure 噪声系数：0.5dB (Min.), 1.1dB (Max.), 0.6dB (Typ.) Gain Flatness 增益平坦度：±0.5 dB / 26 MHz（典型值）；±0.5 dB / Full Band（全频段） Gain Variation 增益变化量：7.5dB / Full Band（全频段） L.O. Frequency Stability 本振频率稳定度：±0.5MHz (max.) @ +25℃；±1.5 MHz (max.) @ -40℃~+60℃ Cross Polarization Isolation 极化隔离：20dB (Min.)；23dB (Typ.)…
Model型号：CK-120A Input Frequency 输入频率：11.7~12.75GHz Output Frequency 输出频率：950~2000MHz L.O. Frequency 本振频率：10.75GHz Noise Figure 噪声系数：0.5dB (Min.), 1.1dB (Max.), 0.6dB (Typ.) Gain Flatness 增益平坦度：±0.5 dB / 26 MHz（典型值）；±0.5 dB / Full Band（全频段） Gain Variation 增益变化量：7.5dB / Full Band（全频段） L.O. Frequency Stability 本振频率稳定度：±0.5MHz (max.) @ +25℃；±1.5 MHz (max.) @ -40℃~+60℃ Cross Polarization Isolation 极化隔离：20dB (Min.)；23dB (Typ.) Output VSWR 输出驻波比：2.5:1…
Product Overview / 产品概述 HS series suspended stripline filters are high-performance microwave filter products independently developed by Shenzhen Huashi Digital Technology Co., Ltd. Designed for satellite communications, broadcasting, meteorological reception, and 5G interference mitigation, these filters cover frequencies from DC to 40 GHz. Utilizing advanced suspended stripline cavity structures with premium materials, they deliver low…
DCH-5400EC 4-Channel HD Encoder Product Overview The DCH-5400EC is a 4-channel H.265/H.264 HD encoder supporting 4× HD/SD-SDI signal inputs. It accepts multiple signal sources (e.g., satellite receivers, CCTV cameras, broadcast servers) and encodes input signals via H.265/H.264 compression. Renowned for reliability and high performance, it is widely deployed in hotels, schools, apartments, clubs, live streaming,…
DCP-1000Pro 是一款专为商用场景设计的高性价比 HEVC 高清编码器,采用高密度集成化设计，支持 编码、复用、调制(选配)、IP处理一体化功能，适用于为酒店、医院、会所等商业场景提供稳定的电视信号。
设备采用双电源供电;具备双千兆数据口及网管接口,强大的IP数据交换处理能力:人性化的网管界面，简单易用;单个编码模块支持 4 路 HDMI 输入，单机最大扩展至 20 路输入;可选配多制式调制功能模块，最大支持4路DVB-T/DTMB/DVB-C/ISDB-T调制输出，兼容国内外主流调制标准。
支持H.264/HEVC视频编码、MPEG1 Layer II、AAC音频编码支持4/8/12/16/20路HDMI编码(单个模块4路编码)，灵活适配各种场景支持1080p，1080i，720p等多种分辨率输入编码支持固定码率(CBR)和可变码率(VBR)编码码率控制支持节目名称、节目PID、PMT PID、视频PID等的参数设定支持4路复用功能，支持PSI/SI再生成，包括NIT，LCN等表格插入双千兆网口，支持64路IP 输入，32路IP输出(主/辅接口互为备份)支持OSD LOGO图片特效叠加功能可内置2个多制式调制功能模组(选配)可支持2路或4路DVB-T/DTMB/DVB-C/ISDB-T调制输出支持WEB网管，方便远程管理双电源冗余备份，工作稳定可靠.
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Terminology Reference
- HEVC = High Efficiency Video Coding (ISO/IEC 23008-2)
- PSI/SI = Program-Specific Information/Service Information
- OSD = On-Screen Display
- LCN = Logical Channel Number (ETSI EN 300 468)
Product Center freq. (MHz) Freq. range (MHz) I/L (dB) Rejection @CF+/- 86MHz @CF+/- 186MHz @CF+/- 236MHz @~8GHz BPF-3745-72 3745 3709 to 3781 0.6 max 25 min 60 min 70 min 70 min BPF-3905-72 3905 3869 to 3941 0.6 max 30 min 60 min 70 min 72 min BPF-4179-72 4179 4143 to 4215 0.6…
型号 中心频率 带宽 频率范围 插入损耗 (max) 回波损耗 (min) 抑制 (典型值) 尺寸 (mm) 重量 eBPF-CF-3950-500 3950 MHz 500 MHz 3700–4200 MHz 1.7 dB 18 dB • ≥70 dB @ 3600 MHz • ≥60 dB @ 3680 MHz • ≥25 dB @ 4230 MHz • ≥70 dB @ 4500 MHz & ~8 GHz 169 × 99 ×…
输入频率 3.9 ~ 4.2GHz 中频输出频率 950 ~ 壹肆伍零MHz 本振频率 5.15GHz 噪声温度 25K 变频增益 典型 60dB；范围：55dB~65dB 输出 1dB 压缩点 小 + 10dBm 外接参考频率 / 功率 10MHz，-5 ~ +5dBm 增益平坦度 大 4dB（峰值） 27MHz 内增益纹波 大 1dB（峰值） 输入驻波比 大 2.5:1 输出驻波比 大 2.5:1 本振频率稳定度 内置：±25KHz 输入波导法兰 CPR 229G（带槽） 镜像抑制 低 70dBc 带外抑制 通带偏移 50MHz：≥40dB通带偏移 100MHz：≥85dB通带偏移 150MHz：≥100dB4.25GHz 处：≥40dB 相位噪声 1KHz…
Free Expedited Shipping for your purchases. Sale : Gardiner C-Band LNB with 5G Filter. Model GKL-C1-5G. Made in USA Brand : GARDINER Item Description : C BAND LNB WITH 5G FILTER Model No Or Type: GKL-C1-5G Serial No (if any): Country of Origin : UNK Item Condition : New Condition Description : Used. Tested OK…