'50 hz'

SOLID SF-750PRO DVB-C (BER+MER) dB Meter with AC / DC Features : Support DVB-C function Support Automatic channel scanning Build highlight LED Show the signal quality of the nixie tube Built-in buzzer Support to check the power cable automatically Support to reset to defaults The unit of signal power support dBm, dBuV Use USB 2.0 for software upgrade and data backup. Specifications of DVB-C signals - Frequency - 47 to 862 MHz Impedance - 75ohm Signal level - -78 to -10dBm Symbol Rate - 1.4M to 7.5M baud Demodulation Scheme - 16QAM / 32QAM / 64QAM / 128QAM / 256QAM Demolution type - DVB-C Bandwidth - 6MHz / 8Mhz

The TP-Link AC1200 Wireless Dual Band GPON Router is a robust, fiber-ready gateway crafted for today’s internet enthusiasts who crave speedy and reliable connectivity. It merges Gigabit Passive Optical Network (GPON) technology with dual-band wireless capabilities, ensuring you enjoy fast internet access along with strong security, stable coverage, and excellent compatibility with fiber ISPs. Perfect for both homes and small offices, this router effortlessly handles high-definition streaming, online gaming, and heavy downloads. Its sleek design, paired with an intuitive interface and solid performance, makes it a dependable hub for any smart home network. Specifications: Model: TP-Link AC1200 GPON Router (e.g., GPON Terminal Archer XR500v, HG series – exact model may vary) Wireless Standard: IEEE 802.11ac/n/a 5GHz, IEEE 802.11b/g/n 2.4GHz Wi-Fi Speed: 2.4GHz: up to 300 Mbps Features: MU-MIMO Support: Simultaneous high-speed connections to multiple devices WPA3/WPA2 Encryption: Advanced security for safe browsing IPv6 Support: Ready for the future of the internet Parental Controls: Manage and monitor children’s internet use Guest Network: Create a separate Wi-Fi network for guests Easy Setup: TP-Link Tether app or web-based interface

Product Name: MikroTik RB941-2ND hAP Lite Brand: MikroTik Available at: Sky Birds International Specifications: Wireless Standard: IEEE 802.11b/g/n (2.4 GHz frequency band) Processor: 650 MHz CPU RAM: 32 MB Ports: 4x Fast Ethernet LAN ports Software: RouterOS (pre-installed) Features: Bandwidth shaping, firewall, access control, and user management Special Features: WPS button for easy wireless connection Can switch to CAP mode for centralized network management Power: Powered via MicroUSB input Max power consumption: 2.5W Description: The MikroTik hAP Lite RB941-2ND is a compact and affordable wireless router ideal for home and small office use. Despite its small size, it delivers reliable and secure Wi-Fi performance, making it perfect for tight spaces or budget-conscious deployments. With powerful RouterOS software, it provides a range of network features including firewall, traffic shaping, and hotspot functionality.

2GE+POTS AC WiFi XPON HGU terminal devices are designed for fulfilling FTTH and triple play service demand of fixed network operators. These boxes are based on the mature Chipset (Realtek) technology, which have high rao of performance to price, and the technology of IEEE802.11b/g/n/ac WiFi, Layer 2/3,. They are highly reliable and easy to maintain, with guaranteed QoS for different service. And they are fully compliant with technical regulaons such as IEEE802.3ah ITU-T G.984.x and technical requirement of GPON Equipment 1 G/EPON port(EPON PX20+ and GPON Class B+) Wavelength:Tx1310nm,Rx 1490nm SC/UPC connector PON interface Receiving saturaon :≥-8dBm Receiving sensivity: ≤-28dBm Transming opcal power: 0~+4dBm Transmission distance: 20KM LAN interface 2×10/100/1000Mbps auto adapve Ethernet interfaces. Full/Half, RJ45 connector Wireless Compliant with IEEE802.11b/g/n/ac 2.4GHz Opera ng frequency: 2.400-2.483GHz 5.0GHz Opera ng frequency: 5.150-5.825GHz Support MIMO, 2T2R,5dBi external antenna, rate up to 1.167Gbps Support: mul ple SSID TX power: 11n--22dBm/11ac--24dBm POTS interface 1×FXS, RJ11 connector Support: G.711/G.723/G.726/G.729 codec Support: T.30/T.38/G.711 Fax mode, DTMF Relay Line tesng according to GR-909 LED 12, For Status of PWR,PON ,LOS,WAN,WiFi,FXS,ETH1~4,WPS . Operang condion Temperature: 0℃～+50℃ Humidity: 5%～90%（non-condensing） Storing condion Temperature : -30℃～+75℃ Humidity :5%～90%（non-condensing） Power supply DC 12V,1/1.5A Power consumpon ≤10W Dimension 205mm×140mm×37mm（L×W×H） Net weight 0.34Kg

GPON OLT 16 PON Product introduction GPON OLT 16 PON, 4*1GE(SFP)/10GE(SFP+) Uplink. Automatic configuration,Automatic upgrade, EMS & Web management Material: Steel shell Size: 442mm*200mm*43.6mm（L*W*H） Weight: 3.1kg Functional characteristics GPON OLT 16 PON ►Satisfactory standard Meet ITU-T G984/G.988 standard Meet China’s relevant GPON standards ►L3 OLT Support static route RIP v1/v2、OSFP v2 ►Easy to manage Friendly EMS/Web/Telnet/CLI management CLI command style similar to mainstream manufacturers Support APP management ►Fully open platform Open to any brand of ONT ►High performance cost 1U height compact design Adopt mainstream chip scheme Technical parameters Item V1600G2 Chassis Rack 1U 19 inch standard box 1G/10G Uplink Port QTY 12 Copper 10/100/1000M auto-negotiation 8 SFP 1GE 4 SFP+ 10GE GPON Port QTY 16 Physical Interface SFP Slot Connector Type Class B+/C+ Max splitting ratio 1:128 Management Ports 1*10/100BASE-T out-band port, 1*CONSOLE port PON Port Specification(Class B+ module) Transmission Distance 20KM GPON port speed Upstream 1.244G Downstream 2.488G Wavelength TX 1490nm, RX 1310nm Connector SC/UPC Fiber Type 9/125μm SMF TX Power +1~+5dBm Rx Sensitivity -28dBm Saturation Optical Power -8dBm Dimension(L*W*H) 442*320*43.6mm Weight 4.5kg AC Power Supply AC:90～264V, 47/63Hz DC Power Supply x Double Power Module Hot Backup √ Power Consumption 85W Operating Environment Working Temperature 0～+50℃ Storage Temperature -40～+85℃ Relative Humidity 5~90%(non-conditioning)

V1600G series GPON OLT products are 1U height 19 inch rack mount products. The features of the OLT are small, convenient, flexible, easy to deploy, high performance. It is appropriate to be deployed in compact room environment. The OLTs can be used for “Triple-Play”, VPN, IP Camera, Enterprise LAN and ICT applications. Functional characteristics ►Satisfactory standard Meet ITU-T G984/G.988 standard Meet China’s relevant GPON standards ►Easy to manage Friendly EMS/Web/Telnet/CLI management CLI command style similar to mainstream manufacturers Support APP management ►Fully open platform Open to any brand of ONT ►High performance cost 1U height compact design Adopt mainstream chip scheme Item V1600G0 Chassis Rack 1U 19 inch standard box 1G/10G Uplink Port QTY 6 Copper 10/100/1000M auto-negotiation 4 SFP 1GE 2 SFP+ 10GE GPON Port QTY 4 Physical Interface SFP Slot Connector Type Class C+ Max splitting ratio 1:128 Management Ports 1*10/100BASE-T out-band port, 1*CONSOLE port PON Port Specification(Class C+ module) Transmission Distance 20KM GPON port speed Upstream 1.244G Downstream 2.488G Wavelength TX 1490nm, RX 1310nm Connector SC/UPC Fiber Type 9/125μm SMF TX Power +3～+7dBm Rx Sensitivity -30dBm Saturation Optical Power -12dBm Dimension(L*W*H) 442*220*43.6mm Weight 2.8kg AC Power Supply AC:100～240V, 47/63Hz Double Power Module Hot Backup √ Power Consumption 45W Operating Environment Working Temperature 0～+50℃ Storage Temperature -40～+85℃ Relative Humidity 5～90%(non-conditioning)

The V1600G0-B is a GPON OLT with 4 PON ports that meets flexible and fast FTTx access, suiting the scenarios such as sparse/ remote/cost-sensitive area, smart industrial park, commercial building and FTTM, etc. Highlights Compact design, meets various application scenarios. Netlink 4 port OLT Supports the deployment in diverse scenarios including low density areas, remote areas, sparsely-populated areas and industry parks. Supports FTTM and sharing site/rack with wireless base stations. Small size and lightweight, easier to delivery and install Netlink 4 port OLT Small size and lightweight, easy to transport and install, Supports multiple installation modes, like limited room space basement, low-voltage room and small rack or cabinet. Carrier-class security protection, support dynamic routing protocol RIP&OSPF, ensure the safe operation of network Supports uplink redundancy protection including LACP STP RSTP and MTP. and support RIPEOSPF protocol. Supports Ink protection. Lower TCO Netlink 4 port OLT dramatically saves on investment fees in trunk fires, pipe. Engineering, and facilities. Effectively reduce CapEx and OpEX. Item V1600G0-B V1600G1-B V1600G2-B Dimension (L*W*H) 442mm*220mm*43.6mm 442mm*320mm*43.6mm GE/10GE Uplink Port QTY 4 8 8 RJ45(GE) 2 4 4 SFP(GE) / 2 / SFP+(10GE) 2 2 4 GPON Port QTY 4 8 16 Physical Interface SFP Slots, Max splitting ratio ≤ 1:128 Management Ports 1*FE out-band port, 1*CONSOLE port, 1*USB2.0, 1*Type-C USB(For console, G2-B) PON Port Specification (Class C+++ Module) Transmission Distance 20KM GPON port speed Upstream 1.244Gbps, Downstream 2.488Gbps Wavelength TX 1490nm, RX 1310nm Connector SC / UPC Fiber Type 9/125μm SMF Supported PON module level Class B+, C, C+, C++, C+++ Weight (Single AC Power) Net Weight 2.95kg 4.05kg 4.80kg Gross Weight 4.15kg 5.65kg 6.40kg Power Supply AC:100～240V, 47/63Hz or/and DC:-48V, Double Power Module Hot Backup Power Consumption 35W 45W 85W Operating Environment Working Temperature 0°C ~ +50°C Storage Temperature -40 ~ +85°C Relative Humidity 5 ~ 90% (non-conditioning) Management Mode EMS, WEB, SNMP, Telnet , CLI

This set of equipment includes a sender and a receiver, which can transmit HDMI signals to a remote location over single fiber cable, so that user can see the real-time picture image remotely. The product can be widely used in CCTV security, data center, industrial control, video education, bank, enterprises, etc. Product feature: 1. Full HD 1080P HDMI Optical Converter/Extender 2. Supports up to 1920×1080@60Hz 3. Pure hardware design, need not driver or software, plug and play Specifications: Signals Input - Sender: One way (1 x HDMI) Output - Receiver:One way (1 x HDMI) Distance - 20KM over Single Mode fiber Video and Audio Video Input Port - HDMI Video Output Port - HDMI HDCP Supported - Yes HDMI Resolution - Up to 1920x1080@60Hz Fiber Interface Connector & type - Single Mode FC port Wavelength - 1310nm/1550nm

860 MHz Comtech Optical Receiver is a product which is a good quality and high performance.