DTSK1710 series Three-Phase Smart Energy Meter, developed and produced by Qingdao Topscomm communication co., LTD., are a new generation of high-end smart energy metering products.

IL<3.5dB , 100GHZ DWDM MUX/ DEMUX, Multiplexing of 9 Channels over a Single Fiber Bidi Network with Red and blue filter for long distance application Passive devices, No Power No Cooling Required Support Metro, Regional and Long Haul DWDM Networks

5G Hybrid Cable is for the purpose of 5G base station,with good mechanical&optical performance,stable&durable.The all-dry hybrid cable structure offers the transmission and power supply for RRU equipments.

Analog mobile radio has never been so cost performance as with the KT-8900R. Use the power amplifier of freescale from USA, launch more stable, communication distance more distant. The QYT KT-8900R is an easy to use, tri band mobile with simultaneous receive as 25 Watts output on VHF and 20 watts on UHF. The mini size, simple design, excellent quality and full-range VHF 136-174MHz 240-260MHz and UHF 400-480MHz allowing you to enjoy the fun of ham radio with your friends.

EDFA BA LA PA Low noise figure：typical 5.0dB High flatness: typical 1dB Cover whole C-Band: carrie 40 or 80 chs

1.25G SFP optical transceiver module, support 1.25Gb/s and up to 120 km transmission, including: SFP SR, SFP LR, SFP ER, SFP+ ZR, etc. It works in high-speed IDC connection solutions, network switch, PTN, OTN and so on.

10G SFP+ optical transceiver module, support 10Gb/s and up to 100 km transmission, including: SFP+ SR, SFP+ LR, SFP+ ER, SFP+ ZR, etc. It works in high-speed IDC connection solutions, 5G network front-haul solution, network switch, PTN, OTN and so on.

IL<3.5dB , 100GHZ DWDM AAWG Technology Multiplexing of 40 Channels over a Dark Fiber Network Fully Compatible with All ITU-T 1G/10G/25G/40G/100G DWDM Optics Support Metro, Regional and Long Haul DWDM Networks

Low insertion loss High Extinction Ratio High channel isolation High stability and reliability

Low insertion loss High Extinction Ratio High channel isolation High stability and reliability

Analog mobile radio has never been so cost performance as with the KT-8R. Mini color screen, quad band , quad standby,. Suitable for various scenarios. The mini size, simple design, excellent quality and full-range VHF 136-174MHz(220-270MHz) and UHF 400-480MHz(350-390MHz) allowing you to enjoy all kinds of convenience and quickness.

Optical transmission system LAN light source/detector auto exchange and optical sensor monitoring system Optic fiber, Optical passive components, Optical network and cable testing

QYT D68 VHF DMR digital professional walkie talkie, features 32 channels.

IL<3.5dB , 100GHZ DWDM AAWG Technology Multiplexing of 20 Channels over a Single Fiber Bidi Network Fully Compatible with All ITU-T 1G/10G/25G/40G/100G DWDM Optics Passive devices, No Power No Cooling Required Support Metro, Regional and Long Haul DWDM Networks

Adapter type fixed attenuator is the female to female fixed fiber optic attenuator,whichutilizes the air gap between two connectors to achieve the optical attenuation. Fixed adapter type attenuator is simple, low-cost and compact. It is recommended for use where return loss is not a concern nor is absolute attenuation value.

Replacement rechargeable 7.4V LI-ION walkie talkie battery pack for Hytera BL2505 for PT580 PT580H PT580H Plus. Advanced alternatives to old batteries, let your walkie talkie take on a whole new life.

Capacity: 50-1200KVA UPS Features: 50/60KVA module with independent LCD, Output PF=1 UPS, system efficiency is 96.5%, 10' color touch screen ,Intelligent Flexibility,High Reliability Battery: external Color: Black Description: HQ-M SERIES is 3 phase MODULAR UPS from 50KVA-1200KVA.

1.25G SFP optical transceiver module, support 1.25Gb/s and up to 120 km transmission, including: SFP SR, SFP LR, SFP ER, SFP+ ZR, etc. It works in high-speed IDC connection solutions, network switch, PTN, OTN and so on.

Low insertion loss High Extinction Ratio High channel isolation High stability and reliability

16 OTAPs Network Optical Taps， Support 8 lines traffic copy Low insertion loss – minimize impact on data flows Fully passive – monitoring infrastructure does not impact network availability Does not modify traffic – tools see real copies of the packets from the network Requires no power and does not have an IP address, providing safety from remote attacks Cost effective – avoid costly expenses managing SPAN ports