40DB - 31 Annonces

Tuesday 06 January 2026

Product description: MEMS VOA is a precise and adjustable voltage-driven optical component. The key part of the component is MEMS chip; driving voltage produces electrostatic force to drive the micro-mirror on the chip, then to adjust output optical power. INTRODUCTION: MEMS VOA...

Tuesday 07 May 2024

Quantité : Daily outp

4950-5850MHz 36dBi MIMO Antenna (AC-D4958G36-12X2) This is a high performance 5GHz Broadband Dual Polarized Parabolic Dish Antenna. This 5GHz parabolic dish antenna supports the working frequency range from 4900MHz to 5900MHz, and can be used in a wide variety of high performance...

Friday 15 March 2024

Ex proof walkie talkie , mode N10Ex, passed chemical IIB and dust explosion-proof certification. The flame proof walkie talkie is small and easy to carry, and the intercom distance is very long. The call quality is clear and loud even in a noisy environment, and handy talkie explosion...

Saturday 11 November 2023

Features of GX-MX1012-Z/GX-MX1014-Z/GX-MX1016-Z/GX-M X1024-Z China Audio Mixer, China Sound Mixer With MP3 player With high and low impedance switching function With four-way marshalling function Comes with reverse feed interface Compact design, with cabinet mounting bracket (12/14...)

Saturday 11 November 2023

Features of Internet Radio Amplifier GX-PA4001 / GX-PA4002 / GX-PA4003 / GX-PA4004 / GX-PA4005 / GX-PA4006 / GX-PA4007 / GX-PA4008 / GX-PA4009 / GX-PA4010 / GX-PA4011 Based on TCP/IP, UDP, IGMP protocol, support LAN and WAN transmission, can be installed anywhere the network can be reached...

Thursday 28 September 2023

Explosion proof walkie talkie, mode N10Ex, passed chemical IIB and dust explosion-proof certification. The flame proof walkie talkie is small and easy to carry, and the intercom distance is very long. The call quality is clear and loud even in a noisy environment, and ex proof walkie...

Sunday 23 July 2023

Quantité : 100 - Prix : 260,00 €

Améliorez votre santé en respirant un meilleur air et faites moins souvent le ménage en diminuant les allergènes d'acariens, les bactéries, les moisissures, les mauvaises odeurs, les produits chimiques nocifs, la poussière de maison, les squames d'animaux, le pollen, les champignons...

Tuesday 30 May 2023

GXF series optical cross-connection cabinet has four models: GXF-A GXF-B optical cross-connect cabinets. This series optical cross-connection cabinet is mainly made up of Stainless Steel or SMC case, fixing elements of the case frame, cable fixing and protective device, direct welding module...

Sunday 30 October 2022

Materials of Sunkye MIL DTL 26482 Plug Series Small Circular Connector Shell: aluminum alloy Finish: olive drab cadmium (W), black anodized plating (F), black zinc nickel (K), Nickel(T) Backshells Aluminum alloy Cable glands: Thermoplastic Coupling ring: Aluminum alloy Spring washer...

Tuesday 02 August 2022

Timing Function for working hours control. Bacteria filter inside to keep away most bacteria in the air. Big LCD displays the accumulated working hours and the present working hours. Lightweight oxygen tanks, easy to be moved around. Key Features of Canta V Series Medical Oxygen...

Wednesday 25 May 2022

Quantité : 100

Microphone de bureau USB Carte son intégrée de 3,5 mm sortie stéréo Cou flexible du microphone et des boutons de contrôle du volume pratique Spécificités : Interface : USB 2.0 Microphone : omnidirectionnel à condensateur Sensibilité : - 40db +/- 3db Réponse en fréquence : 50 - 16000...

Thursday 10 March 2022

Professional Massager & Percussion Therapy Gun Massage Gun, TAHATH Professional Deep Tissue Muscle Massager Gun, Percussion Handheld Electric Muscle Massager with 5 Speed Levels 4 Massage Heads for Gym Office Home Post-Workout Recovery. The ergonomic single-hand grip with rubber...

Friday 10 December 2021

Prix : 100USD

Functions Small and high-performance mountable-type OTDR module, applicable to optical system monitoring 40/38/38dB Dynamic range <1.5m</span> Event deadzone <10m</span> Attenuation deadzone Features Small and high-performance mountable-type OTDR module Applicable...

Friday 13 August 2021

Massage Gun, TAHATH professional massager & percussion therapy gun, percussion muscle massager with 5 Speed Levels 4 Massage Heads for Gym Office Home Post-Workout Recovery. The ergonomic single-hand grip with rubber non-slip coating can not only minimize the external vibrations...

Monday 17 December 2018

- Project Basic Information of Uganda Hotel Soundproof Folding Partition Project: - Year of completion: 2017 Type of product: 65 Type acoustic movable restaurant partitions wall Finish: Melamine board Panel height: 2.45 meter Total quantity: About 40m STC: 40DB - Application Requirement...

Wednesday 22 August 2018

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-180 BTE BTE Ear Hook Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥40dB Battery size LR754 Total Harmonic ≤6% Battery capacity/Mah 68 Wave Distortion Operation Current ≤4mA Operation current/mA 2.9 Frequency...

Wednesday 22 August 2018

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-168 BTE Balanced Armature Loudspeaker Ear Hook Hearing Aid Hearing Amplifier - Material ABS Color Beige Max Sound Output 131±3dB Sound Gain ≥40dB Frequency Range 300-5000Hz Input Noise ≤30dB Battery AG5/LR754 Hearing loss Slight, Moderate Type...

Wednesday 22 August 2018

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-125 Analog BTE RIC Hearing Aid Hearing Amplifier - Max Sound Output 124 ± 5dB Voltage 1.5V Sound Gain ≥40dB/51 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation Current ≤4mA Operation current/mA 4.5 Frequency...

Wednesday 13 December 2017

Quantité : 10,000/mon - Prix : USD 45-55

- Pump Main Features - - 1. Sine Wave Silent Technology, Noise less than 40dB; - 2. Default with water shortage and stuck protection functions; - 3. Brushless DC motor, Magnetic Driven, Small size & High Efficiency; - 4. Long time continuous working, lifespan more than 20000 hours; - 5...

Friday 03 November 2017

Quantité : 1PCS - Prix : 46.69USD

- Low PIM -150dBc 698-2700MHz DIN type IP65 waterproof 20-40dB Directional Coupler - Product Show Specifications Electrical Specifications Frequency 698-2700MHz Model LCTC0727-20PDO LCTC0727-30PDO LCTC0727-40PDO Specifications 20dB 30dB 40dB Attenuation ±1.2 ±1.5 ...

Monday 29 August 2016

Prix : 10,00 €

Mini digital two way radio DM-6R from Kydera Details： Frequency Rang: VHF 136-174 or UHF 400-480MHz or PMR446 Channel capacity: 512 Zones: 16 Dimension: 81*52*33mm Output Power: 2W Voltage: 3.7V Digital Agreement: DMR Brand: Kydera Talk Range: 3-6km Main Features: Private Call Group...

Monday 29 August 2016

Prix : 10,00 €

Outdoor use professional Digital two way Radio (DMR) DM-680 Portable Type General Specification ModelDM-680Channels512Zones16Frequency Rang400-480MHzAntenna Impedance50ΩDimension97×58×40mmWeight270 gLi-ion battery2300mAhRated voltageDC: 704VBattery: The average battery life under 5/5/90...

Sunday 20 March 2016

Variable Optical Attenuator Features 1．High return loss 2．(1W) Max operation power 3．Adjustable attenuation value 4．0.5-60dB Attenuation range Applications 1．Fiber optical network system 2．Hi-speed fiber optical transmission system 3．CATV system 4．Long distance DWDM system...

Friday 18 July 2014

Wuhan Wellsee New Energy Industry Co., Ltd. focuses on the research, developments and productions of PV products. Wellsee Solar Inverter with built-in controller WS-SCI series products integrate controller function with inverter function in one design, and can match battery case...

Sunday 06 July 2014

Wuhan Wellsee New Energy Industry Co., Ltd. focuses on the research, developments and productions of PV products. Wellsee Solar Inverter with built-in controller WS-SCI series products integrate controller function with inverter function in one design, and can match battery case...

Sunday 06 July 2014

Wuhan Wellsee New Energy Industry Co., Ltd. focuses on the research, developments and productions of PV products. Wellsee Solar Inverter with built-in controller WS-SCI series products integrate controller function with inverter function in one design, and can match battery case...

Thursday 29 May 2014

Prix : 2000-3500

TR600 SV20A Single-mode OTDR 1310/150nm, 32/30dB Built-in VLS Come With: 1. Calibrate Certificate and Test Report 2. Trace Analysis Software 3. 1x FC Connectors + 1x SC Connector + 1x LC Connector 4. SD card 5. Peli Case -- Corrosion Proof, Waterproof, Dustproof and Unbreakable...

Wednesday 07 May 2014

Quantité : 100000 - Prix : 10,00 €

- Specifications - light weight panel Factory price Environmental,economy&new products Delivery on time Partition wall board 1.SIZE: 60---100*240---300*8---15cm 2.MATERIALS: Agricultural waste straw, sawdust, fly ash, binder and other high-performance materials 3.TRADING TERM...

Friday 27 September 2013

Quantité : 100,000pcs - Prix : pending

Specificaton: Insertion loss: <0.75dB <br /> Return loss: >40dB Service life: >1000 times Temperature range: -40°~80° Features: Single mode, multimode available All connectors with dusty cap Compliant with RoHS requirement Application: Telecommunication CATV...

Friday 21 December 2007

Specification: Mono Input Channels: Balance MIC or Line Input Stereo Input Channel: Balance or Unbalance Stereo Lline Input Frequency Response: 10Hz~30KHz +/-3db 20Hz~20KHz +/-0.5db MIC Sensitivity (22Hz-22KHz): -129.5db, 150 Ohm Source; -132db, Input Short Circuit Gain Adjustable Range...