Asian Communication Devices Suppliers and Manufacturers

Compatible for any audio sources such as tv dvd/hi-fi player, computers, etc Ultra high frequency wireless headphone No limitation to the location of earphones within the effective range of the system No cable connection between transmitter and headphones is required as radio frequency signal can pass through wall, floor, ceiling or partitions Transmits 863mhz stereo signal up to 100 meter Unimited number of headphones of the same frequency can be used with this system 3 channels selection for better reception Auto power cut off the transmitter when there is no signal received Phase-locked loop (pll) technology

The transmitter transmit stereo signal in 86 mhz to wireless headphone in the scope of 20 meters with interference free. While the single headphone operating, it becomes fm radio receiver between 83.5-108mhz. Connect headphone to computer with attached cable as for net icq purpose. Inspecting the voice around transmitter in scope of 5 meter to receiver as an inspector. Specification: Transmits frequency: 86mhz Maximum transmit distance: 20m Inspecting scope: 5 m (around transmitter) Fm radio frequency: 83.5-108mhz 5Snr: >35db 6Sensitivity: >22uv Maximum output power: 0.5w

Place of Origin Guangdong,China Model Number RE4L40G Brand Name rawsuns Rated generating power (kW) 35 Peak generating power (kW) 40 Rated Generating Voltage (VDC) 360-540 Maximum Generation Current (ADC) 100 system net weight 159kg Control mode (optional) Autonomous Control /VCU Dimensions(mm) L699*W549*H592 Product name 40kw EV Range extender with CAN communication Application electric vehicle/boat

System Overview: KT124 Coal Mine Dispatching Communication System is a coal mine dispatching command system developed and produced by our company using the most advanced digital communication technology. It has a fully digital PCM and various types of peripheral communication interfaces. It has a full range of coal mine production dispatching and command functions, which are suitable for large, medium and small mines, mining bureaus and their regions. The system is mainly composed of ground dispatching host, access gateway, coupler, security distribution frame, ground intrinsically safe telephone set and other equipment. It has the functions of call scheduling, scheduling call users, user calls, user emergency call scheduling, trunk tandem, forced insertion, forced disassembly, etc. Compared with the traditional dispatching system, it has the characteristics of high reliability, flexible deployment, hierarchical dispatching, integrated wired and wireless, multi-standard access, high compatibility and scalability, etc., providing guarantee for coal mine safety production.

NO. Item General Parameter 1 Model 72V 600Ah 2 Rated capacity 600Ah 3 Rated voltage 72V 4 Max.Charge voltage 83.95V 5 Cut-off voltage 57.5V 6 Standard discharge current 100A (charge time:5hours) 7 Standard discharge current 100A 8 Peak discharge current 400A 9 Size as your requirement 10 Operate temperature -20°C~60°C 11 Application Solar storage system 12 BMS/PCM YES 13 Service time 8~10 years

Place of Origin: Guangdong, China (Mainland) Brand Name: QH Model Number: LIFEPO4-60200 Composed Type: 19s2p Type: LFP Size: Customize Accepted Voltage: 60v Weight: Flexible Nominal Capacity: 200ah Application: Solar Power Station, electric bicycle/scooter DImension: customized Warranty: 5 years Cycle life: More than 2000 times Payment terms: T/T,Paypal,L/C Sample: Accept

2017 high quality new 2g cellphone gsm repeater 900mhz mobile phone gsm900 signal repeater cellphone signals booster amplifier Cellular gsm repeater 900mhz booster * model AT980 * used in mobile 2g gsm signal amplifier * 1 year guarantee after shipping * max. square meters: about 50-150 sq.m Package including: * 1 pc of AT980 repeater * 1 pc of 9 unit yagi antenna * 1 pc of indoor ceiling antenna * 1 pc of 5v2a eu plug (or please inform us plug type: eu/ek/us/au) * 1 pc of cable (about 9 to 10 meters) Specification: * Frequency range: uplink (890~915mhz); downlink (935~960mhz) * Gain: uplink (60+3db); downlink (65+3db) * Power: -70 ~ -40 dbm / FA (1.23mhz) * Max. output power: 23dbm + 3dbm total power * Yagi antenna: 13db / Indoor ceiling antenna: 5db * Noise figure: about 4db * Seclusion: > 70db * Power supply: ac110~220v, 45~55Hz * Compact design: indoor use NOTE: * It is for one room use, or you can buy splitter and extra ceiling antennas for more rooms using. * Make sure there is good signal ourside or on the roof to gain signal from signal tower. * Please check the installing diagram and install it correctly. if there is any problem, please kindly contact with us.

2017 high quality repetidor de sinal de celular CDMA 850 mhz celular repeater 850mhz mobile phone cdma850 signal booster amplifier Repetidor de sinal de celular CDMA 850 mhz * model cdma850 * used in cell phone cdma850mhz signal amplifier * 1 year guarantee after shipping * max. square meters: about 50-150 sq.m Package including: * 1 pc of cdma850 * 1 pc of 9 unit yagi antenna * 1 pc of indoor ceiling antenna * 1 pc of 5v2a eu plug (or please inform us plug type: eu/ek/us/au) * 1 pc of cable (about 9 to 10 meters) Specification: * Frequency range: uplink (824~849mhz); downlink (869~894mhz) * Gain: uplink (60+3db); downlink (65+3db) * Power: -70 ~ -40 dbm / FA (1.23mhz) * Max. output power: 23dbm + 3dbm total power * Yagi antenna: 13db / Indoor ceiling antenna: 5db * Noise figure: about 4db * Seclusion: > 70db * Power supply: ac110~220v, 45~55Hz * Compact design: indoor use NOTE: * It is for one room use, or you can buy splitter and extra ceiling antennas for more rooms using. * Make sure there is good signal ourside or on the roof to gain signal from signal tower. * Please check the installing diagram and install it correctly.

3-channel with built in 2in-3out,DSP is made fm Germany. channel-1: 250W@8ohms, 500W@4ohms; RMS channel-2: 1200W@8ohms, 2300W@4ohms;RMS channel-3: 120W@8ohms, 2300W@4ohms;RMS Size:150mm X 431mm X 70mm (WXLXH) Please check our product on http://www.ad-power.cn Packed into carton

5mm 7mm 8mm 10mm 12mm 14mm 16mm 10pcs/bag 0.10kg

14/12mm 12/10mm 10/8mm 7/3.5mm 5/3.5mm 14/12mm 12/10mm 10/8mm 7/3.5mm 5/3.5mm

1.Product description The microducts which with ribbed and low friction inner surface are made up of hdpe (high density polyethylene). It can be used single or as the primary tube of the microduct bundle. The Microducts are suitable for fibre blowing and direct buried and installed applications. 2.Features and benefits A.Material: hdpe, high density polyethylene B.Tube type 6-14mm C.Low friction internal coating D.With ribbed inner surface 3.Parameters Permissible tolerance (mm) ¡¡¡ì¡¨¨0.1 Tensile strength at yield (mpa) Hdpe microduct ¡y18 Lszh microduct ¡y8 Elongation at break [%] ¡y350 Minimum bending radius (mm) 20¡¡¡ì¡¨¦d Ring stiffness (kn/sq.M) Sn4 : ¡y 4 Sn6.3 : ¡y 6.3 Sn8 : ¡y 8 Sn12.5: ¡y 12.5 Sn16 : ¡y16 Normal operating pressure (bar) 12 Storage temperature (¡ãc) -20¡ãc ~ +60¡ãc 4.The main type of the products 8/6 mm 10/8 mm 12/10 mm 14/12 mm 4km/drum

Telecom Equipments : a. Telecom items b. Telecom Panel c. Bulk items Product Description : Based on Client Requirements Price of product ( USD price or FOB price) As per Product data Product origin India Key Specifications/Special Features : Based on Client Data / Specifications Minimum Order Size and Packaging details : As per Client requirements and type of equipment

New Arrival Eddystone Beacon, Compatiable iBeacon Mode, Eddystone UID Mode, Eddystone URL Mode Beacon Defination of Eddystone Just like iBeacon is a Bluetooth 4.0 communication protocol designed by Apple, Eddystone is an open Bluetooth 4.0 protocol from Google. Eddystone is a protocol specification that defines a Bluetooth low energy (BLE) message format for proximity beacon messages. It describes several different frame types that may be used individually or in combinations to create beacons that can be used for a variety of applications. Specification of PC063 Model No.: PC063 Beacon Bluetooth Version: Bluetooth 4.0 Chip: TICC2541/TICC2640 Working Distance: 0-120m Certification: MFI Size: 37.6*37.6*14.9mm Powered by CR2477 coin battery with battery life 24-36 months Eddystone Beacon Instruction Download App from Google Play, the App name is Eddystone, logo as following: Turn on the Beacon: Long press the button until the green light flash. Turn off the Beacon: Long press the button until the red light flash. How to Change the Beacon Mode Compatiable with iBeacon and Eddystone, that is to say, it has different modes: ---iBeacon mode ---Eddystone-UID mode ---Eddystone-URL mode Beacon mode can be changed by click button. The default Beacon mode is iBeacon; Click the button two times, the green light will flash one time, then device change to Eddystone -UID Mode; Click the button two times, the green light will flash two times, then device change to Eddystone -URL Mode; Click the button two times, the green light will flash three times, then device change to iBeacon Mode. How to Change the Parameter ---Long press the power button to turn on Beacon, then Beacon will enter modifiable mode. User can modify parameters in 2 minutes, after 2 minutes, Beacon will turn to broadcasting mode. ---Default Password is â??123456â?�, can be modified in App. If password changed, please remember for next modify. ---Support Minimum 100ms broadcast interval (broadcast interval is from 100ms to 9000ms) Customized Service Print your logo on the Beacon case; Program your own firmware into our iBeacon; Pre-configure the value of parameter before shipping; PCB can be customized if needed; Package can be customized if required.

Rohde & Schwarz CMU300 Universal Radio Communication Tester Condition Used in good working condition Option: K31, K32, K33, K34, B11, B12, B21, U61

R&S CMU200 Universal Radio Communications Tester Condition Used in good working condition Option: Option: K20, K21, K22, K23, K24, K65 B11, B17, B21V14, B52V14, B54V14, B56V54, B66, B68, B83, B85, B89, B96, U61, U65V04

USPACE&EAGLE FAM series signal and spectrum analyzer not only provides excellent RF performance, but also a standard analysis bandwidth of 800MHz, which can demodulate multiple communication standard signals (such as WCDMA, NB-IOT, LTE, NR-5G). I/Q develop interface can be opened for special application requirements. USPACE&EAGLE FAM series signal and spectrum analyzer provides a three-year warranty service, and ultra-low maintenance costs. The platform adopts high-performance x86 architecture and the host is equipped with Windows10 operating system. The platform is equipped with high reliability solid-state drive, highresolution screen, and excellent human-computer interaction performance.

USPACE&EAGLE FA series signal and spectrum analyzer not only provides excellent RF performance, but also a standard analysis bandwidth of 100MHz, which can demodulate multiple communication standard signals (such as WCDMA, NB-IOT, LTE, 5G NR). I/Q develop interface can be opened for special application requirements. USPACE&EAGLE FA series signal and spectrum analyzer provides a three-year warranty service, and ultra-low maintenance cost. The platform adopts high-performance x86 architecture and the host is equipped with Windows10 operating system. The platform is equipped with high reliability solid-state drive, highresolution screen, and excellent human-computer interaction performance.

USPACE&EAGLE VS series vector signal generator not only provides excellent RF performance, but also a standard 100MHz baseband generator, which can generate multiple communication standard signals (such as WCDMA, NB-IOT, LTE, 5G NR , NB-IOT). Meanwhile, the generator also generate different signals from Matlab software. USPACE&EAGLE VS series vector signal generator provides a three-year warranty service, and ultra-low maintenance cost. The platform adopts high-performance x86 architecture and the host is equipped with Windows10 operating system. The platform is equipped with high reliability solid-state drive, high-resolution screen, and excellent human-computer interaction performance.