QCall is a convenient phone calling tool. It supports making calls from your personal computer (PC) directly, so that you can spare the efforts of dialing the phone numbers on your telephone. You can move the mouse cursor to the phone numbers to dial it directly or you can press a combination hotkey to make the call without dialing the numb
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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.
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
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
159859 Communication Suppliers
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