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rf signal detector counter surveillance

Found 175729 Products
RXB6R-EN2.0v RF Module
RF Module Description:This wireless high-frequency receiver module RXB6R ... . Lost cost, high stable also can provide the best RF solution in the market. highly suitable for industry control or ... receiver structure is super-heterodyne, received signal is OOK. After received signal, it will output COMS signal to external decoder IC for decoding ... .0mA Operating Temperature-40 85°C RXB6R-EN2.0v RF Module
Supplier: Recomtech Limited [China Manufacturers]
Car Antenna Signal Tester SWR meter Cb communication
1.SWR and RF power meter 2.Car Antenna Signal Tester 3.Good quality and reasonable price 4.RF Power: 10W,100W 5.1.7-150 MHz SWR: 1:1 to 1:3RF Power: 10W,100W1) SWR: 1:1 to 1:32) RF Power: 10W,100W3) 1.7-150 MHz4) SWR meter
Supplier: Allied Eastern Industry Co., Ltd. [China Manufacturers]
CA-2100C Carbon Monoxide Detector
... ( adjustable 26%-99%7. Each level alarming output relay switch signal dependently8. Every alarming output DC24V pulse signal9. Able to return ... -217A-D)Specifications: Working MethodAuto PatrolOutput PowerDC12V500mA (Supply Power to Detector)Communication4~20mA Standard SignalWorking PowerAC220V/50HzTransmission Distance≤ 1000 mAlarming FunctionTwo ...
Supplier: Zhuhai Chuangan Electronic Co., Ltd. [China Manufacturers]
3* AA 1.5V Battery carbon monoxide CO detector EN50291
CO detector 1.Electrochemical co detector 2.EN50291 co detector 3.Test/Hush Button,fault signal warning 4.Low Battery Alarm co detector is used ... to detect the carbon monoxide.PW-916 Stand-alone co detector ... according to customer's special request for PW-916 co detector. Features:1.Sensor Type: Electrochemical;2.Non-radioactive technology ...
Combustible Gas Detector with CE
... alarm 4-wire combustible gas detector manufactured according to EN54 or UL standard gas detector,gas alarm1) 4 wire models2) FIGARO semiconductor ... sensor heads used for gas detection 3) Loud 70 dB sound signal at ... -90P/N854001GD518-LR412V/24V90mA / 56mA80mA/46mA30-90P/N854001 Combustible Gas Detector with CE
Supplier: Ningbo Sentek Electronics Co., Ltd. [China Manufacturers]
5W Powerful IDEN Signal Repeater
1 Powerful IDEN Signal Repeater 2 Output 37 dbm 3 Gain 80/85 ... 5 Coverage: 2-10km Different Kinds For IDEN Powerful Signal Repeater Technical Features:*Receiving and sending separation,low require for ... /GSM. CDMA&3G Item 2G Frequency Shifting Item Traditional RF Repeater Welecom to choose any one items according your needs ... day.Thanks for your time.RegardsLynn 5W Powerful IDEN Signal Repeater
Supplier: Shenzhen Ledmate Technology Co., Ltd. [China Manufacturers]
Fixed gas detector for combustible gas detection with ATEX
... ATEX certification Combustible and toxic gases fixed gas detector for industrial fields BS03 fixed gas detector, adopting high-quality gas sensor and SMD ... can transfer the gas concentration in the air into digital signal output. It adopts output of 4-20mA three-line electric ... current signal, which has advantages of long-distance transmit and good disturb ...
Supplier: Henan Hanwei Electronics Co., Ltd. [China Manufacturers]
Security surveillance systems with 7-inch sunvisor rear monitor for trailers
... with 7-inch sunvisor rear monitor for trailers Security surveillance systems with 7-inch sunvisor rear monitor for trailersDetailed Product ... the trailer is attached. When the trailer is disconnected the signal will revert to the camera mounted on towing vehicle.
Supplier: Shenzhen Luview Co., Ltd. [China Manufacturers]
Waterproof IR 1/3
... is available Waterproof IR 1/3" Sony CCD Camera CCTV surveillance Shenzhen factory Features:1.SONY Effio-E High Resolution Color ... menu for setup all function.12.IR smart function, Motion detector function, Privacy zone max 8.(OSD)Specification:ModelAS-ZL85HAS-ZL85AAS ...
Supplier: Shenzhen Ansilita Security Industrial Co., Ltd. [China Manufacturers]
CB Radio With RF Gain Control CB-169(12w)
1.Squelch Control 2.RF Gain Control 3.ANL-OFF Selector 4.Signal Strength Indication 5.AM/FM Mode For Selection In vehicle ... . AM/FM Mode For Selection 2. Signal Strength Indication.3. Full 4 Watts RF power4. RF Gain Control5. ANL-OFF Selector6. LOC-DX ... ~+55°CWeightAbout 1.3kgSize160 (W)×140(D)×44mm (H)TRANSMITTER RF power output4W(at 13.8Vdc)Carrier freq. error<±800HzModulation60% to ...
Supplier: Quanzhou Xinwei Electronic Co., Ltd. [China Manufacturers]

GA-338 Gas Detector

Nov 06, 2012
GA-338 Gas Detector
Coal Gas Detector 1.Induced GasaaCoal gas, natural gas, LPG 2.Alarm ... <=5%LEL 3.Resume density:8% LEL GA-338 Gas Detector 1. Voltage:AC220V or DC12V2. Sound pressure range:≥70dB/m3 ... flash & sound alarm,automatically shut-off gas valve, network alarm signal output7. Alarm density Error: ≤±5%LEL8. Stability: long-time working ... Electric Strike, Time Attendance and Biometrics, etc. GA-338 Gas Detector
Supplier: Shenzhen Nordson Electronic Co., Ltd. [China Manufacturers]
network video server for security surveillance
network video server for security surveillance 1.D1 resolution 2. Two-way audio, H.264 3. ... IE/softwareStorageSD card storageNot supportSupportWireless802.11g/bSupport3GWCDMA/EVDOSupportAlarmAlert eventTime/alarm signal input/ motion detection/video lossAlarm input interfaceSwitch signalResponse actionRelay output ... )×122mm(W)×48mm(H) 150 network video server for security surveillance
Supplier: INNOVIEW TECHNOLOGY CO., LTD. [China Manufacturers]
PIR Motion Wireless Long Distance Detector
... 229Mhz Double infared sensor Longdistance PIR detector Low false-alarm PIR Motion Wireless Long Distance Detector KS-200BTIConnect with our long-distance ... has emergency alarm function.5) It can transmit alarm signal of 315MHz wireless detector, which will greatly save cost.6) It alarms ...
Supplier: Karassn Security Protection Electronics Co., Ltd. [China Manufacturers]
step counter pedometer with clip
... 3.O step counter pedometer with clip/calorie pedometer/digital pedometer with clip The product feature*Body Fat Index detector/clock*Step ... 12/24 Hours display formation6.power source :DC 3VCR step counter pedometer with clip
Supplier: Shenzhen Ginor Electronics Co., Ltd. [China Manufacturers]
waterproof cctv 700tvl sony effio-e surveillance ir camera
... .30 meters IR distance waterproof cctv 700tvl sony effio-e surveillance ir camera Productphoto: Main Features:IR Waterproof Camera6mm Mega pixels ... to change without notice. waterproof cctv 700tvl sony effio-e surveillance ir camera
carbon monoxide detector GS811 with LCD display
... 3.low voltage alarm signal 4.LCD display (20--999ppm) 5.product time:5 years carbon monoxide detector GS811 with LCD display ...
Supplier: Ningbo Siterwell Electronics Co., Ltd. [China Manufacturers]
SH24BTA-N wireless signal booster 34dBm WiFi repeater 2.5W amplifier
... suitable; Work in most country. SH24BTA-N 2500mW wireless signal repeater 34dBm WiFi booster Features:Full power, easy installation ... and operation;Strengthen radio signal to Increase the effective range and coverage area for ... Bi-directional, half-duplex, time division duplex senses RF carrier from transmitter and automatically switch receiving to transmitting ...
Supplier: Shenzhen Sunhans Trading Co., Ltd. [China Manufacturers]
IP66 Waterproof Housing 700TVL CCTV Security Surveillance System Waterproof Night Vision Outdoor Vari-focal IR Camera
... IR LEDs IR Intelligent IP66 Waterproof Housing 700TVL CCTV Security Surveillance System Waterproof Night Vision Outdoor Vari-focal IR Camera 700TVL ... LensOSD menu available30 pcs IR LEDsIntelligent IRIntelligent IR TechnologyTechnology Data Signal SystemNTSCPALImage Sensor1/3"Sony SUPER HAD Ⅱ CCD, Powerful DSP ((673 ...
Supplier: VG (Shenzhen) High Tech Ltd. [China Manufacturers]

Home Gas Detector

Mar 31, 2013
Home Gas Detector
... gas leak 2.Produce sound, light, alarm signal at the same time Home gas detector work with wireless alarm system, could protect ...
Supplier: Lenser Technology Co., Ltd. [China Manufacturers]
3.5 inch wireless Surveillance System with back up camera
... .4GHz car rear view system 3.Wide angle: 150 degree Surveillance System, rear view system,Wireless car rearview system, car reversing ... of the Control Knobs,Monitor Automatically Activated on Detecting Wireless Signal, On-Screen Menu for All Settings: Normal/Mirror view,Reversing ... Lighter, Remote Control, User's Guide 3.5 inch wireless Surveillance System with back up camera
Supplier: Veise (Guangzhou) Electronic Co., Ltd. [China Manufacturers]
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