It will not drop the pole when there is a car, and it will automatically drop the pole when the car is by. 【Single way vehicle detector】: Universal single way vehicle detector, dedicated ground sense for parking lot barrier gates.
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Universale WIFI Antenna 4G LTE Patch Antenna 1.5M Length Signal Amp Amplifier Marine Car Vehicle Boat RV Signal Enhance Device
Aliexpress UK
(5) Reset switch: The reset switch allows you to reset the detector during debugging and testing. This causes the detector to readjust the detection loop and prepare for vehicle detection. 11) Filtering option: This option is used to filter the output relay between vehicle detection and switching.
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CR-8900 Quad Band Mobile Vehicle Car Antenna CR8900 Aerials 29.6/50/144/430MHz 126cm For TYT TH-9800 Walkie Talkie Two Way Radio
Aliexpress UK
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Universal DAB SMB Connector Vehicle Active Antenna Digital Cat Radio Aerial With Built In RF Amplifier FM Strong Stable Signal
Aliexpress UK
(5) Reset switch: The reset switch allows you to reset the detector during debugging and testing. This causes the detector to readjust the detection loop and prepare for vehicle detection. 8) Sensitivity for boost: This function sets the inappropriate level to maximum sensitivity and is used to avoid missing detection of high-bed vehicles.
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NMO VHF/UHF Antenna,Vehicle Trunk NMO Base Clip Lip, RG58 Coaxial Cable to PL259 Connector for Car Truck Ham Radio Transceiver
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New, old stock Base LD-1150-LV Vehicle Loop Detector. Refer to product manual/catalog for additional specifications, fit and compatibility.
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M5Stack GPS v1.1 Unit Development Board Kit AT6668 GPS BD2 BD3 GLONASS GALILEO QZSS for In-vehicle Positioning and Navigation
Aliexpress UK
It will not drop the pole when there is a car, and it will automatically drop the pole when the car is by. 【Single way vehicle detector】: Universal single way vehicle detector, dedicated ground sense for parking lot barrier gates.
eBay
Car Radio FM Antenna Universal Auto 5M Length Signal Amp Amplifier Marine Car Vehicle Boat RV Signal Enhance Device
Aliexpress UK
1 79GHz Radar Vehicle Detector. Work current: 200mA.
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Walkie Talkie Car Holder, Stand Adjustable Car Cup Mount Installation Handheld Radio Vehicle Cradle for Baofeng Motorola Radio
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With LiftMaster's proven design and integration technology, these component detectors will make installation of loop detection systems simple. Elite loop detector. May be used for exit loop, safety loop and center loop.
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ABBREE Antenna NMO Mount Dual Band UHF VHF Waterproof For Car Truck Ham Radio Amateur Vehicle Mobile Radio Accessorie
Aliexpress UK