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260-500MHz Mini Digital Frequency Counter Detector with LED Distance Indicator
US$8.20
10-999 Pieces
US$7.90
1,000-9,999 Pieces
US$7.50
10,000+ Pieces
Sample price:US$8.20/piece.Request sample
Product profile
Customization
AvailableType
Frequency DetectorSignal Transmission
Wireless AlarmModel NO.
ES-901FDWorking Mode
PassiveCertification
CE, RoHSApplication
IndoorWorking Principle
Electro-Optical TypeTransmission Mode
WirelessReceive Frequency
260-500MHzTransport Package
1PCS/BoxSpecification
92*58*25mmTrademark
Ease SecurityOrigin
ChinaHS Code
8531901000Production Capacity
5000 000PCS/MonthKey features
Wide Frequency Detection: Detects frequencies in the 260-500MHz range with a measuring range of 250-450MHz.
LED Distance Indicator: Features a digital display with LED indicator for test coverage of about 3-4cm.
Versatile Application: Ideal for electric door controllers, auto doors, garage remotes, and burglar alarm systems.
Dual Voltage Support: Operates on 9V external battery or DC 7.5-12V power supply for flexible usage.
Compact Design: Small dimensions of 92*58*25mm make it portable and easy to install.
Low Power Consumption: Low standby current of 37mA and working current of 50mA for energy efficiency.
CE and RoHS Certified: Product meets CE and RoHS certification standards for safety and environmental compliance.
Passive Working Mode: Utilizes electro-optical type passive working principle for reliable signal detection.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2005-08-08Nearest Port: Guangzhou, Huangpu,Nansha, ShenzhenAverage Response Time: ≤4.75hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP
AI-Powered supplier vetting
SummaryEase Security Co., Limited is identified as a China-based security-products supplier headquartered in Guangzhou, Guangdong. The provided information describes it both as a manufacturer/factory and as a trade company, so its operating classification is somewhat inconsistent. It offers alarm and fire-security products, including alarm systems, beam detectors, sensors, sirens, and remote controls. The supplier reports ISO 9000 and ISO 9001 management-system certifications, six production lines, 21–30 R&D engineers, and 21–30 quality-control staff. It states that it provides ODM/OEM services, conducts quality inspections during each production procedure, and serves export markets across multiple regions. However, the slices do not provide verified customer names, specific project references, detailed after-sales procedures, or sufficient evidence to assess financial credibility.
CertificationsThe supplier reports ISO 9000 and ISO 9001 certifications and states that its quality-control system was established according to ISO 9000. These records provide explicit evidence of claimed management-system certification, although no certificate scope, issuing body, or validity details are supplied.
R&D capabilityThe supplier reports 21–30 years of combined R&D-engineer experience and describes quick R&D for new products. Its product portfolio spans alarm systems, fire alarms, beam detectors, sensors, sirens, and remote controls, while ODM/OEM services are also stated, providing explicit evidence of product-development capability.
Production capacityThe supplier is identified as a manufacturer/factory with a stated factory location, six production lines, and 21–30 quality-control staff. It also claims short manufacturing periods and inspection of each product at every working procedure, supporting a positive assessment of stated production and quality-control capacity.
Customization capabilityThe supplier explicitly states that it provides ODM/OEM services and conducts R&D, manufacturing, and marketing for anti-theft and fire-alarm products. This directly supports customization capability, although the slices do not define minimum order quantities, engineering workflow, tooling support, or customization limits.
Product Q&A
Q:What is the detection frequency range?
A:
The device detects frequencies in the 260-500MHz range, with a specific measuring range of 250-450MHz.
Q:What power supply does the device use?
A:
It supports 9V external battery (6F22 type, not included) or DC 7.5-12V power supply.
Q:What are the dimensions of the frequency detector?
A:
The dimensions are 92mm x 58mm x 25mm, making it compact and portable.
Q:What is the test coverage distance?
A:
The test coverage is approximately 3-4cm, indicated by the LED distance indicator.
Q:Is the battery included in the package?
A:
No, the battery is not included due to shipping restrictions. You need to purchase a 6F22 battery locally.
Send Inquiry
*To:
Ease Security Co., Ltd.
Ease Security Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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