How does the device distinguish between signals?

It uses differential wireless detection technology to measure the rate of change in field strength rather than absolute intensity.

What indicators are available on the device?

It features signal strength indicators, mode indicators, and charging status lights (red for charging, yellow for full).

Handheld Suspicious Signal Position Locator for Security Inspection Ja-SD04

Name: Handheld Suspicious Signal Position Locator for Security Inspection Ja-SD04
Brand: Beijing Jia'an Weishi Technology Development Co., Ltd.
SKU: 2163282822

Beijing, ChinaBeijing Jia'an Weishi Technology Development Co., Ltd.

US$1,000.00-25,000.00

1 Piece

Product profile

Frequency Range

50MHz-12GHz

out-of-Band Attenuation

10-45 Db

Antenna

2 Omnidirectional Antenna

Model NO.

JA-SD04

Detection Range

40-100cm Precise Positioning

RF Connector

SMA, 50ω

Working Hours

>3h

Transport Package

Wooden Case

Specification

Trademark

Origin

Beijing

HS Code

9031809090

Production Capacity

5000

Key features

Differential Detection Technology: Automatically corrects sensitivity by measuring field strength change rate for accurate source locking.

Wide Frequency Range: Detects signals from 50MHz to 12GHz covering 2G to 5G and Wi-Fi bands.

Precise Positioning: Locks transmission sources within 40-100cm distance with phase-locked loop technology.

Zero False Alarms: Intelligent discrimination effectively suppresses distant signals and rejects interference.

Long Working Hours: Equipped with 800mAh lithium battery providing over 3 hours of continuous operation.

Multi-Mode Alarm: Switches between sound and vibration alarm modes with a light press.

Fast Charging: Fully charges in approximately 40 minutes with clear red and yellow indicator lights.

Compact and Portable: Lightweight design at 153g with dimensions of 105x65x15mm for easy handheld use.

Company profile

Importers and ExportersIn-stock CapacityFast DeliveryLow MOQ

Beijing Jia'an Weishi Technology Development Co., Ltd.

Beijing, China

Business Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1year CertifiedNearest Port: Tianjin Port, Qingdao Port, Shenzhen PortAverage Response Time: ≤0.08h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company and limited company with one employee, no affiliated company, and a valid import/export license. Its stated business scope covers information security equipment, software, communications, hardware, mechanical equipment, firefighting equipment, and other products. It describes itself as a high-tech provider of information-security solutions, but the available evidence also shows no new products in the past year, no ODM, OEM, or SDK capability, and no documented procedures for supplier-service assessment, corrective actions, or complaint handling. Financial information is limited to references to years for financial-capacity and cash-flow records, without performance values, so financial credibility cannot be determined. No certification, production infrastructure, customization evidence, or customer cases are provided.

Supplier typeThe supplier is explicitly classified as a trading company and a limited company. It has one employee and no stated parent or affiliated company, indicating a very small standalone trading operation rather than an identified manufacturer.

After-Sales capabilityThe supplier has five qualified service-capability suppliers, but it has no written procedures or records for service-capability assessment, an approved-supplier list, corrective and preventive actions, or effective customer-complaint handling. This explicitly indicates weak documented service-management controls.

R&D capabilityThe supplier describes itself as a high-tech information-security solutions provider with independent research and development, but it reports no new product in the past year, no ODM service, no OEM capability for popular brands, and no available SDK. The explicit current capability evidence indicates limited demonstrated innovation output and collaboration capability.

Customization capabilityThe company claims to provide information-security overall solutions and technical development services, which may support solution-level work. However, it explicitly has no ODM service, no OEM service for popular brands, and no SDK, so the provided evidence does not demonstrate product customization capability.