HIGH QUALITY

Trust Seal, Credit Check, RoHS and Supplier Capability Assessment.

company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop.

We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system.

We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP.

Let us help you find the best solution for all your concerns.

WHO WE ARE & WHY CHOOSE US

China high quality Cell Phone Signal Jammer & Portable Cell Phone Jammer suppliers

EASTLONGE ELECTRONICS(HK) CO.,LTD

Estlonda founded in 2003, its predecessor was Longhua Estlonda Electronics Factory in Baoan District, Shenzhen. It’s a national high-tech enterprise which is engaged in the research and development, production and sales of wireless communication equipment. We are also the strategic partner in the field of 5G private network and 5G multi-functional smart pole wireless communication for State ...

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Introduction

20years Professional Manufacturer on Wireless Signals Jammer / Wireless Signals Detection / 5G Wireless Communication / Power Amplifier Module

Service

Support OEM, ODM, 24 hours Customer Services, Technical Support for Installation, Debugging and Training, and 12 Months Warranty

SDR Mobile Phone Jammer for Prison / Jail use

Prisons worldwide face increasing security threats from unauthorized wireless communications, including smuggled cell phones, drones delivering contraband, and covert inmate-radial coordination. Traditional jamming systems often lack flexibility in frequency targeting and power control, leading to ...

Rifle-Style UAV Jammer – Portable & Multi-Frequency Drone Countermeasure System

Rifle-Style UAV Jammer – Portable & Multi-Frequency Drone Countermeasure System 1. Introduction With the rapid adoption of drones in both commercial and military sectors, the risk of unauthorized UAVs being used for espionage, smuggling, or attacks has increased significantly. Traditional fixed-site ...

Backpack-Mounted UAV Countermeasure System

Backpack-Mounted UAV Countermeasure System 1. Introduction Unmanned Aerial Vehicles (UAVs), commonly known as drones, have seen rapid proliferation in both civilian and military applications. While they offer significant benefits, their misuse—such as unauthorized surveillance, smuggling, or even ...

Product Advantages

COMPLETE CERTIFICATION

We have obtained some certificates in various aspects, which also provides a guarantee for our products to be sold to the world. You can rest assured about the whole process of our products.

amy@szeastlonge.com; tina@szeastlonge.com; sales03@szeastlonge.com

86- -13418568064

+8613418568064

3F./4F., Zhenyingtai Technology Park, Hebei Industry Zone, Longhua New District, Shenzhen 518109, China