Handheld Radios Used Currently on the Market for Basic Use Rate in 400-470mhz, Most of the Power 5w, This Walkie Talkie in Open Call Distance Can Reach 5-8 Km, While in Dense Urban, but Only a Short Distance of 1-2 Km, Even With Only a Few Hundred Meters! In Order to Realize the Long-distance Communication of Conventional Methods to Increase the Relay Station. This Trunk Box Has the Advantages of Simple Operation, No Need of Power Supply! No Need to Change Any Part of the Original Walkie Talkie, Take as Long as Two Handheld Walkie Talkie, Using Two Handheld Walkie Talkie Headset Jack Is Composed of a Very Practical Small Relay Station Through the Relay Box!



Working Mode

  • The Transponder Downlink Forwarding (Differential and Conventional Relay Station), a Machine as a Signal of Uplink Receiver, B Machine as the Signal Downlink Transmitter. Has Reached the Relay Purposes. Bidirectional Forwarding, Machine of a Receiver, B Machine Emission. B Machine to Receive, Machine of an Emission. To Achieve Bidirectional Forwarding Function.
  • The Relay Box for Audio Trigger Mode, When in Use, the as Received Signal Walkie Talkie at Full Volume!



The Scope of Application

  • The Link Between the Relay Station and Relay Station
  • Relay Station Signal Coverage Area of Signal Extension
  • The Field Construction of Cable Erection
  • Underground Mine
  • Cave Construction
  • Culvert Emergency Rescue
  • V-u Cross Section Relay
  • Small Basement and Ground Walkie Talkie Signal Connection
  • Large Activities and Other Occasions Emergency Use!



Single / Two Way Relay Box Frequency Set Prompt

  • The One-way Relay Box Forwarding Mode (Conventional Relay Station Mode)! A Machine Receives the Signal, the B Machine Transmission Signal. Sending / Receiving Machine Must Be Set to Two Different Frequencies, the Frequency Is Higher Than the Conventional Transmitter Set Receiver Frequency, and High / Lower, High / Low Frequency Difference of the 10m, the Frequency Difference Is Bigger Is Better. The One-way Relay Box in the Process of Using the Jack Do Not Reverse Connection, Otherwise This Trunk Box Will Not Work. Bidirectional Relay Box Plug Does Not Divide the Input / Output, Two-way Relay Box Forwarding Mode: a Machine Receives the B Emission, B Emission Machine to Receive



The Matters Needing Attention

  • The Relay Box for Audio Trigger Mode, So When You Use the Walkie Talkie Volume to Your Maximum, Otherwise May Appear Not to Send State. Such as Transmission Delay Time Is Too Long (More Than 3 Seconds), Conventional Because Walkie Talkie Transmit Antenna Near the Trunk Box Too Close to Cause the Transmitted Signal Interference Caused by Relay Box! Can Be Used to Solve the Problem of Interference of External Interphone Antenna!



Pls Note

  • The Package Is Only the "Repeater Box", Not Include the Walkie Talkies



Package Included

  • 1 * 2-way Radio Repeater Box



Warranty : 2 Week

  • 7 Days One to One Exchange if the Goods Are Damaged in Shipping



Call/ Sms/ Whatsapp/ Wechat

  • Mr.Wong : +6012-8822600 / +6018-4089135


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RM 199.00
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SKU: 1444716225408
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