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What is the Difference between CTCSS and DCS on Two-Way Radios?

When using two-way radios or walkie-talkies, we all use CTCSS/DCS or Motorola system PL tones or DPL.  It is divided into CTCSS and DCS. Both CTCSS and DCS are all used on analog two way radios. Do you know what is the difference between CTCSS and DCS?   ...

Read more  CTCSS and DCS,  difference between CTCSS and DCS

Why use Temperature Control Fan on RetevisRT73?

Retevis RT73 temperature-controlled cooling fan can control the air pressure and air volume of the fan through the temperature change in the vehicle-mounted station to achieve the effect of energy saving.  ...

Read more  RT73 temperature control fan,  Retevis RT73

Is there an NGP antenna suitable for RetevisRT73?

Which NGP antenna suitable for RetevisRT73? MR200 U/V Dual Band NGP Antenna and NMO Mount  ...

Read more  NGP Antenna,  NGP antenna for RetevisRT73

How does the TimeSlot Works on RetevisRT73?

How does the TimeSlot Works on RetevisRT73?  ...

Read more  Retevis RT73 DCDM

Can you Monitor Different Color Code on Retevis RT73

Can you Monitor Different Color Code on Retevis RT73? The answer is Yes.  ...

Read more  Monitor color code on RT73,  Retevis RT73

How to set the mixed receiving channel on Retevis RT73

when you connect to this repeater, if you use a digital radio you need to set a digital channel and also an analog channel. But if you have RetevisRT73 mobile radio, you can set only one channel to monitor this repeater.  ...

Read more  RetevisRT73 mobile radio,  RetevisRT73,  mixed receiving channel

Can You Use the Radio When it is Charging?

Why cant use the radio when it is on charging? How to protect your battery?   ...

Read more  dont use the radio when it is on charging

How to Program Retevis RT73 works on a Digital Repeater

How to program RT73 works on a digital repeater. Take RetevisRT97P as an example.  ...

Read more  RetevisRT73,  Program RT73 repeater