Julia

How to solve security terms use the radio flexible by RT25 There are one case that from Class rooms people send the “Alarming” that would communicate to a set of “security teams” radios.  The “security team” to be able to communicate with each other and not to the class rooms, as well as be able to broadcast a message to all the class rooms.   Let’s we check how to solve  security terms use the radio flexible by RT25: There are one Main Channel function. Mean If you set a main channel(Alarming channel) , the radio will get back to the settled channel everytime after your communication( security team can communicate at other channel, after finish talk and after some time, it will…

How to set up RT9000D factory Default ? If your radio seems to be malfunctioning, resetting the microprocessor may solve the probkem. When performing the reset, you may lose memory data and stored information. Back up or write down important data before performing the reset. 1.Press and Hold Key for over 2s to enter general setting menu.   2.Press  key to choose No.30 menu, LCD displays “RESTORE”.         3.Turn selector Knob to select the desired operation. FACT: Resume factory default for channel, signaling and general setting.       SETUP: Return initial setup for No.18- No 28 general setting menu.       4. Press  Key to confirm.     Any other questions, u can contact us by…

How to programme Retevis RT9000D Retevis RT9000D is one of Mobile Car Ham Radio Transceiver, which support VHF and UHF Frequency range, VHF: 66-88/136-174/220-260Mhz and UHF:400-490MHz, Also bigger power at 10-60w. Communicate distance is very longer. Same radio model no. is with same default settings. For Retevis RT9000D, just switch 2 new radios in same channel, they can communicate. Programme Retevis RT9000D  when you need make some changes: Step:1 Please download and install RT9000D USB driver (USB Universal Driver) and RT9000D software in RETEVIS official website https://www.retevis.com/resources-center/ Step 2: You need a programming cable which at the product package Step 3: Connect your RT9000D with you PC, using progrogramming cable Step 4: Turn on the radio RT9000D. Step 5: Now we…

Working principle of Retevis RT9550 repeater   Retevis RT9550 repeater expand of the radio signal transmission distance by resending or forwarding the radio signal. Retevis RT9550 Repeater main work principle: a high-sensitivity receiver is responsible for receiving signals from different stations at a frequency point, and at the same time, a high-power transmitter is used another frequency to launch. Pass the transceiver operating differential rotation mode,  thus to increase the communication distance.     Retevis RT9550 Repeater support Analog and DMR mode: When use at Analog mode: Note: In order to avoid the interference of other signal simulator, the radio often be setted up the CTCSS/DCS, then the repeater also should set up same CTCSS/DCS, Then the repeater can forward the signal, otherwise…

How to choose Retevis walkie talkie for Cub scouting? Cub scounts activities is one kind of very good ways to enhance the lealthy growth of children, improve chinldren’s communicate and operational ability, also exercise children’s team spirit.   Now let’s we check how to choose retevis redio at different usage.   1. Are you planning how to deepen the relationship between children and their parents? This activities, we can choose retevis RT36: (1).The parent-child tour robot walkie talkie. Appearance compact lovable,both girl and boy like it. It is appropriate for Camping, parks, festivals and other events. Suitable the ages of 3-17years old chinldren. Increase feelings for parents and children. More details pls check: https://www.retevis.com/rt36/ 2. Are you thinking how perfect…

Retevis walkie-talkie shortcut key Summary 1. H777 shortcut key Switch between Chinese and English: Set up in 15 channel, press PTT+ monitor to Turn on the radio. Voice on / off: Set up in 10 channel, press PTT+ monitor key to Turn on the radio. Note: the default voice is opened, the voice prompt, after closed, no voice prompt on the turn on and switch channels, but there are the “drop” sound. Scan: Set up in the 16 channel, press the PTT+ monitor button to start scanning. Note: Scan function must be set in the software to add scanning channel, otherwise it can not be used.   2. RT7 (Basically consistent with H777, Just add voice control, radio function) Voice control VOX:…

How to set up the RT27 IC License-free radio function RT27 license-free 16 CH FRS 12.5KHz 0.5W Handheld Two Way Radio—-Canada Frequency Standard 1.Frequency Range: Note: Above pic which is the factory data. The frequency of every change can’t change, but the CTCSS/DCS can modify. So if there are other radio disturb, u can set up different CTCSS/DCS. 2.Vox function: When your hand be taken, difficult to press the PTT, u can use this Function, after set up it, no need press PTT, then can communicate. 3.Squelch level(SQL): Squelch function meanly used at the environment where have background noise. The No. Level higher, the smaller noise interfere, the less noise. When u use, u can first set up at “5”…

RT40 Radio Stun, Activation, Remote Monitor function 1.Signaling launch Settings: Setting up the Side Button by “Radio Stun“ and “Radio Activation” 2.Setting the digital contact people: Adding the target radio’s contact ID, and setting the call type as “Private call” 3.Setting the Channel data: Set up the contact as the Stun radio. Maintain the same frequency and color code as the target radio; If opened the TDMA Direct mode, Slot also should same. 4. Operation: When the controlling radio is pressed the Key 1, there has the “didi” sound, The indicator light show “Red light”. That mean the “Radio Stun” was launched. Accused of Radio light show “red light”, No sound. When pressing the PTT to launching, there is a…