McbazelSurecom SR-112 Cross Band Radio Simplex Repeater Controller with K Plug 46-K Cable for Kenwood PUXING WOUXUN QUANSHENG

I had it running in about 40 seconds. It sounds fine.The audio play-back quality seems to sound same as the local Ham repeaters.Getting it going is quick. Connect power supply, and the interface cable. Turn on the SR-112 with a push button, turn on your radio.You will need to adjust the volume of the radio. Just use a second radio to transmit and listen to the play back volume level. I just compared loudness to other repeaters in my area.BUT there was this Loud Roger Beep tone at the end of every radio transmission.So, I checked the manual and found the touch-tones sequence to turn off the Roger Beep.However, none of my Baofeng handheld radios or my new Retevis RT-95 tones were decoded. The command sequence always failed after many attempts.I found a 30-year-old Alinco DJ-580 in my junk box. No battery! Found a 12v adaptor and I had that annoying Roger-Tone turned off on the second try!I really like this repeater and find it's very useful for the (915 MHz) antenna testing I've been doing for Meshtastic Node use.

It works well, except for its reset timer. If you key up too quickly after the last message transmit, it will miss a portion of your transmission. You also really need to wait one second before speaking when it you key up. A lot of online video reviews show it is difficult to program with the DTMF tones. It is not! If you are having problems, turn up the volume on the radio connected to this device and the tones will be heard by the receiver and programming will be a breeze. It comes in with a battery installed for mobile use.

I only tested this as a basic "parrot" repeater. I didn't try other functions. It was easy to set up & it worked well. It arrived mostly charged. Topping it off took maybe 10 minutes. Setting up for operation took less than a minute, without even looking at the book. Some guys on youtube had a hard time setting up the automated periodic transmit (station ID) function, but it was unclear to me if their issues were with the repeater or the tone generators they were using to set it up. For my simple use, it worked perfectly. Duplex repeaters often have issues with cross talk between the two radios. With this simple system, that's not an issue. ...and you only need one radio to make this system work. Total repeater cost with this unit & a cheap radio was less than $75. It makes a handy emergency repeater and it makes testing radio range/clarity easy for a single person to do by themselves.

This is a good little simplex repeater. Works as as it should. I would suggest this item if this is something you need.

It's a parot repeater. You talk, and it talks back to you. Compatible with any kenwood style connection. I did have proble.s getting it to play nice with my baofengs, however. I worked will with my QRZ1 and GS5B, however. I assume it needs a higher end type of kenwood connector for reliable function. 3 stars. Good price, internal battery is a cool feature, comes with all required cables. Just picky on what radios it likes to work with.

At first it was difficult to make it work and I am not sure what i did but it now functions as it should. , after trying endlessly .

SUMMARY:Works as expected. Records your voice and plays it back. Uses PTT and not VOX so it's a reliable transmission.PROS:- Small!!- Simple operation through DTMF tones- Ready to go from the box- Capability of recording in box one and having it identify once every 15 minutes. (Which complies with GMRS repeater ID times NOT Ham Radio; Also Part 95.119e states "(e) A station need not identify its transmissions if it automatically retransmits communications from another station which are properly identified.")- Built in rechargeable battery for on the go useCONS:- Relatively difficult to understand LEDs on the front- Requires your repeater HT to have the volume up enough for it to stay recording. Remember silence is the enemy of recording simplex repeaters.TIPS / NEED TO KNOW:- Make sure the radio you have attached has it's volume up decently high if not all the way in the beginning. The repeater seems to activate based on sound level and your radio may not have enough background noise to keep the repeater keyed.- Again, if your repeater is cutting out after a certain number of seconds or is not listening to DTMF codes turn up your radios volume!!- Make sure the radio is firmly plugged into the repeater

I see a lot of reviews saying it does not work reliably. That is because you are doing something wrong. 1 Do not run it off the internal battery, run it off a 12v or 24v battery or the wall socket. 2 make sure the jack is plugged all the way in. 3 Make sure you adjust the volume correctly, not to high not to low. Program all the radios you plan to use to the same freq and tone, then plug one of the radios you plan to use in with VOX on, then you will have a working repeater set up. Do these things and it will work flawlessly.