Does this sr-112 work with tyt tyt MD390 ?

As long as you get the correct cables to connect to the radio, it should work fine.

Does the wattage of receiver help this or it doesn’t matter? Like a 4-5watt handy talkie vs 20-50watt mobile radio.

Wattage refers to the power output of the transmitter portion of the transceiver. The more sensitivity of the receiver and the more amplification the receiver has will provide better results. Realistically, it is probable that a mobile or base radio will perform better than an HT.

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📡 Amplify your reach, simplify your setup!

SMART AUTO MESSAGING - Schedule automatic message broadcasts every 15, 30, or 45 minutes for seamless communication.
UNIVERSAL COMPATIBILITY - Plug-and-play with Kenwood, PUXING, WOUXUN, QUANSHENG radios for instant setup.
EFFORTLESS RANGE EXTENSION - Transform any handheld radio into a powerful simplex repeater—no costly hardware needed.
PORTABLE BATTERY POWERED - Lightweight 8.1 oz design perfect for disaster response, camping, or remote operations.
CRYSTAL CLEAR VOICE RECORDING - Capture up to 3 messages totaling 180 seconds with unmatched clarity.

The Mcbazel Surecom SR-112 is a compact, multi-function simplex repeater controller and voice recorder compatible with major handheld radios. It offers superior voice recording quality with up to 180 seconds of message storage, auto message scheduling, and DTMF remote control. Designed for portability and ease, it extends radio communication range without the expense or complexity of traditional repeaters—ideal for professionals needing reliable, on-the-go connectivity.

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