Located at the top left. Uses a standard Motorola threaded connector. Always ensure an antenna is securely attached before transmitting.
Listen carefully and press the button to ensure the channel is not already in use. Instruction Manual For Motorola Radius Sp10
You cannot program the SP10 with a USB cable and software. This is not a Baofeng. The SP10 uses internal crystals and jumpers or, in later models, a PROM chip. Located at the top left