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Before spending much time on this radio, most SP50's will not meet the FCC regulations of Narrowband. We have recycled well over 200 now. Find a dealer, or you could email us with more information (what you want it to do, talk to, etc). There are a few things you are allowed to do with them and we have all the parts.
Agreed, plus the SP50 radios use DOS software. They are not narrow band capable. We have alot with chargers we will not even donate due to the non compliance with the FCC Rules. If you want parts, email me: email@example.com
First, make sure the battery is fully charged and red LED TX indicator is on steady as long as you are holding the PTT button. If the red LED blinks while you are transmitting, the battery is not charged, or is bad. Otherwise here are some common problems with the SP50 that can cause that issue: Bad PTT switch Internal microphone is bad Speaker/microphone is bad-if used Jacks are bad Transmitter power amplifier is bad Antenna is bad
You can use the model number to tell if you are VHF or UHF. You will still need to know the frequency(s) and PL code(s) your radios have to get radios to match.
VHF model number starts with P93.
UHF model number starts with P94.
The current replacement radio for the SP50 is the CP200. It is construction grade and was made to replace the SP50. There are other radios which will also match the SP50 including (but not limited to) the BPR40 and the new CP185.
Hello Peedi Krack, There are two buttons on the front of the Motorola SP50. MON - This key is a Monitor button. It temporarily disables the squelch control so you can hear any muted or weak signals being sent on the channel. This enables you to ensure the channel is clear before you transmit. OPT - This button controls Optional functions that might be programmed into the radio, such as channel scan. Additionally your radio might also have a DTMF keypad (similar to a telephone keypad) depending on which version of the SP50. If installed, the DTMF keypad would be used for signaling and controlling devices over the air. Best Regards, Ken Go Ahead. Use Us.
To remove the "Roger Beep", power off the radio. Press on the "+" button, without letting go, power on the radio. Release the button. The "Roger Beep" should be gone by now. To activate, do the same.
Hope this be of some help/idea. Post back how things turn up or should you need further information.
Good luck and kind regards.