RM Italy AD203 Stinger Board Internal Amplifier PCB
The RM Italy AD203 Stinger Board is an internal amplifier PCB for installation in suitable radio transceivers. It is a component for a technician-installed project, not a complete external amplifier or a plug-in accessory.
Key features
- Internal board format: Designed to fit inside a suitable transceiver.
- Model-specific installation: Radio layout, clearance, power wiring and RF connections must be checked before installation.
- Low-carrier input requirement: The manufacturer calls for a 2.5–3W carrier setting and warns not to install the board in a radio that keys more than 4W.
- Technician installation: Requires internal mounting and soldered connections.
Product details
| Detail | Description |
|---|---|
| Manufacturer | RM Italy |
| Model | AD203 |
| Product format | Internal amplifier PCB / Stinger Board |
| Recommended carrier setting | 2.5–3W, per manufacturer installation instructions |
| Maximum keyed input warning | Do not install in a radio that keys more than 4W |
| Fitment | Must be checked for the exact radio |
Installation and fitment
Installation is not plug-and-play. Have a qualified radio technician check internal clearances, mounting, speaker placement, RF shielding and electrical compatibility before proceeding. The manufacturer's instructions describe mounting in the speaker area, so retaining the original speaker arrangement must not be assumed.
This listing is for the board, not an installed radio package. Installation work is not included.
Operating restriction
This board is not a legal US CB power upgrade. Any installation and subsequent operation must comply with the rules applicable to the radio equipment and service.
Frequently asked questions
Is the AD203 a complete external amplifier?
No. The AD203 is an internal amplifier circuit board designed for installation in a suitable transceiver.
Will it fit every radio?
No. A technician must verify the exact radio's internal space, mounting arrangement, speaker clearance and electrical compatibility.
What carrier input does the manufacturer specify?
The installation instructions call for a 2.5–3W carrier setting and warn not to install the board in a radio that keys more than 4W.
Is it a plug-in accessory?
No. The board requires internal installation, mounting and soldered electrical and RF connections.
Can I assume the original speaker stays in place?
No. The manufacturer describes an installation using the speaker area, so speaker placement and clearance must be checked for the exact radio.
Is installation included?
No. This is a board-only listing; installation service and a host radio are not included.
*These units are for industrial, scientific, medical, or export use only. It is a violation of US FCC regulations to operate these units on the Citizens Band or Amateur Radio Services in the United States. Please check regulations in your country before operating these unit.