1. Introduction
Thank you for choosing the radtel Platinum Series Shoulder Speaker Microphone. This heavy-duty, rainproof accessory is designed to enhance communication for two-way radio users, providing clear audio transmission and reception. Its robust construction and user-friendly features make it an ideal companion for various compatible radio models.
This manual provides essential information on the product's features, installation, operation, maintenance, and specifications to ensure optimal performance and longevity.
2. Product Overview
2.1 Key Features
- Clear Audio: Equipped with a specialized microphone port for loud and clear voice transmission.
- Durable Construction: High-impact casing and reinforced cabling ensure longevity.
- Rainproof Design: Suitable for use in various weather conditions.
- Ergonomic PTT Button: Large Push-To-Talk (PTT) button with a textured design for comfortable operation.
- Rotatable Clip: Features an 8-position, 360-degree rotatable stainless steel clip for flexible attachment to clothing or gear.
- Extended Cable: Approximately 19.29 inches (49 cm) of coiled cable provides ample reach and flexibility.
- K-Type Connector: Standard 2-pin K-type connector (2.5mm / 3.5mm) for broad compatibility.
2.2 Components
- Shoulder Speaker Microphone Unit
- Integrated Coiled Cable with 2-pin K-type Connector
2.3 Product Views
3. Setup and Installation
- Identify Connector Port: Locate the 2-pin accessory port on your compatible two-way radio. This is typically found on the side of the radio.
- Align Connector: Align the 2-pin K-type connector of the shoulder speaker microphone with the radio's accessory port. Ensure the pins are correctly oriented to avoid damage.
- Insert Connector: Gently but firmly push the connector into the radio's port until it is fully seated. Do not force the connector.
- Secure Clip: Use the 360-degree rotatable clip to attach the microphone unit to your uniform, jacket, or gear at a convenient location for easy access and clear audio pickup.
- Test Connection: Turn on your radio and perform a brief communication test to ensure the microphone and speaker are functioning correctly.
4. Operating Instructions
- Receiving Audio: When your radio receives a transmission, the audio will be played through the speaker on the shoulder microphone. Adjust your radio's volume control for desired listening levels.
- Transmitting Audio (PTT):
- To transmit, press and hold the large Push-To-Talk (PTT) button located on the side of the microphone unit.
- Speak clearly into the microphone grille.
- Release the PTT button to stop transmitting and return to receive mode.
- Positioning: For optimal voice clarity, position the microphone unit approximately 2-4 inches (5-10 cm) from your mouth when transmitting.
5. Maintenance
- Cleaning: Wipe the microphone unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the unit is dry before use.
- Storage: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Cable Care: Avoid sharp bends or excessive pulling on the coiled cable to prevent internal wire damage.
- Connector Care: Keep the 2-pin connector clean and free of debris to ensure a reliable connection.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio from speaker mic | Connector not fully inserted; radio volume too low; faulty connection. | Ensure connector is fully seated. Increase radio volume. Re-insert connector or try on another compatible radio if available. |
| Cannot transmit (PTT not working) | PTT button not pressed firmly; faulty connection; radio not in transmit mode. | Press PTT button firmly. Check radio's operational mode. Re-insert connector. |
| Distorted or unclear audio | Microphone too far/close; environmental interference; damaged unit. | Adjust microphone position. Move away from sources of interference. If problem persists, contact support. |
| Mic does not fit radio port | Incompatible radio model. | Verify your radio model against the compatibility list in Section 7. This microphone uses a standard K-type 2-pin connector. |
7. Compatibility
The radtel Platinum Series Shoulder Speaker Microphone features a standard 2-pin K-type connector (2.5mm / 3.5mm) and is compatible with a wide range of two-way radios, including but not limited to:
7.1 radtel Radios
- RT-470X, RT-470, RT-590, RT-890, RT-490, RT-830, RT-600, RT-495, RT-88
7.2 TYT Radios
- TC-2000/8000/3000/5000/7000, TH-F2/F3/F5/F6/F7/F8, UV8000D, UVF11, UVF9, UVF8D, TYT-300/500/600/800/900/9900, MD-280/380/446/390, H777
7.3 BAOFENG Radios
- UV-5R (All models), UV8, UV8D, UVB5, UVB6, UV-3R, A52, UV5RA, UV5RC, UV5RD, UV5RE, UV5RE+, UV6R, F8, F8+, UV-6, BF-480/490/320/V6/V7/V8/V85/658/520/530/999/888/777/666s/777s/888s, F8+, A5, 388A, K5, DM-5R, UV-82, BF-888S, GT-1, GT-3/3TP/3WP, GT-5/5TP, BF-9700, BF-F8HP, BF-F8+, BF-F9+TP, UV-82L, UV-82HP
7.4 Kenwood Radios
- TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, TH-K2E, TH-K2ET, TH-21, TH-21AT, TH-21BT, TH-22, Th-22A, TH-22At, TH-22E, TK-208/308, TK-220/320, TK-240/340, TK-240D/340D, TK-248/348, TK-250/350/353, TK-260/360, TK-260G/360G, TK-270/370, TK-270G/370G, TK-272G/372G/373G, TK-278G/378G/388GPro-Talk, TK-430/431, TK-2100/3100Pro-Talk, TK-2102/3102Pro-Talk, TK2207
7.5 RETEVIS Radios
- RT21, RT22, H-777, RT68, RT27, RT-5R, RT-B6, R888s Plus, RT-5R, RT-B6, RT-5RV, RT1, RT2, RT5
Note: This list is not exhaustive. Always verify the connector type of your radio before purchasing accessories.
8. Specifications
| Brand | radtel |
| Model Number | Waterproof Mic |
| Connectivity Technology | K-Connector |
| Connector Type | 2.5mm / 3.5mm (2-pin) |
| Compatible Devices | Two-Way Radio (various Kenwood, BaoFeng, TYT, radtel, Retevis models) |
| Microphone Form Factor | Lavalier (integrated into shoulder unit) |
| Polar Pattern | Omnidirectional |
| Signal-to-Noise Ratio | 78 dB |
| Item Weight | 5.3 ounces (approx. 150 grams) |
| Cable Length | Approx. 19.29 inches (49 cm) coiled |
| Special Feature | 360-degree Rotatable Clip, Rainproof, Heavy Duty |
9. Safety Information
- Do not attempt to disassemble or modify the microphone unit. This may void the warranty and cause damage.
- Keep the device away from extreme heat, open flames, and corrosive materials.
- Avoid exposing the connector pins to water or moisture when disconnected from the radio.
- Ensure the microphone is securely clipped to prevent accidental detachment during activity.
- Dispose of electronic waste responsibly according to local regulations.
10. Warranty and Support
For warranty information or technical support, please contact radtel customer service through their official website or the retailer where the product was purchased. Please have your product model number and purchase date available when contacting support.
Contact Information: Refer to your product packaging or the radtel official website for the most current support contact details.





