Cobra RX680 Rugged Walkie Talkies User Manual
Getting Started
- Unpack your Cobra RX680 Walkie Talkies and ensure that all components are included: 2 walkie talkies, 2 rechargeable batteries, micro-USB doc charger, and user guide.
- Insert the rechargeable batteries into each walkie talkie, making sure to align the battery contacts correctly.
- Charge the walkie talkies using the provided micro-USB doc charger. Connect the charger to a USB power source (not included). Charging time may vary, but the batteries should provide up to 18 hours of runtime once fully charged.
- Power on the walkie talkies by turning the volume knob clockwise until you hear a click. Adjust the volume to your desired level.
Basic Operation
- Select a channel by pressing the "menu" button and using the up/down arrow keys to choose from 22 available channels. Press the "menu" button again to confirm your selection.
- Select a privacy code (CTCSS/DCS) by pressing the "menu" button twice and using the up/down arrow keys to choose from 121 available codes. Press the "menu" button again to confirm your selection. Both walkie talkies must be set to the same channel and privacy code to communicate with each other.
- To transmit, press and hold the "push-to-talk" (PTT) button on the side of the walkie talkie. Speak clearly into the microphone, located on the front of the unit. Release the PTT button to listen for incoming transmissions.
- Activate the built-in flashlight by pressing and holding the "light" button on the side of the walkie talkie.
Advanced Features
- Access NOAA weather radio channels by pressing the "menu" button three times and using the up/down arrow keys to select the desired weather channel. Press the "menu" button again to confirm your selection.
- Enable VOX (voice-activated transmission) by pressing the "menu" button four times and using the up/down arrow keys to select the desired VOX sensitivity level (1-5). Press the "menu" button again to confirm your selection. With VOX enabled, the walkie talkie will transmit automatically when it detects your voice, without the need to press the PTT button.
- Activate the emergency call feature by pressing and holding the "call" button. This will send an emergency alert tone to other walkie talkies on the same channel and privacy code.
- Enable vibration alert by pressing the "menu" button five times and using the up/down arrow keys to toggle the alert on or off. Press the "menu" button again to confirm your selection. With vibration alert enabled, the walkie talkie will vibrate to notify you of incoming transmissions.
Troubleshooting Tips
- If you are experiencing poor audio quality or limited range, ensure that both walkie talkies are set to the same channel and privacy code. Also, keep in mind that range may be affected by factors such as terrain, buildings, foliage, and weather conditions.
- If the walkie talkies are not turning on, check that the batteries are inserted correctly and fully charged. If necessary, recharge the batteries using the provided micro-USB doc charger.
- If the walkie talkies are not communicating with each other, ensure that both units are within range and not experiencing interference from other electronic devices or environmental factors.
Frequently Asked Questions
- What is the actual range of the Cobra RX680 walkie talkies?
- While the manufacturer advertises a range of up to 38 miles, real-world range may vary depending on factors such as terrain, buildings, foliage, and weather conditions. Some users have reported a range of approximately 0.2 to 1.5 miles under most conditions.
- Are the walkie talkies waterproof and dustproof?
- The Cobra RX680 walkie talkies are designed to IP54 standards, which means they are water-resistant and dust-resistant. They can withstand splashes of water and rain, but they are not fully waterproof and should not be submerged in water.
- Do I need a license to operate the Cobra RX680 walkie talkies?
- No, you do not need a license to operate these walkie talkies. They are Family Radio Service (FRS) devices, which are limited in power by the FCC and do not require a license for use.
- How long does the battery last on a single charge?
- The included rechargeable batteries provide up to 18 hours of runtime (90% standby, 5% talk, 5% listen) on a single charge. Charging time may vary.
- Can I use the Cobra RX680 walkie talkies with other brands and models?
- Yes, as long as the other walkie talkies are FRS-compatible and set to the same channel and privacy code, they should be able to communicate with the Cobra RX680 walkie talkies.
FAQ [continued]
Q: What is the range of the Cobra RX680 walkie talkies?A: The Cobra RX680 walkie talkies have an extended long range signal up to 38 miles with 2662 channel combinations & 121 privacy codes to minimize unwanted interference. However, the real-world line-of-sight range is typically between .2 to 1.5 miles under most conditions. Buildings, foliage, weather, hills, and other factors can greatly affect range.
Q: Are these walkie talkies waterproof and dustproof?
A: Yes, the Cobra RX680 walkie talkies are designed to IP54 waterproof & dustproof standards.
Q: Do these walkie talkies have a NOAA weather alert feature?
A: Yes, these walkie talkies have a built-in NOAA radio receiver and alert in the event of weather or other emergencies.
Q: How long does the battery last on these walkie talkies?
A: The included rechargeable batteries provide an ultra-long runtime of up to 18 hours (90% Standby, 5% talk, 5% listen).
Q: Are these walkie talkies voice-activated?
A: Yes, these walkie talkies have a VOX (voice-activated transmission) feature where the user's voice is detected and the radio transmits without the need to press any buttons, freeing hands for other tasks.
Q: Can I change the antenna with a long-range antenna?
A: No. These are FRS (Family Radio Service) radios which require that the antenna be non-removable. If you want better range and a removable antenna, look into GMRS, which requires a $35 FCC license (no test, easy application).
Q: Are these walkie talkies compatible with other Cobra walkie talkies?
A: Yes, as long as the walkie talkies are set to the same communication code.
Q: Does the clip on the walkie talkies removable?
A: Yes, the clip is removable.
Q: What type of port/jack does the speaker microphone use?
A: There's only one port on these walkie talkies, and it's a 2.5mm serving for both in and out. Other brands have two separate ports for audio.
Q: Does it have squelch level control?
A: No, there are no squelch level settings. You can only set squelch to 0 so you pick up everything transmitted on a channel.
Q: What is the difference between the RX380 and the RX380TTC?
A: The RX380TTC radio comes in True Timber Strata camouflage pattern.
Q: Will these operate in the cradle while charging?
A: Yes, these walkie talkies can operate in the cradle while charging.
 User Manual (PDF) |
Specifications
| Brand | Cobra |
| Manufacturer | Cobra Electronics |
| Model Number | RX680 |
| Category | All Departments > Electronics > Portable Audio & Video > CB & Two-Way Radios > Two-Way Radios |
| Product Dimensions | 3.54 x 6.89 x 10.87 inches |
| Item Weight | 1.26 pounds |
| ASIN | B07WQB1X3B |
| Item model number | RX680 |
| Batteries | 2 Lithium Polymer batteries required. (included) |
| Customer Reviews | 4.1 4.1 out of 5 stars 2,333 ratings 4.1 out of 5 stars |
| Best Sellers Rank | #9 in Portable FRS Two-Way Radios |
| Special features | Long Range |
| Other display features | Wireless |
| Color | Black and Orange |
| Whats in the box | 2 Radios, Charging base, charging cable |
| Country of Origin | Vietnam |
| Date First Available | August 15, 2019 |
| Number of Channels | 60 |
| Special Feature | Long Range |
| Frequency Range | 30-300 MHz |
| Talking Range Maximum | 38 Mile |
| Tuner Technology | VHF |
| Voltage | 7.2E+3 Millivolts |
| Water Resistance Level | Water Resistant |
| Product Dimensions | 3.54"D x 6.89"W x 10.87"H |
| Weight | 1.26 pounds |
| Dimensions | 3.54 x 6.89 x 10.87 inches |
| First Available | August 15, 2019 |
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