UM725GJ
To use international VHF, a license is required.
Product Overview
Fixed-Mount Marine VHF Radio
Key Highlights
- Class D DSC (Digital Selective Calling) radio
- Private text messaging (UM725GBT with Bluetooth + smartphone app)
- Integrated GPS (UM725G/GBT GPS-equipped models)
- IPX8 waterproof rated (submersible to 4.9 ft for 30 min)
- NOAA weather channels with alerts
- NMEA-0183 / NMEA-2000 data I/O
- 1 W / 25 W dual transmit power (all USA, Canada, intl. marine channels)
- Speaker-microphone & remote mic compatible
Box Contents
- Fixed-mount radio
- Speaker microphone
- Mounting bracket, knobs & hardware
- DC power cable
- Accessory cable (NMEA-0183)
- Microphone hanger
- (For GPS/Bluetooth models: antenna connection accessories)
Model Comparison Table
| Model | GPS Receiver | Bluetooth / Text Messaging | NMEA-2000 | Notes |
| UM725 | ー | ー | ー | Base VHF DSC radio |
| UM725G | ◯ | ー | ◯ | GPS, DSC, data output |
| UM725GBT | ◯ | ◯(smartphone app) | ◯ | GPS + Bluetooth texting |
Key Features
- Class D DSC: dual-watch capability, quick distress/comms using MMSI
- Private Text Messaging: boat-to-boat texting via Bluetooth (on UM725GBT) using Uniden Marine II app
- GPS & Navigation: integrated GPS (UM725G/B), waypoint/favorite records, compass display, MOB functions
- Weather & Alert: NOAA weather channel scanning with SAME alerts
- Waterproof: IPX8 (submersible)
- Data I/O: supports NMEA-0183 & NMEA-2000 for chartplotter integration
Installation & Usage
- Installation: bracket mounting, power and antenna cable connection
- Interface: physical controls, menu navigation, remote mic setup
- Programming MMSI: necessary for DSC operation
- Bluetooth Setup (UM725GBT): menu pairing, app usage
- NMEA Data Integration: configuration of NMEA-0183/2000 output
Specs Summary & Safety Notes
- Dual transmit power, largest-in-class LCD 68×38 mm
- Waterproof with recommended maintenance
- Emergency distress operation instructions
- Regulatory compliance & three-year warranty info