The Radioddity DB50-B combines power, innovation, and reliability in one compact mobile radio. With 50W output power and dual-band VHF/UHF coverage, it delivers clear, long-range communication you can rely on for ham use, professional work, or emergencies. Its standout feature is the built-in Bluetooth KISS TNC and app-based programming, allowing you to configure channels, update settings, or enable GPS & APRS straight from your smartphone—no cables required. This makes setup and operation faster, smarter, and more convenient. Built tough yet compact, the DB50-B includes an ergonomic microphone and a rugged design suited for truckers, off-road travelers, and amateur operators alike. Whether you’re on highways, remote trails, or in critical situations, the DB50-B ensures reliable performance and modern flexibility wherever you go. Multi-Band Reception & Transmission Transmit on 136-174 / 400-470 MHz and receive on FM, Airband, 136-174, 174-225, 300-400, and 400-520 MHz—offering exceptional versatility for both amateur radio and aviation communication. Custom Channel Groups Easily organize up to 6 groups with 32 channels each, enabling quick switching between teams, zones, or activities for smarter, more efficient communication management. Wireless OTA Update Easily update your radio’s firmware via Bluetooth through the app—no PC or cables required. Get the latest performance improvements, bug fixes, and stability enhancements anytime, anywhere. Dual Watch Monitoring Keep track of two channels at the same time—stay in touch with your team while monitoring emergency or airband frequencies, ensuring you never miss important calls or alerts. AI Noise Reduction Intelligent AI noise suppression dynamically filters wind and background noise, ensuring clear voice transmission and reception even in high-noise environments like vehicles or outdoors. USB-A Charging Port Power your phone or other USB powered devices directly from the radio’s front USB port (5V/2A output), minimizing cable clutter and keeping your essential gear charged and ready while on the move. Bluetooth Connectivity Easily pair with a Bluetooth car handsfree-system, headset, or PTT switch for true wireless operation—enhancing safety and convenience whether you’re driving, hiking, or working in the field. All-in-One Mic Control Everything you need is right at your fingertips — the display, buttons, and settings are all built into the mic, giving you full control while keeping the main unit compact and clutter-free. General Specifications Frequency Range: TX:136-174 MHz / 400-470 MHz RX:88-108 MHz (FM) / 108-137 MHz (Air Band) 136-174 MHz / 174-225 MHz 300-400 MHz / 400-520 MHz Channel Capacity: 192 (32 channels x 6 banks) Channel Steps: 2.5/5/6.25 / 10/12.5 /25 /50 /100 KHz Channel Bandwidth: 12.5/25 kHz Frequency Stability: ±1.5ppm Antenna Impedance: 50Ω Supply Voltage: Nominal: 13.8V DC, Negative Ground Operating: 11.7 -15.8V, Negative Ground Current Consumption: 0.5A(RX), 9A(TX,144 MHz, 50W), 9A(TX,430 MHz, 50W) Operating Temperature -4°F to +140°F(-20°°C to +60°C) Dimensions: 6.3 × 5.3 × 1.5 in / 160 × 135 × 38 mm (with the fan) Weight: 1.2 kg / 2.2 lb Transmitter RF Output Power: 50 / 25 / 8W Spurious Emission: At least 65dB below Modulation Type: Variable Reactance F1, F2, F3 Maximum Deviation: ±5 kHz Microphone Impedance: 2KΩ Reception Sensitivity : 88-108 MHz (WFM): 0.5 μV for 12 dB SINAD 108-137 MHz (AM): 0.5 μV for 10 dB S/N 136-174 MHz (FM): 0.15 μV for 12 dB SINAD 174-225 MHz (FM): 0.25 μV for 12 dB SINAD 300-400 MHz (AM): 0.7 μV for 10 dB S/N 300-400 MHz (FM): 0.2 μV for 12 dB SINAD 400-520 MHz (FM): 0.15 μV for 12 dB SINAD Squelch Sensitivity: 0.13 μV (typical for 144/430 MHz bands) Selectivity: NFM: 12 kHz (–6 dB / –60 dB) AM: 30 kHz (–6 dB / –60 dB) Audio Output Power: Internal Speaker (4 Ω): 2 W @ 10% THD External Speaker (4 Ω): 5 W @ 10% THD (at 13.8V) Audio Output Impedance: 4 - 8 Ω QA: Q: How do I program channels? A: Program frequencies, tones, and channels effortlessly using the dedicated Android/iOS app via Bluetooth—no cables required. You can also set channels directly using the built-in keypad for maximum flexibility. [Play Store: HT /Apple App Store:BS-HT] Q: Does it support aviation communication? A: Absolutely. Multi-band reception includes FM, Airband, VHF, and UHF, giving access to amateur radio, aviation, and emergency frequencies for versatile communication. Q: How powerful is the DB50-B? A: With up to 50W output, it delivers strong, stable signals across long distances—ideal for remote areas and off-road communication. Q: Is it possible to connect the microphone to the unit wirelessly? I would like to put the box in the rear of my SUV and have the microphone only in the front row. A: The Android HT APP available for the DB50-B supports the use of your smartphone mic. The IOS version does not yet support such. Besides those, hands-free sets with built-in microphones are also supported (but require the K2 BT PTT). What’s in the box? 1 x DB50-B Mobile Radio 1 x Detachable Microphone 1 x Mounting Bracket 1 x Microphone Hanger 1 x DC Power Cable 4 x Self-tapping Screws 4 x Machine Screws 4 x Spring Washers 8 x Flat Washers 8 x Hex Nut 4 x washers 2 x Mini Blade Fuse 1 x User Manual 1 x App Manual
