4 Bands uSDX USDR Pocket Radio Handheld 10/15/20/40M 4 Band HF SSB QRP Transceiver Compatible with uSDX QCX-SSB

Frequency Range:

Receive: 0.5MHz ~ 30MHz

Transmit: 1.8MHz ~ 30MHz (limited by LPF)

Operating Modes: CW, AM, SSB

Minimum Frequency Step: 10Hz

Antenna Impedance: 50Ω

Operating Temperature: 0℃ ~ +50℃

Power Supply Voltage: 10.5 ~ 12.6V DC, negative grounded

Current Consumption:

Receive: 100mA (Max)

Transmit: 1A (Max)

Dimensions: 50mm (W) x 20mm (H) x 80mm (L) (excludes protrusions)

Weight: Approx. 180g (main unit only)

RF Output Power:

0.1–5W (SSB/CW) at 12.6V DC

0.1–5W (AM carrier)

Battery Capacity: 1100mAh

Power Interface: DC5521

1. Compact and Lightweight Design:

Featuring an ultra-compact body measuring just 82 x 50 x 20mm and weighing only 180 grams, this transceiver is highly portable and ideal for outdoor activities like mountaineering.

2. Multi-Mode Operation:

Supports CW, AM, and SSB modes, making it versatile for voice, code, and digital communication applications.

3. High RF Transmission Efficiency:

Optimized for efficient transmission, with 80%+ efficiency in the 40m and 20m bands, and 60%+ efficiency in the 15m band.

4. Comprehensive Connectivity:

Equipped with multiple interfaces including CAT (firmware upgrade port), microphone/key input, and headset audio output compatible with Android devices.

5. Enhanced Display and Components:

Incorporates a 1.3-inch OLED screen for clear readings, coupled with premium components like Omron magnetic holding relays, TCXO crystal oscillator, and high-quality speakers for reliable performance.

1 x Pocket Radio

1 x Power Supply

Note:
1. This machine is optimized and modified according to the open source settings, and its performance and functions are fully compatible with the original design. More updated functions are subject to the actual use of the firmware version. If you have the skills, you can optimize it, and it is recommended to post your hardware and software update records in the open discussion group. For more information, please refer to the relevant open source files of the original project.
2. Battery not included, please prepare a suitable power supply by yourself to use it, The voltage of the power supply must not exceed 12.6V.