Hsb133 Receiver -

| Parameter | Specification | |------------------------|------------------------------------------------------| | Frequency Range | 10 kHz – 1.6 GHz (continuous) | | Receiver Type | Direct Sampling SDR (14-bit ADC) | | Maximum Bandwidth | Up to 10 MHz (real-time) | | Tuning Steps | 1 Hz minimum | | Modes | AM, NFM, WFM, LSB, USB, CW, DRM (with software) | | Sensitivity (typical) | -130 dBm (HF, SSB) / -120 dBm (VHF, FM) | | Dynamic Range | > 100 dB (with preamp off) | | Image Rejection | > 70 dB (due to direct sampling) | | Selectivity | Software-defined (0.5 Hz to 500 kHz) | | Antenna Inputs | SMA (50Ω) + Hi-Z (500Ω) for longwire/loop (on some models) | | Front-end Protection | TVS diodes, optional high-pass filter for broadcast FM | | Power | USB 5V (≤ 500 mA) | | Dimensions | ~ 100 x 60 x 25 mm (pocket-sized) | | Weight | ~ 150 g | | Interface | USB 2.0 (Type B Mini or USB-C depending on revision) |

Windows 7/10/11, Linux (Ubuntu, Raspberry Pi OS), macOS (via third-party drivers).

Do not confuse the HSB133 with a "data slicer" receiver. The output is raw digital TTL. If you are sending analog sensor data, you will need to encode it (e.g., using Manchester encoding or a dedicated encoder IC). hsb133 receiver

Always buy a few extra modules. While robust, RF modules are susceptible to ESD (Electrostatic Discharge) during handling. Ground yourself before soldering, and your HSB133 will provide years of reliable service.

If your HSB133 is a different variant (e.g., ISDB-T terrestrial), please clarify, and I will adjust the feature list accordingly. If you are sending analog sensor data, you

If your receiver gets stuck in a boot loop (continuously restarting), you may be able to fix it by re-flashing the firmware using a serial programmer (like a CH341A) directly attached to the EN25Q32 flash chip on the board, rather than via USB. This is an advanced repair technique.

Common issues with the HSB133 typically stem from power supply instability or antenna placement. Ground yourself before soldering, and your HSB133 will

Satellite transponders frequently change frequencies. Instead of conducting tedious manual blind scans, you can import pre-compiled database files:

The HSB133 is distinguished by its compact form factor and ruggedized design, tailored for harsh operating environments.

// Simple receiver sketch for HSB133 const int rxPin = 2; int lastState = LOW; unsigned long lastTrigger = 0;