
BCSK-SZ350 50W LDMOS Digital Power Amplifier Module 200-300MHz Industrial-Grade RF Power Amplifier with Circulator
The BCSK-SZ350 is an industrial-grade 50-W LDMOS digital power amplifier module launched by Bochuang Spacetime. Designed for low-frequency applications in the 200-300 MHz range, it delivers a continuous wave output of 50 W with exceptional signal fidelity. Leveraging mature LDMOS semiconductor technology, this module offers superior cost-performance, lower distortion, and enhanced thermal stability compared to traditional GaN devices. It is ideal for spectrum monitoring, industrial wireless communications, test and measurement equipment, and low-altitude security systems. Operating at 28 V DC with a typical current of 3.5 A, it supports wide-temperature operation. Encased in an aluminum alloy shielded housing, it effectively suppresses electromagnetic interference. Featuring standard SMA female connectors, the module ensures seamless system integration. Its compact design makes it perfect for embedded deployments in space-constrained environments, serving as the core power unit for high-performance RF frontends.
In Stock (450units




Product Overview
BCSK-SZ350is a solution designed specifically for200-300MHz bandIndustrial-grade design50-Watt LDMOSDigital Amplifier Module, by Bochuang
Developed and manufactured by Spacetime. This module utilizes mature LDMOS semiconductor technology and features50W Continuous Wave Output PowerWith high-stability signal amplification, suitable for
Spectrum monitoring, industrial wireless communications, test and measurement equipment, and low-altitude security systems. Its operating voltage isDC 28V, typical current 3.5A, supports wide-temperature operation; the enclosure is made of
Aluminum alloy shielding structure effectively suppresses electromagnetic interference.Module InterfaceStandard N female connector for easy system integration. The compact design is ideal for space-constrained applications.
Embedded deployment scenarios serve as the core power unit for building high-performance RF front-ends.
Performance Features
High linearity, low distortionUses an optimized bias circuit and matching network. Third-order intercept point (IP3) exceeds +35 dBm, meeting the requirements of high dynamic range communication systems.
Precise Frequency CoverageDeeply optimizes mainstream communication bands from 200 to 300 MHz, compatible with FPV/UAV systems and designed for multi-mode deployment scenarios.
Low power, high efficiencyAt 50W output, the current is only 3.5A and power-added efficiency (PAE) exceeds 55%, significantly reducing thermal management burden.
Smart Security ProtectionBuilt-in protection against overcurrent, overheating, and high VSWR to prevent device damage from load mismatch or transient faults.
Industrial-grade environmental adaptabilityAluminum alloy enclosure with integrated heat sinks; supports operation from -20°C to +60°C, designed for harsh industrial environments.
Technical Specifications
Parameter Item | Specifications |
|---|---|
Product Model | BCSK-SZ350 |
Operating Frequency Band | 200–300 MHz |
Output Power | 50W (Continuous Wave CW) |
Supply Voltage | DC 28V |
Operating Current | 3.5A (typical) |
RF interface | NConnector(Female) |
Protection Mechanism | Overcurrent, Overtemperature, and VSWR Protection |
Casing Material | Aluminum Alloy |
Operating Temperature | -20°C ~ +60°C |
Size | 156 × 54 × 22 mm |
Customer FAQ
Q1: Does this module support pulse modulation?
A1: This version is designed for continuous wave (CW) operation. For pulse modulation capabilities, please contact technical support for custom development.
Q2: Does the module require an external heatsink?
A2: The module integrates a built-in heat dissipation structure, but adding an external cooling solution is recommended for high-load or prolonged-use scenarios.Serrated Heat SinkandCooling FanTo ensure long-term stability.
Q3: Does it include a drive circuit or control interface?
A3: Module is a standard RF power amplifier unit without baseband processing or digital control circuitry; requires external DDS or modulator.
Q4: Can this module be used in drone countermeasure systems?
A4: Yes. Its 200-300 MHz band covers part of the civilian drone remote control link and works in conjunction withDirectional AntennaEffective jamming achievable.
Q5: Do you support OEM/ODM customization?
A5: Yes. We can adjust frequency, power, interface, or packaging to meet your requirements. Please contact our sales team for minimum order quantity details.
Industrial-grade digital PA module with SMA female connector
High-linearity 50W RF amplifier for spectrum monitoring systems
DC28V-powered LDMOS amplifier module for embedded RF frontends
Compact 50W RF power module with overcurrent and VSWR protection
Need More Information?
Our technical team is ready to provide detailed specifications and customization options.
