
BCSK-SZA50 Digital RF Power Amplifier Module with Short-Circuit Protection 500-600 MHz, 50W Industrial-Grade LDMOS Amplifier
The BCSK-SZA50 is an industrial-grade digital RF power amplifier module with short-circuit protection, launched by Bochuang Spacetime. Designed for 500-600MHz applications, it delivers 50W of continuous wave output power and high-stability signal amplification. Leveraging mature LDMOS semiconductor technology, this module offers superior cost-effectiveness, 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 safety systems. Operating at DC28V with a typical current draw of 4.6A, it supports wide-temperature operation. The aluminum alloy shielded housing effectively suppresses electromagnetic interference (EMI). Featuring standard N-type female connectors for easy system integration, its compact design makes it perfect for embedded deployments in space-constrained environments, serving as a core power unit for high-performance RF front-ends.
In Stock (200units






Product Overview
BCSK-SZA50is a solution designed specifically for500-600MHz bandIndustrial-grade designShort-circuit protectionDigital RF Power 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 isDC28V, typical current 4.6A, supports wide-temperature operation; the enclosure is made of
Aluminum alloy shielding structure effectively suppresses electromagnetic interference. Module interface is standard.N female connectorFacilitates system integration. The product features a compact design with dimensions of
175×65×2 2mmDesigned for embedded deployments with limited space, it is 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 Coverage: Deeply optimize mainstream communication bands from 500 to 600 MHz, compatible with DCS/PHS/GPRS systems and designed for multi-mode deployment scenarios.
Low power, high efficiencyAt a 5W output, the current is only 4.6A, and the Power Added Efficiency (PAE) exceeds 55%, significantly reducing the system's 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 adaptability:Aluminum alloy housingIntegrated heat dissipation fins support wide-temperature operation from -20°C to +60°C, designed for harsh industrial environments.
Technical Specifications
Parameter Item | Specifications |
|---|---|
Product Model | BCSK-SZA50 |
Operating Frequency Band | 500–600 MHz |
Output Power | 50W (Continuous Wave CW) |
Supply Voltage | DC 28V |
Operating Current | 4.6A (typical) |
RF interface | NConnector(Female) |
Protection Mechanism | Overcurrent, Overtemperature, and VSWR Protection |
Casing Material | Aluminum Alloy |
Operating Temperature | -20°C to +60°C |
Dimensions | 175 × 65 × 22 mm |
Weight | Approx. 436g |
Installation Method | Screw Mount / Rail Compatible |
Customer FAQ
Q1: Does this module support hot-swapping?
A1: Hot-swapping is not recommended. AlthoughModuleBuilt-in short-circuit protection is included. However, for system stability and component longevity, installation or replacement should be performed with the power off.
Q2: Can it be used in drone countermeasure systems?
A2: Yes. This module is optimized for the 500-600 MHz band and is designed as a signal suppression and jamming transmission front-end for low-altitude safety systems, subject to compliance with applicable regulations.
for use with the control system.
Q3: Is an external heatsink required?
A3: The module features an integrated aluminum alloy heatsink for stable operation in natural convection environments. For deployment in enclosed chassis or under prolonged usage, we recommend addingCooling air
Q4: Which modulation schemes are supported?
A4: Supports mainstream digital modulation schemes including AM, FM, PM, QPSK, 16QAM, and more; ideal for multi-standard communication systems and test platforms.Q5: Do you offer customization services?
A5: Customizable parameters include frequency bands, power, interfaces, and protection logic. Minimum order quantity is 10 units; lead time is approximately 15 business days.
Industrial digital RF amplifier with short-circuit protection
DC28V 5W CW Amplifier for Spectrum Monitoring
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