Make it stand out.
It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more. Or maybe you have a creative project to share with the world. Whatever it is, the way you tell your story online can make all the difference.
The STELLAR RF Mobile Antenna Duplexer is designed to allow two frequency paths to operate through a shared antenna system while maintaining separation between the bands. Built for mobile and automotive radio applications, it provides a compact and reliable solution for public safety, commercial communications, amateur radio, and other vehicle-based RF systems. Its durable construction and efficient RF performance make it well suited for installations where space, reliability, and clean signal routing are important.
High-Performance Mobile RF Duplexer
Key Features
Six-cavity resonator construction
Low insertion loss for efficient RF transmission
High transmit-to-receive isolation
Temperature-compensated design for stable operation
50-ohm professional RF system compatibility
N-Type or BNC connector configurations
Compact, durable construction for professional radio installations
Suitable for shared-antenna transmit and receive systems
Frequency Range:
SRT-DP150: 130–176 MHz
SRT-DP230: 220–240 MHz
SRT-DP350: 330–390 MHz
SRT-DP450: 380–512 MHz
Operating Bandwidth:
SRT-DP150: ±200 kHz
SRT-DP230: ±500 kHz
SRT-DP350: ±700 kHz
SRT-DP450: ±400 kHz
Power Handling:
SRT-DP150 / SRT-DP230: 30 W
SRT-DP350 / SRT-DP450: 30 W / 50 W
Frequency Separation Range:
VHF: 3.5–13 MHz
UHF: 4–20 MHz
Transmit / Receive Frequency Separation:
SRT-DP150: 5.7 MHz
SRT-DP230: 7 MHz
SRT-DP350: 10 MHz
SRT-DP450: 10 MHz
Available Models:
SRT-DP150 / SRT-DP230 / SRT-DP350 / SRT-DP450
Connector Options: N-Type or BNC
Dimensions: 214 × 154 × 31.5 mm
Weight:
SRT-DP150: 1.2 kg
SRT-DP230: 0.9 kg
SRT-DP350 / SRT-DP450: 1.2 kg / 2.0 kg
Insertion Loss: <1.0 dB
Isolation:
SRT-DP150: >7.5 dB
SRT-DP230 / SRT-DP350 / SRT-DP450: >75 dB
Rejection: >7.5 dB
VSWR: <1.5:1