Shireen 900MHz 20-25 Watt Outdoor Linear Amplifier
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Product Overview
Shireen’s 900MHz 25 Watt outdoor amplifier is a high-power bi-directional RF solution designed for demanding 902–928MHz wireless applications. Field-proven with Trimble™ radios and engineered for rugged outdoor deployments, this amplifier delivers 25 Watts output power, ultra-low noise receive performance, and reliable long-range communication enhancement. Featuring weatherproof construction and power-over-coax operation, it is ideal for industrial, utility, telemetry, and outdoor wireless networks.
Key Features
Waveform Compatibility
Field proven with TrimbleTM radio for reliable operation
Radio Compatibility
Works equally well with all types of radios
High Output Power
44 dBm (25 Watt) high power bi-directional amplification
High Transmit Gain
Provides 24 dB of transmit gain
Ultra-Low Noise LNA
Built-in LNA with 15 dB gain and ultra-low 1.8 dB noise figure improves receive sensitivity
Receive Filtering
Band-pass filter gives added protection against out-of-band noise
All-Weather Design
Completely weatherproof housing for all outdoor applications
Power over Coax
Unit is powered over coax with DC injector for simplified installation
No Heatsink Needed
Optimized PCB design with appropriate cavities and contacts eliminates need for external heatsink
Low Loss DC Injector
DC injector with only 0.8dB insertion loss - lowest loss available anywhere
Complete Outdoor Kit
Includes outdoor amplifier, DC injector, and universal power supply (110~240VAC to 28V DC 2A)
Industrial Temperature
Operates from -40°C to +70°C
Durable Construction
Watertight machined aluminum housing with anodized finish
Warranty
2-year warranty on all Shireen products
Technical Data
| Parameter | Rating / Detail |
|---|---|
| Product Name | 900MHz, 25Watt Amplifier - Outdoor Unit |
| Operating Range | 902 - 928 MHz |
| Operating Mode | TDD, Time Division duplex |
| Transmit Power | 44 dBm, 25 Watt |
| Transmit Gain | 24 dB |
| Transmit Input Power | 0 dBm min 20 dBm max |
| Receive Gain | 15 dB |
| Noise Figure | 1.8 dB |
| LED Indicators | Red for Receive (Default mode), Green for Transmit |
| Power Consumption | 150mA Rx, Tx current varies with input signal @ 28 VDC |
| Operating Temp | -40 °C to + 70 °C |
| Amplifier Dimensions | 6" x 3.5" x 1.2" (152.4mm x 88.9mm x 41.91mm) |
| Amplifier Enclosure | Watertight machined aluminum housing with Anodized finish |
| Amplifier Connectors | Type N female |
| Amplifier Weight | 1.51 lb (685 g) |
| DC Injector Dimensions | 1.4" x 3.5" x 1.0" (35.5mm x 88.9mm x 25.4mm) |
| DC Injector Enclosure | Machined aluminum housing with Anodized finish |
| DC Injector Connectors | Type N female |
| DC Injector Weight | 2 Oz. (134 g) |
| Kit Includes | Outdoor Amplifier, DC injector, Universal power supply (110~240VAC to 28V DC 2A) |
| Warranty | 2-year warranty |
Certifications
