Shireen 225~2600 MHz Multi-Band Bi-directional Amplifier 20~50 Watt Output
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Product Overview
Shireen’s 225~2600MHz multi-band bi-directional amplifier is a high-performance wideband RF solution designed for advanced communication systems requiring automatic band selection and high output power. Covering multiple frequency bands from VHF to S-band, it delivers up to 50 Watts output depending on band and integrates harmonic filtering, fast switching, and intelligent signal detection. Built for MANET, SDR, and tactical RF applications, it provides reliable performance across complex multi-band environments.
Key Features
Auto Band Selection
Auto TX signal detection and band switching requires no radio interface connection
Multi-Band Coverage
Covers 225 MHz to 2600 MHz with 5 auto-selected bands from 20W to 50W output
Waveform Compatibility
Compatible with TSM, Katana, ANW2C and all modern/emerging MANET waveforms
Harmonic Filtering
Integrated harmonic filtering provides 53-69 dBc typical performance across all bands
High-Speed Switching
Equipped with high-speed switching circuit for use with high-speed radios
Failsafe Bypass
Automatic bypass during power failure and VSWR protection activate bypass mode
Temperature Monitoring
Available temperature sensor readings with LED indication (Green <70°C, Red >70°C)
Manual Control Options
Optional 5V or 3V TTL bypass with manual TX control
Visual Status
Band indication LEDs plus separate Tx/Rx and temperature status LEDs
Wide Voltage Options
Standard 48VDC or optional 10-36 VDC version available
Industrial Temperature
Operates from -40°C to +70°C for demanding environments
Technical Data
| Parameter | Rating / Detail |
|---|---|
| Product Name | 225 MHz~2.6 GHz Multi-Band BDA with Harmonic Filtering |
| Item Number | 70-126 |
| Output Power Range | 20~50 Watt |
| Operating Range | 225~2600 MHz |
| Operating Mode | TDD, Time Division Duplex |
| Tx Peak Power | 50 dBm |
| Transmit Gain @ 1W | Band#1 (225-300 MHz): 12.2 dB (+/-2 dB) Band#2 (315-512 MHz): 12.9 dB (+/-2 dB) Band#3 (698-970 MHz): 8 dB (+/-2 dB) Band#4 (1250-2000 MHz): 10.6 dB (+/-2 dB) Band#5 (2100-2600 MHz): 12.2 dB (+/-2 dB) |
| Tx Input Power | 20 dB min, 34 dB max |
| Rx Gain | 12 ± 2 dB |
| Noise Figure | 2.5 dB typical |
| T/R Switching | Auto switching at <1 µs |
| Band Switching | <12 µs |
| Bypass Signal Loss | <1dB |
| 2nd & 3rd Harmonic | Band#1 (225-300 MHz): 68 dBc @ 250 MHz, 60 dBc or better Band#2 (315-512 MHz): 69 dBc @ 400 MHz, 60 dBc or better Band#3 (698-970 MHz): 57 dBc @ 915 MHz, 53 dBc or better Band#4 (1250-2000 MHz): 61.8 dBc @ 1450 MHz, 58 dBc or better Band#5 (2100-2600 MHz): 62.5 dBc @ 2400 MHz, 60 dBc or better |
| LED Indicators | Red for Rx (default mode), Green for Tx. Auto band indication LEDs. Temperature <70°C LED Green, Temperature >70°C LED Red |
| DC Power | 48VDC, 4A Max. (10-36 VDC version available) |
| Power Consumption | With 48VDC, 100mA Rx, 3.5A @ 20W Tx |
| Operating Temperature | -40 °C to +70 °C |
| Temp Sensor | Optional – Indicator LED Green <70°C, Red >70°C |
| Dimensions | 10.2" (26 cm) x 5.4" (13.6 cm) x 1.8" (4.6 cm) w/o connectors. Base plate has four corner flanges with holes for mounting screws |
| Connectors | Radio Input: TNC-F, ANT Output: N-F |
| Weight | Approx. 5 lb (2.27 kg) |
Certifications
