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Features:
Enhanced Field Reliability – Built to deliver consistent RF performance under extended operation with high thermal stability.
Compact & Energy-Aware Design – Low power consumption paired with a space-saving mechanical layout for dense integration.
Intelligent Fault Monitoring Suite – Real-time detection of over-power, over-temperature, and VSWR events with automatic alarm reporting.
Active Gain Control Chain – Integrated ATT (Attenuation) and ALC (Auto Level Control) for precise output management.
Remote Module Management – RS485/Modbus interface with dedicated PC software for configuration and live status polling.
Modular Power Portfolio – Multiple power level options available within the same product series for flexible system scaling.
Dual Forward Power Detection – High-dynamic-range power sensing (>20dB range) with ±1dB accuracy.
Wide-Temperature Operation – Full functional range from -40°C to +55°C, with thermal shutdown at +85°C and auto-recovery at +65°C.
High Isolation & Signal Integrity – Tx-Rx isolation ≥55dBc and EVM ≤8% under 10dB PAR conditions.
Dual-Channel 28V Architecture – 2-wire power input configuration supporting both uplink and downlink paths with independent VSWR monitoring.
Technical Specification:
Product Name:
1. UZI-FDD-B1-2.1G-80W-1510-Dual-28V
2. UZI-FDD-B3-1.8G-80W-1510-Dual-28V
3. UZI-FDD-B7-2.6G-80W-1510-Dual-28V
4. UZI-FDD-B8-900M-80W-1510-Dual-28V
Cautions:
1.4G Standard Software for Power Amplifier
2.28V Dual-Wire Power Supply Configuration
Items: | Uplink (UL) & Downlink (UL) Specifications: |
Frequency Range: | 1. B1: a. UL:1920-1980MHz b. DL:2110-2170MHz 2. B3 a. UL:1710-1785MHz b. DL:1805-1880MHz 3. B7 a. UL:2500-2570MHz b. DL:2620-2690MHz 4. B8 a. UL:880-915MHz b. DL:925-960MHz |
Max Gain: | 1. UL:25±2dB 2. DL:53±2dB |
Maximum Output Power: | 1. UL:Uncontrolled 2. DL:49±1dBm |
Maximum Input Level: | 1. UL:NONE 2. DL:+10dBm |
Gain Adjustment Range: | 1. UL:NONE 2. DL:≥25dB |
ALC Range: | 1. UL:NONE 2. DL:≥10dB |
Gain Flatness: | 1. UL:NONE 2. DL a. ATT10dB： ≤±1dB b. ATT20dB： ≤±1dB c. ATT25dB： ≤±1.5dB |
In-Band Ripple: | ≤2.5dB |
Noise Figure: | 1. UL:≤3dB 2. DL:NONE |
Tx-Rx Isolation: | ≥55dBc |
EVM: | ≤8% (Peak-to-Average Power Ratio 10.0dB) |
VSWR: | 1. UL:≤1.4 (Test condition: power on for testing after turning off the uplink power amplifier.) 2. UL:≤1.4 (Test condition: power on for testing after turning off the downlink power amplifier.) |
Operating Voltage: | 28V DC, dual-wire power supply configuration |
Operating Current: | With APD: ≤9A |
Baud Rate: | 9600 |
Working Temperature: | -40~+55℃ |
Over-Temperature Protection: | Alarm and shutdown at +85℃, resume operation at 65℃ |
Monitoring Functions: | 1. For the wiring diagram of the monitoring port, refer to the outline dimension drawing; RS485 interface communication a. Settings: switch, gain; b. Query: module status (including power amplifier status, over-power alarm, over-temperature alarm), power amplifier temperature, power amplifier ATT value, detected forward power; c. Over-power alarm: alarm when the power exceeds the maximum output power by +2dB; d. Over-temperature alarm: recommended threshold is +85℃; alarm is triggered when the detected temperature exceeds +85℃, and the power amplifier is turned off simultaneously, then turned on at +65℃; e. Power amplifier temperature detection: the detection range shall include but not be limited to -25℃~+85℃, with a detection accuracy of ±3℃; f. Forward power detection: the detection range shall be greater than 20dB, with a detection accuracy of less than ±1dB; |
Dimensional Drawing:
Sample:
