Features:
TDD mid-power booster design – Delivers 25W (44±1dBm) downlink output at 28V with ≤2.5A operating current, balancing coverage and power efficiency.

Independent CMOS TDD switching – Separate 3.3V logic controls for RX/LNA (uplink) and TX/PA (downlink), enabling precise synchronization with TDD frame timing.

Wideband TDD band support – Available for B34 (2.0GHz), B39 (1.9GHz), and B40 (2.3GHz) with in-band ripple ≤2.5dB (B40) or ≤2dB (others).

Real-time monitoring with 19200 baud RS485 – Queries module status, forward power (±1dB accuracy), temperature (±3°C), and triggers alarms for over-power (+2dB) or over-temperature (85°C shutdown / 65°C resume).

Integrated ATT & ALC control – Downlink gain adjustment ≥25dB and ALC range ≥10dB, with active fault reporting for power, VSWR, and temperature anomalies.
Technical Specification:
Product Name:
1. UZI-TDD-B39-1.9G-3W-109-28V
2. UZI-TDD-B40-2.3G-3W-109-28V
3. UZI-TDD-B41-3W-109-28V

Features:
GaN-based high-efficiency architecture – Utilizes gallium nitride (GaN) technology to achieve 50W output power while maintaining low operating current (≤3.5A at 48V) and reduced thermal footprint.

Independent uplink and downlink signal conditioning – Supports downlink gain adjustment (≥25dB range) and ALC control (≥10dB range), with uplink noise figure ≤3dB for improved receiver sensitivity.

Real-time supervisory system with RS485 telemetry – Provides continuous monitoring of forward power, temperature, VSWR, and fault status, with programmable alerts for over-power (+2dB threshold) and over-temperature (85°C shutdown / 65°C resume).

Multi-interface mechanical layout – Features mixed connector types (MCX for PA input, SMA for others), housed in a compact 150×100×23 mm enclosure optimized for 48V GaN-based repeater and small-cell deployments.

Technical Specification:
Product Name:
1. UZI-FDD-B1-2.1G-50W-1510-48VGaN
2. UZI-FDD-B3-1.8G-50W-1510-48VGaN
3. UZI-FDD-B5-800M-50W-1510-48VGaN
4. UZI-FDD-B7-2.6G-50W-1510-48VGaN
5. UZI-FDD-B8-900M-50W-1510-48VGaN
Cautions:
1. Gallium nitride, 48V dual-line power supply
Items:
Uplink (UL) & Downlink (UL) Specifications:
Frequency Range:
1. B1:
1. UL:1920-1980MHz
2. DL:2110-2170MHz
2. B3
1. UL:1710-1785MHz
2. DL:1805-1880MHz
3. B5
1. UL:824-849MHz
2. DL:869-894MHz
4. B7
1. UL:2500-2570MHz
2. DL:2620-2690MHz
5. B8
1. UL:880-915MHz
2. DL:925-960MHz
Max Gain:
1. UL:25±2dB
2. DL:53±2dB
Maximum Output Power:
1. UL:Uncontrolled
2. DL:44±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
1. ATT10dB： ≤±1dB
2. ATT20dB： ≤±1dB
3. ATT25dB： ≤±1.5dB
In-Band Ripple:
1. UL:≤2dB
2. DL:≤2dB
Noise Figure:
1. UL:≤3dB
2. DL:NONE
EVM:
≤5% (Peak-to-Average Power Ratio 10.0dB)
VSWR:
1. ≤1.4 (Test condition: power on for testing after turning off the uplink power amplifier.)
2. ≤1.4 (Test condition: power on for testing after turning off the downlink power amplifier.)
Operating Voltage:
48V
Operating Current:
≤3.5A
Baud Rate:
19200
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
1. Settings: switch, gain;
2. Query: module status (including power amplifier status, over-power alarm, over-temperature alarm), power amplifier temperature, power amplifier ATT value, detected forward power;
3. Over-power alarm: alarm when the power exceeds the maximum output power by +2dB;
4. 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℃;
5. Power amplifier temperature detection: the detection range shall include but not be limited to -25℃～+85℃, with a detection accuracy of ±3℃;
6. Forward power detection: the detection range shall be greater than 20dB, with a detection accuracy of less than ±1dB;

Connecters:
4 connectors: PA IN is an MCX connector, and the rest are SMA connectors.
Mechanical dimensions:
150*100*23

Features:
Engineered for continuous high-load operation – Maintains RF consistency and stability across full -40℃ to +55℃ ambient range, with autonomous thermal protection activating at +85℃ and resuming at +65℃.

Embedded diagnostics with active anomaly reporting – Continuously tracks power output, load mismatch (VSWR), internal temperature, and system faults, proactively notifying host systems via RS485 interface.

Dual-domain signal conditioning – Features independent ATT (≥25dB range) and ALC (≥10dB range) control on downlink, enabling precise output regulation and automatic over-power safeguarding.

Low-profile, high-density mechanical architecture – Optimized for space-constrained enclosures, combining dual-channel 80W capability with a 28V dual-wire power input and efficient current draw (≤9A with APD).

Modular frequency‑selective variants – Available across four FDD bands (B1/B3/B7/B8) within a unified 80W platform, simplifying integration for multi-band 4G base station and repeater systems.


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

Robust environmental resilience and long-term operational stability – Engineered for reliable performance under continuous use across diverse temperature conditions (-40°C to +55°C), with automatic thermal shutdown at +85°C and recovery at +65°C.

Intelligent real-time system monitoring and fault alerting – Integrates active fault reporting for power levels, VSWR anomalies, temperature thresholds, and operational status, supported by RS485 protocol for seamless module diagnostics.

Integrated ATT, ALC, and gain control mechanisms – Enables precise downlink gain adjustment (≥25dB range) and automatic level control (≥10dB range), ensuring consistent output and protection against over-power events.

Compact, energy-efficient dual-wire 28V design – Low power consumption paired with a space-saving form factor, supporting high-density deployments without compromising RF output performance.

Modular series with scalable power options – Offers a complete product family across frequency bands (B1/B3/B7/B8) and power levels, allowing flexible configuration to meet varying system integration needs.

- GaN-based TDD amplifier operating in 4.5-5.0GHz band, 50W output power (47±1dBm downlink), equipped with 5G standard PA software and designed for ad hoc networks.
- Built-in RS485 monitoring function (baud rate 19200) for setting, querying module status, and real-time monitoring of temperature, VSWR, forward power, etc.
- Excellent electrical performance: 53±2dB downlink gain, ≤4.5dB noise figure (uplink with filtering), ≤5% EVM (10.0dB PAR), and ≥55dBc Tx-Rx isolation.
- Stable 48V power supply (≤3.5A operating current), hardware over-temperature protection (shutdown at +85℃, restart at +65℃), and 3 RF connectors (PA IN: MCX; others: SMA) for easy integration.

Features:
- High reliability, stability and consistency
- Small size and low power consumption
- Equipped with power, VSWR, temperature and fault detection functions, as well as active fault reporting capability
- With ATT and ALC control functions
- Monitoring function: RS485 protocol, providing module testing software
- Complete product series with comprehensive power levels to meet different application requirements
Technical Specification:
Product Name:
1. UZI-TDD-4.5~5.0G-100W-200160-48VGaN-485
Note:
1. 5G Mode Software
2. Signal Source Bandwidth: 10 MHz, Peak-to-Average Power Ratio (PAPR): 8 dB
3. Integrated with RS-485 Monitoring Function
4. 48V Power Supply, Gallium Nitride (GaN) Technology
5. Designed for Ad Hoc Network, Equipped with Upstream Filtering
6. 500 MHz Bandwidth with 200 MHz Selectable Channel