Tetra450-512MHz 10W Power Amplifier Module

TETRA450-512MHz 10W Power Amplifier Module   ItemsTechnical ParametersFrequency rang(MHz)450-512MHz Band Width (MHz)62MHzOutput Power(max.)40±1dBmALC ≥10dBGain(max.)50±2dBGain Adjustable rang≥25dBStep of Gain Adjustable≤1dBError of Gain AdjustableTotal error ≤ ±1.5dB  Input power (max.)+10dBmIn Band Ripple≤2.0dBVSWR≤1.3:1IMD3 ≤-13dBm @2x 37dBmPower Supply+28V; ≤4.0AOperating Temperature -25~+65ºC(>85ºC Alarm & OFF, DC+28V; A2 ---------------->GND;PIN 1 ----------->RS485A; PIN 2 ----------->RS485B;PIN 3 ----------->GND; PIN 4 ----------->NC;      2. RF Connector: SMA-50KFDRS485 PORT:PA setup function:  Module address(default=0), PA=ON/OFF, ALC, ATT;PA Query function: Working status(on/off, Revers power, forward power Temperature, VSWR,ALC, ATT,), Alarm(over Temperature, over power, VSWR, PA Fault);Over Temperature Alarm:Alarm threshold +85ºC, meanwhile switch off PA, When  Temperature lower to +65ºC, switch on PA automatically.Over power alarm: when output power >Po+2dBAmplifier temperature detection: Temperature detection rang including but not limited 0ºC~+85ºC,  Detection accuracy20dBm, Detection accuracy