Tetra350~470MHz Power Amplifier Module

• Type: Signal Repeater
• Transmission Medium: Optical Fiber
• Standard: Standard
• Lightning Protection: Without Lightning Protection
• Certification: ISO, RoHS, CE
• Condition: New
• Model NO.: BT-PTT350-20/D4250-KR1
• Transport Package: Carton
• Specification: 145*110*20.5mm
• Trademark: BOOSTEL
• Origin: China
• HS Code: 8517629900
• Production Capacity: 3000/Month

Product Description

TETRA350~470Mhz Power Amplifier Module

 BT-PTT350-20/D4250-KR1
 

Items	Downlink
Frequency rang(MHz)	350-370
Output Power@(25ºC)	42±1dBm
ALC	Output Power keep Max.Output Power±1.5dB            @(20dB>Input signal increased>10dB)
Gain(25ºC)	≤50±2dB
Gain Adjustable rang	≥30dB
Step of Gain Adjustable	≤1dB
Error of Gain Adjustable	When Gain adjustable rang≤20dB Total error≤±1dB @ 0~20dB
	When Gain adjustable rang>20dB Total error ≤ ±1.5dB @>20dB
IMD3	≤-45dBc
In Band Ripple	≤2dB
Frequency Error	≤0.01ppm
VSWR	≤1.5
Group delay time	≤1μs
Max. Input Power no Damage	+10dBm(CW)
Power Supply	+28V; ≤2.5A
Operating Temperature	-25~+55ºC

A. POWER-6 Connector for Power Supply& Monitor,Pin definition:

PIN 1 -->RS485A; 
PIN 2 -->RS485B;
PIN 3 -->NC;
PIN 4 -->GND; 
PIN 5 -->NC;
PIN 6 -->+28V;  

B. RF Connector: SMA-50KFD

C. Monitoring functions

 

1. PA setup function:  Module address, PA=ON/OFF, ALC, ATT;
2. PA Query function: Working status(on/off,input/output, Revers power, Temperature, VSWR, ATT, ALC, PA Input power,or LNA output power), Alarm(over Temperature,VSWR, PA  Fault);
3. Over Temperature Alarm: Alarm threshold +85ºC,  meanwhile switch off PA, When  Temperature lower to +80ºC, switch on PA automatically.
4. PA Fault Alarm: Low gain Alarm;
5. Amplifier temperature detection: Temperature detection rang including but not limited -40ºC~+85ºC,  Detection accuracy<±3ºC;
6. PA Forward Power detection: Detect total power, Modulated signal test, detection rang  25dBm~46dBm, Detection accuracy<±2dBm;
7. PA Revers Power detection: Detect total power, Modulated signal test detection rang  25dBm~46dBm, Detection accuracy<±2dBm;

 

     D. Dimensions