1710-1880MHz 20W Electronic Fence RF Power Amplifier Module

B3 20W Electronic Fence RF Amplifier Module integrates PA and LNA, operating at 1710–1880MHz. It delivers 43±1dBm output, ≥25dB adjustable gain, ALC, and noise figure ≤1.8dB. Powered by DC+28V with RS485 monitoring, it features standard interfaces and stable performance, ideal for electronic fence, wireless communication and signal coverage.

Product Detail

The B3 20W Electronic Fence RF Amplifier Module integrates transmitting power amplifier (PA) and receiving low noise amplifier (LNA). The transmitting band is 1805–1880MHz, and the receiving band is 1710–1785MHz. It provides 43±1dBm output power, 50±1dB gain, ≥25dB gain adjustment range and ALC. The receiving gain is 25±1dB, noise figure ≤1.8dB, in-band fluctuation ≤2.0dB, VSWR ≤1.5. Powered by DC+28V with RS485 monitoring, it has standard interfaces and compact size, operating at -25~+55℃, suitable for electronic fence, wireless communication, signal enhancement and private network coverage.

Channel Name	Transmitting Channel (PA)	Receiving Channel (LNA)
Working Frequency	1805-1880MHz	1710-1785MHz
Output Power	43±1dBm	-10±1dBm
Gain	50±1dB	25±1dB
Gain Adjustment Range	≥25dB	≥25dB
Minimum Gain Adjustment	1dB	1dB
Automatic Level Control (ALC)	≥10dB	/
In-band Fluctuation	≤2.0dB	≤2.0dB
Adjacent Channel Power Ratio (ACPR)	≤-45dBc	/
Error Vector Magnitude (EVM)	≤5%	/
Noise Figure	/	≤1.8dB
Maximum Input	0dBm	-10dBm
Out-of-band Spurious	9kHz～1GHz@≤-36dBm/30kHz 1GHz～12.75GHz@≤-30dBm/30KHz
VSWR	≤1.5
Working Power Supply	≤3.5A/DC+28V
Operating Temperature	-25～+55℃
RF Port	PA-IN/LNA-IN/LNA-OUT: MCX-KHD； PA-OUT: SMA-KHD
Power Connector	5569 Connector, Spacing 4.2MM, Curved Needle Seat 2*3PIN
Power Monitoring Interface	PIN 1: RS485A PIN 4: RS485B PIN 2: L/EN（empty） PIN 5: GND PIN 3: P/EN（empty） PIN 6: +28V
Monitoring Type	RS485 Monitoring Protocol, Baud Rate 9600/19200 Optional (default 19200)
Dimensions	130x110x21mm