HamGeek Micro PA100+ Plus Upgraded Version 3.5MHz-30MHz 100W HF QRP Shortwave Amateur Radio Power Amplifier

Improvements Added ALC output 0 4V compatible with ICOM and YAESU Optimized Reduced cooling fan noise Optimized Enhanced common mode interference suppression Optimized Improved stability of ultra narrowband antennas Optimized Achieved consistent power across all frequency bands Optimized Full band input VSWR Optimized Full band harmonic suppression performance Optimized Improved power supply circuit load capacity Replaced Adopted a larger 1 54 inch OLED display Features HamGeek PA100 Plus 100W Smart Portable Desktop Shortwave Band Power Amplifier High speed automatic transmit receive switching supports RF triggering automatically switches transmit receive status even without a PTT SEND signal connection High speed automatic switching low pass filter LPF Automatically matches the appropriate LPF without requiring an ACC control line connection equipped with 5 sets of fifth order LPFs covering all amateur shortwave communication bands from 80 meters to 10 meters Power and VSWR display and protection functions ensure equipment safety and prevent damage even under poor antenna conditions Wide voltage range supporting voltage display and protection facilitating outdoor lithium battery power supply Temperature display and protection equipped with an intelligent dual fan cooling system Supports half insertion mode function enabling half insertion operation even without a PTT SEND signal connection Supports ICOM YAESU and