PMI Model No. PTB-30-0R58R0-4R5-13-115VAC-NFF is a portable amplifier that operates over the 0.5 to 8.0 GHz frequency range. This model provides typical gain of 30 dB with an OP1dB of +13 dBm minimum, this amplifier features N-type female connectors and an on/off switch located on the front panel.