1pcs 40w 433mhz power amplifier + 1pcs 30w 915mhz power amplifier

  
Spec of 433mhz power amplifier: 1 Working frequency: 400-470MHZ 2 Input power: 1-5W e. Walkie talkie 3 Receiving frequency: 50-1000MHz 4 Working mode: half duplex (unable to receive in transmitting state) 5 Receive loss: 0.5dB (negligible) 6 Output power: 40W (typical value) 7 Power supply voltage: 12-15V (typical 13.8V) 8 Working current: 6-7A (typical value) 9 Standby current: about 50mA (receiving without power supply) 10 Heat dissipation mode: 40 ° intelligent temperature control air cooling 11 Overall dimension: 135mm × 120mm × 90mm spec of 915mhz power amplifier: Operating frequency: 915MHz (850-960MHz) Input power: 3d-12dBm (customizable) Output power: 40-45dbm (10-30W) Power gain: 40dB Power supply voltage: 20 - 28V Power supply current: 3.0A (varies with output power) System impedance: 50? Joint type: SMA-K Heat dissipation form: intelligent temperature-controlled fan Overall size: 130mm long x 110mm wide x 45mm high Precautions: It is forbidden to power on the no-load/load serious mismatch.