VHF Uhf Walkie Talkie Repeater Amplifier

MOU RF Specification

Items

Downlink

Uplink

Memo

Working Frequency

350MHz Band

350-357MHz

360-367MHz

Need to specify the band when place order

420MHz Band

410-417MHz

420-427MHz

500MHz Band

500-507MHz

510-517MHz

RF Input level range for each RF input port

-5dBm~0dBm

/

Recommended input level: 0dBm

Max RF input without damage

10dBm

/

Caution: over input power may cause permanently damage

RF Output Level

/

-5±2dBm

Spurious emissions and Wideband noise

Discrete spurious:

9kHz-1GHz /BW:30KHz

≤-36dBm

≤-36dBm

1GHz-4GHz /BW:1MHz

≤-30dBm

≤-30dBm

Wideband noise

100 kHz – 250 kHz

-75dBc

-78dBc

NOTE: frb denotes the frequency offset corresponding to the near edge of the receive band or 5 MHz whichever is greater.

250 kHz – 500 kHz

-80dBc

-83dBc

500 kHz – frb

-80dBc

-85dBc

>frb

-100dBc

-100dBc

Radiated emissions

30 MHz to 1 GHz

≤-36dBm

1 GHz to 4 GHz

≤-30dBm

Intermodulation

attenuation (dBc)

RBW30 kHz

≤-36dBm

The interfering signal shall be

unmodulated and have a frequency offset of at least 500 kHz from the carrier frequency. The power level of the

interfering signal shall be 50 dB below the power level of the modulated output signal from the transmitter under test

Out of band gain

50 kHz Frequency offset from the - 6 dB point

75 dB

75 kHz requency offset from the - 6 dB point

70 dB

125 kHz requency offset from the - 6 dB point

65 dB

250 kHz requency offset from the - 6 dB point

32 dB