item

test condition

technique index

remark

supply frequency(MHz)

nominal frequency

909915/954960MHz,890909/935954MHz,885909/930954MHz,890915/935960MHZ

you can seseectselect

supply bandwidth(MHz)

nominal frequency

6MHz,19MHz,24MHz,    

maximal plus(dB)

nominal output power -5dB

85±3

90±3

95±3

 up output Pmax(dBm)

GSM modulate signal

20,23

33

37

you can select

down output Pmax(dBm)

GSM modulate signal

20,23,27

37

40,43,44

auto signal level ALC (dBm)

input add 20dB

Po=Pmax±2

noise modulus(dB)

in work band

≤5

transmit lag(us)

in work band

≤5

frequency errorppm

in work band

≤±0.05

peak phase error°

in work band

≤24.5

RMS phase error°

in work band

≤6.1

fluctuate in band(dB)

nominal power output  -5dB

≤3

band of adjust plus(dB)

nominal power output -5dB

≥30

linear of adjust plus(dB)

10 dB

nominal power output -5dB

±1.0

20 dB

nominal power output -5dB

±1.0

30 dB

nominal power output -5dB

±1.5

intermodulation outcome(dBc)

in wok band

≤-20,≤-25,≤-36,≤-45,

dispersion

(dBm)

9kHz-1GHz

BW:3KHz

≤-36

1GHz-12.75GHz

BW:3KHz

≤-30

selectivity

(dBc)

frequency

deviate

frequency

±1.0MHz

≤-10

band select

deviate

frequency

±1.5MHz

≤-30

deviate

frequency

±2.0MHz

≤-50

remote cotrol

≤-50

channel

fc±200KHz

≤-8

frequency selector

fc±400KHz

≤-40

fc±600KHz

≤-50

remote cotrol

≤-50

voltage standing-wave ratio

BS port

≤1.4

MS port