Applications
GSM optical repeater
CDMA optical repeater
WCDMA optical repeater
Highlights
1. AGC function to realize auto gain compensation for optical transmission.
2. Transparent data transmission channel for data exchange.
3. Wide-band features for multi-system work.
4. Perfect optical and RF features.
5. Good noise coefficient and power amplifier spec.
Ordering Informaiton
RFOT-LPA-G09-1550-4540-XX
RFOT: RF optical module
LPA: low noise amplifier & power amplifier
G09: GSM 900MHZ band
4540: 45dB gain and 40dBM power output
XX: do not care
GSM
Master: RFOT-201-1310-0.9G-09-GY Slave: RFOT-LPA-1550-G09-4540-09-GY
Specifications
|
Parameter
|
Value
|
Remark
|
|
Optical Wavelength
|
Master 1550±20nm
|
Slave 1310±20nm
|
|
|
Optical Output Power
|
4dBm±2dBm
|
|
|
Optical input Power
|
-16～6dBm
|
|
|
Transmit No Optical Alarm
|
≤-3dBm
|
Software Settings
|
|
Receive No Optical Alarm
|
≤-16dBm
|
Software Settings
|
|
WDM
|
Built-in
|
|
|
Optical Interface
|
FC/APC
|
|
|
Tx Optical Power
|
Range-3～6dBm，Error±2dB
|
|
|
Rx Optical Power
|
Range-16～6dBm，Error±2dB
|
|
|
RF Specifications
|
|
Frequency Bands
|
Uplink 885～909MHz，
Downlink 930～954MHz
|
|
|
Max. Gain
|
65dB
|
15dB is available for optical attenuation
|
|
Link Gain
|
50±2dB（uplink、downlink）
|
Default settings
|
|
Max. output power
|
40±2dBm
|
|
|
Optical Gain Adjustment Range(ATT)
|
|
|
|
Gain Adjustment Range(ATT)
|
Range≥30dB, Step1dB，Error1-10dB：±1.0dB，
11-30dB：1.5dB
|
|
|
ALC Power
|
Uplink：-5±2dBm（For Master）；
Downlink： 40±2dBm
|
|
|
RF Input Power Detection
|
Range-25～5dBm,Error±2dB（For Master）
|
|
|
Flatness
|
≤2dB
|
|
|
VSWR
|
≤1.4
|
|
|
IM3
|
Uplink：≤-60dBc（-5dBm for input）；
Downlink：≤-36dBc/40dBc/45dBc（40dBm for output ）
|
|
|
Noise Figure
|
≤2dB
|
|
|
Isolation
|
≥60dB
|
|
|
Emission
|
9kHz～1GHz：≤-36dBm；1GHz～12.75GHz：≤-30dBm
|
|
|
Max. Input Power (No Damage)
|
Uplink：-10dBm；Downlink：10 dBm
|
|
|
Dimension
|
169 mm*152.5 mm*25 mm，Error<±0.5mm
|
|