J3F-DB 20~27dBm Output Power, 75dB Gain
Introduction
The easy-to-install feature highlights it as a great solution for signal enhancement. In addition, the coverage area of the J3F-DB Dual Band Compact Repeater is up to 1000-1500M2.

Product Features
1 | Antenna isolation testing |
2 | Automatic gain control |
3 | Intelligent mode setting |
4 | Prevent the oscillation |
5 | Cost-effective for practical solutions |
6 | Low interference |
Uplink | Downlink | |||
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Frequency Range |
GSM+DCSGSM+WCDMA CDMA+PCS |
GSM+DCSGSM+WCDMA CDMA+PCS |
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Maximun Gain |
70dB±3dB |
75dB±3dB |
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Output Power |
20dBm-25dBm |
20dBm-25dBm |
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Digital attenuation(inside) |
25dB in step of 1dB |
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Maximun input power(non-destructive) |
0dbM(CW Signal) |
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Spurious Emission | 9kHz~150KHz | ≤-36dBM/1 kHz | ||
150kHz~30MHz | ≤-36dBM/10 kHz | |||
30MHz~1GHz | ≤-36dBM/100 kHz | |||
1GHz~Flow-10MHz | ≤-30dBM/1 MHz | |||
Flow-10MHz~Fhigh+10MHz | ≤-15dBM/1 MHz | |||
Fhigh+10MHz~12.75GHz | ≤-30dBM/1 MHz | |||
Frequency Stability | ≤±0.01ppm | |||
Error Vector Magnitude | ≤10% | |||
Auto Gain Control(AGC) | ≥25dB | |||
Noise Figure | ≤6dB | |||
Return loss | ≤-10dB | |||
Group Delay | ≤1μs | |||
Power Consumption | 8w | |||
Power Supply | DC 6V/3A | |||
2、Mechanical specification | ||||
Dimensions | 41*110*158mm | |||
Weight | ≤1kg | |||
Impedance | (Nominal)50Ω | |||
I/O Connector | N-female | |||
3、Environmental specification | ||||
IP Rating | IP30 | |||
Operating Temperature | -10℃~50℃ | |||
4、Monitoring specification | ||||
2、Alarm | specification | |||
LED indication | Power LED | DC ON/OFF | ||
AGC LED | ALCI~ 5dB,red | |||
ISO LED | ISO red,Antenna isolation is lower than the isolation for equipment installation,repeater will adjust the gain automatically without neceassary of position adjusting for antennas. |