Specialize in Signal Repeater & Jammer R&D and manufacturing since 2006
* Support TETRA/P25/DMR and other public safety communication systems.
* Advanced FPGA digital filtering technology, programmable channel number and bandwidth.
* Advanced Low noise designed,extend the return distance.
* Independent AGC and ATT function to each channel.
* Support Local OMT monitoring by USB connection, support remote NMS monitoring by wireless modem.
* IP65 protection grade, support outdoor installation.
Amplitec S37T-Bxxx series digital multi-carrier public safety and emergency communication wireless repeater is a communication device that uses software radio technology to digitally filter RF signals through AD/DA and then restore them to RF signal. It is used to extend the coverage of TETRA, DMR, PMR, P25 and other public safety and emergency communication systems.
The S43T series digital multi-carrier public safety and emergency communication wireless repeater adopts a high-quality aluminum alloy die-casting shell case, reaching IP65 protection level, and can be mounted on indoor walls or outdoor poles. The equipment is equipped with one USB local monitoring interface and two N-Female RF interfaces。In addition, it has a built-in SIM card slot. After inserting a 4G SIM card, you can wirelessly access the NMS network management for remote monitoring.
The Down Link of the S37T-Mxxx series repeater wireless receives base station's RF signal such as TETRA, DMR, PMR, P25 through the donor antenna, converts it into a digital signal through AD, and then converts it into an RF signal through DA after filtering by FPGA, and then transmits it to the coverage area through the service antenna. On the contrary, the Up Link receives the communication terminal RF signal through the service antenna, converts it into a digital signal through AD, and then converts it into an RF signal through DA after filtering by FPGA, and then transmits it back to the base station through the donor antenna after amplification.
The S37T-Mxxx series repeaters have the following models suitable for public safety and emergency communication systems in various frequency bands. Other frequencies can also be customized according to customer needs.
Model |
Frequency of Up Link |
Frequency of Down Link |
S37T-M380 |
380 ~ 385 MHz |
390 ~ 395 MHz |
S37T-M390 |
385 ~ 390 MHz |
395 ~ 400 MHz |
S37T-M400 |
415 ~ 415 MHz |
420 ~ 425 MHz |
S37T-M420 |
415 ~ 420 MHz |
425 ~ 430 MHz |
S37T-M500 |
500~ 505 MHz |
485 ~ 490 MHz |
Items |
Up link |
Down link |
|
Frequency Range |
Customized |
Customized |
|
Operation Bandwidth |
5MHz |
5MHz |
|
Number of Channels |
1~16 |
1~16 |
|
Bandwidth of Channels |
12.5/25KHz Can be set |
12.5/25KHz Can be set |
|
Output Power |
30±2dBm |
37±2dBm |
|
Max Gain |
80 ± 2dB |
85±3dB |
|
Ripple |
≤±2dB |
≤±2dB |
|
VSWR |
≤1.5 |
≤1.5 |
|
Max. Input Power Without Damage |
-10dBm |
-10dBm |
|
Spurious Emission |
9KHz~1GHz |
≤-36 dBm |
≤-36 dBm |
1GHz~12.75GHz |
≤-30 dBm |
≤-30 dBm |
|
Gain Attenuate Range |
1~31 dB,step of 1 dB |
||
ALC control Range |
≥ 30dB |
≥ 30dB |
|
Noise Figure@ max. gain |
≤4.5 dB |
≤4.5 dB |
|
Spurious |
<-13 dBm (2 Carrier ) |
||
Time Delay |
≤ 30uS @ 12.5K |
||
Monitoring |
Local |
Via USB Connection Local OMT |
|
Remote |
Via Modem Connection NMS |
||
Remote & Local Control |
1.UL&DL Gain |
||
2.Working Frequency |
|||
3.Sub band ON/OFF |
|||
4.Temperature Alarm Level Limit |
|||
5.UL/DL Output Over Power Alarm Level Limit |
|||
6.DL Output Under Power Alarm Level Limit |
|||
7.DL VSWR Alarm Level Limit |
|||
8.Alarm Enable |
|||
9.UL&DL PA ON/OFF |
|||
10.Bandwidth mode |
|||
Remote & Local Monitoring |
1.UL&DL Output Power |
||
2.Temperature |
|||
3.Alarms(Over Temp Alarm,AC Power Alarm,Low Battery Alarm,UL/DL Power Alarm,LD/PD Alarm,Door Alarm,VSWR Alarm) |
|||
4.UL&DL PA ON/OFF |
|||
5.Working Frequency |
|||
6.Sub band ON/OFF |
|||
7.Bandwidth Mode |
|||
Power Supply |
AC 110/220V, 50/63Hz or DC 48V |
||
Power Consumption |
< 200 W |
||
RF Connector |
N-Female |
||
Environment Conditions |
IP65 |
||
Humidity |
< 90% |
||
Operating Temperature |
-10℃ ~ +50℃ |
||
Dimension |
490*410*190 |
||
Weight |
<25kg |
* Support TETRA/P25/DMR and other public safety communication systems.
* Advanced FPGA digital filtering technology, programmable channel number and bandwidth.
* Advanced Low noise designed,extend the return distance.
* Independent AGC and ATT function to each channel.
* Support Local OMT monitoring by USB connection, support remote NMS monitoring by wireless modem.
* IP65 protection grade, support outdoor installation.
Useful Links
Tel: +86-757-83308238,13715513766
E-mail: info@amplitec.cn
Address: 4th Floor, 4th Building, No. 60 of the Langbao West Road, Chancheng District, Foshan City, Guangdong, China. 528000