Mitec双向塔顶放大器(TMB)能够显著的改善网络性能，包括提高链路平衡，扩展城区覆盖区域以及建筑物类的区域覆盖。与传统的增加站点的方式相比，该解决方案可以以更低的投入帮助运营商提供更多的用户接入。我们TMB的可靠性是建立在多年的无线网络OEM产品的研发供应基础之上。我们已经是网络的一部分并希望成为您网络覆盖增强解决方案的一员。

• 增强双向信号
• 基于Web方式的友好用户界面
• 850/900/1800/2100MHz 可选
• 易安装于BTS及天线之间
• 系统配置简便
• 增加农村区域的覆盖
• 增加城市区域的覆盖
• 减少站点数量从而减小网络投资

Description	DCS 1800 TMB	PGSM TMB
RF Specifications
Downlink Frequency Range	1805 - 1880 MHz	935-960 MHz
Uplink Frequency Range	1710 - 1785 MHz	890-915 Mhz
Operational Frequency Bandwidth	75 MHz	25 MHz
Gain Flatness	± 1.5 dB	± 1.5 dB
Gain Adjustable in 1dB steps 0-12 dB	15 dB DL and UL	15 dB DL and UL
Output Power	≥ 50 dBm of Total Output Power ≥ 47 dBm per tone per port	125 W composite (2-12 carriers)
IM3	≥ 70 dBc @ 2 x 47 dBm GSM carriers	65 dBc typical
Max Input Power	43 dBm	43 dBm
Downlink Noise Floor	≤ -36 dBm/100 KHz	≤ -11dBm/100 KHz
Uplink Noise Figure	≤ 2 dB at > 12 dB gain	≤ 2 dB at > 12 dB gain
Output/Input Isolation	≥ 30 dB	≥ 30 dB
Bypass Mode Insertion Loss	≤ 1.5 dB	≤ 1.5 dB
Interfaces
RF Connector	DIN Female IN/OUT	DIN Female IN/OUT
Alarm Monitoring and Control	RS 485	RS 485
Web Based Display GUI	Display Input & Output Power, Status and Gain Setting	Display Input & Output Power, Status and Gain Setting
Power Requirements
AC Power	90 - 230 VAC, 50/60 Hz	90 - 230 VAC or –48 VDC
Power Consumption	300W at max power out	1800W at max power out