TMB of GSM900

Uplink
Frequency range	GSM：890-915MHZ
VSWR	＜1.4
Gain	12dB
pass band Ripple	＜1.5
Noise figure	＜3dB
Bypass loss	＜3dB
I/O impedance	50 ohm
Gain adjust Range	0…12dB（1dB /Step）
Spurious emission	9KHZ-1GHZ       ≤-30dBm
	1GHZ -12.75GHZ  ≤-30dBm
Down link
Frequency Range	GSM：935-960MHZ
VSWR	＜1.4
Gain	25dB
Pass band Ripple	＜2
Bypass loss	＜1dB
Output Power	43dBm
Gain Adjustable Range	0…12dB（1dB /step）
Appearance specification
Box Material	Aluminium
Connect Port	7/16  female
Supply power port	Air Connector
GND port	M8 bolt
Fix mode	Hanging
Ambient Temperature	-40℃-+55℃
Anti-thunding mode	Fitted outside