RB900SG Technical specification

Mechanical specification

Max. dimensions	100 x 70 x 27 mm
Weight	≈ 120 g
Volume	170 cm3

Sketch of the housing

Electrical specification

Power supply

• Nominal voltage range: 5..30 V, 10%.
• Maximum continous (average) supply range: 2.5 W.
• Maximum continous (average) supply current: 200 mA at 12V, 100 mA at 24V.

RF specification

Antenna

The antenna must meet the requirements as in the table below:

Antenna frequency range	Supporting GSM, UMTS or LTE frequencies
Impedance	50 Ω
DC impedance	0 Ω
Gain	0 dBi w/o cable; 2dBi w/ cable
VSWR (with cable)	-10 dB

The antenna chosen for working with the modem should best fit to the circumstances of the environment it is used in. When the modem is placed in a room, or somewhere where the range of networks signal is too low, an outdoor or a specific indoor antenna should be used.

Environmental characteristic

Table below gives the environmental operating conditions of RB900SG modem.

Parameter	Condition	Min	Max	Unit
Ambient operating temperature		-20	60	°C
Storage temperature		-20*	45*	°C
ESD	At antenna connector Contact Air At interface connector		± 6 ± 15 ± 1	KV
Humidity		5	85	%

* - For long period of storage the recommended temperature range is from 15℃ to 35℃

Warning! Exceeding the above values may cause permanent damage to the modem.