tell Adapter2 - Status LED Signals; Technical Specification

10
2.8 Status LED signals
Slowly flashing green
Normal operation,
connected to the GSM or WiFi network
Flashing red
The GSM or WiFi service is unavailable,
or system startup/restart in progress
Permanent red
SIM card error
(only for models equipped with a modem)
2.9 Technical specification
Supply voltage range: 12…24V DC
Nominal current consumption: 120mA
Highest current consumption: 500mA @ 12V DC, 250mA @ 24V DC
Operating temperature: -20ºC - +70ºC
Transmission frequency:
2G model: 850/900/1800/1900 MHz
3G model: 900/2100 MHz @UMTS, 900/1800 MHz @GSM
3GA model: 800/850/900/1900/2100 MHz @UMTS
850/900/1800/1900 MHz @GSM
4G model: 900/1800 MHz@GSM/EDGE, B1/B8@WCDMA,
B1/B3/B7/B8/B20/B28A@LTE
4GA model: B2/B4/B5@WCDMA, B2/B4/B5/B12/B13@LTE
WiFi model: 2.4 GHz, 802.11 b/g/n
Highest load supported on output: 1A @ 24VDC
Modem type:
2G model: Quectel M95
3G model: Quectel UG95
3GA model: Quectel UG96
4G model: Quectel EG91-E
4GA model: Quectel EG91-NA
Dimensions: 84 x 72 x 32mm
Net weight: 200g
Gross weight (packed): 300g