Chengdu Ebyte Electronic Technology Co.,Ltd
E70-DTU (433NW30-GPRS) UserManual
Copyright ©2012–2019 Chengdu Ebyte Electronic Technology Co.,Ltd
3
1.3 System parameters
Parameter
type
Parameter Name
The parameter value
Description
NET
Characteristic
parameters
Support Frequency
Quad-frequency:
GSM850,
EGSM900,
DCS1800, PCS1900
Module can automatically search frequency
Frequency selection can be set with the AT
command
Conform to GSM Phase 2/2+
-
GPRS Connection
characteristics
GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS mobile station class B
-
GPRS Data features
GPRS data downlink transmission: up to 85.6
KBPS
GPRS uplink data transfer: up to 85.6 KBPS
Coding formats: cs-1, cs-2, cs-3 and cs-4
Supports the PAP (password verification
protocol) protocol commonly used for PPP
connections
Support for protocols commonly used for
CHAP (query handshake authentication
protocol)
The built-in protocols:
TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMT
P/PING, etc.
Support for unstructured supplementary data
services (USSD)
-
The antenna interface
SMA interface, NET signal output, 50ohm
characteristic impedance
-
Transmission Power
Class 4 (2W)
：
GSM850 and EGSM900
Class 1 (1W)
：
DCS1800 and PCS1900
-
RF
characteristic
parameters
Working mode
coordinator/common node
Can be configured as a coordinator,
common node
Input format
Broadcasting
Default broadcast, configurable as
broadcast, short a data, long address
+ data
Transmission mode
Long distance
Default long distance, configurable for long
distance, standard transmission
Transmission power
Extreme high
The default is extremely high and can be
configured to be extremely high, high,
medium and low
Concurrent
performance
High
Default high, configurable to low, medium,
high, and very high
Output format
Valid data
（
transparent
）
Default valid data (transparent),
configurable as valid data + long address,
valid data + short address, valid data +
RSSI, valid data + long a short
address, valid data + long a RSSI,
valid data + short aRSSI, valid data
+ long a short a RSSI
Restart parameter
60
Default 60, configurable to 0 or 60--65535,
decimal
PANID
65535
Default 65535, configurable to 0-65535,
decimal
Sleep time
6
Default 6
，
can be set to 2--60
Baud rate
115200 bps
Cannot be changed
Antenna
SMA
RF signal output
，
50 ohm impedance
System
parameters
Current consumption
（
Typical
）
43.1392mA@12V
In idle, no transmission
Working temperature
-30℃~+70℃
Extending -40℃~+85℃
Working voltage
DC 8~28V
Recommend 12V/24V
Size
108*75*37mm
Average
（
antenna not included
）
Summary of Contents for 433NW30-GPRS
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