Ebyte 400SL22-GPRS, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (400SL22-GPRS) user manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 4
1.3 Station system parameters
Parameter
type
Parameter
Name
The parameter value Description
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/SM
TP/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
The air rate 2.4kbps
8 adjustable level
（
0.3
、
1.2
、
2.4
、
4.8
、
9.6
、
19.2
、
38.4
、
62.5kbps
）
WOR role receiver Can be configured as a receiver/sender
WOR cycle 2000ms
500ms~4000ms
It can be configured as 500ms~4000ms
Transport mode Transparent Transmission
Can be configured for transparent transmission
or fixed-point transmission
The module
address
0~65535 Default address 0
working
frequency
410.125MHz-493.125
Default 433.125MHz, channel number 80,
channel interval 1MHz
Transmission
power
22dBm level 4 adjustable (22, 17, 13, 10dBm)
Receiving
sensitivity
-138dbm@0.3kbps
The receiver sensitivity is independent of the
baud rate and delay time
Baud rate 115200 bps No modification supported
The antenna
interface
SMA Interface
RF signal output, 50 ohm characteristic
impedance
Station system
parameters
Flow loss value
(typical value)
66.5mA@12V Idle state, no data transmission
Working
temperature
-30℃~+70℃
Extended to 40 ℃ ~ + 85 ℃ temperature
Working voltage DC 8~28V Recommend 12V/24V power supply
Size 108*75*37mm Overall size (excluding antenna)