参数资料
型号: MTCBA-C1-N2
厂商: Multi-Tech Systems
文件页数: 128/135页
文件大小: 0K
描述: MODEM CDMA RS232 DUAL
标准包装: 10
系列: MultiModem® Cell
功能: 收发器,CDMA,调制解调器
调制或协议: CDMA2000
频率: 800MHz,1.9GHz
应用: Sprint 网络(USA)
接口: RS-232
数据传输率 - 最大: 153.6 kbps
电源电压: 9 V ~ 32 V
其它名称: 881-1147
Chapter 22 – CDMA Terminology and Acronyms
Chapter 22 – CDMA
Terminology and Acronyms
This is an alphabetical list of the CDMA cellular industry’s terminology and acronyms.
2G
3G
AFLT
CDMA
cdmaONE
cdma2000
Second Generation. This is an all digital cellular systems developed to replace the first
analog cellular systems. (GSM and CDMA).
Third Generation. This is the next generation digital cellular systems designed to have
high-speed data access and higher voice capacity (CDMA & CDMA2000).
Advanced Forward Link Trilateration . A type of handset-based position location
technology. GPS satellites are not used to determine location. To determine location
using AFLT, the phone takes measurements of signals from nearby cellular base stations
(towers) and reports the time/distance readings back to the network, which are then used
to triangulate an approximate location of the handset. In general, at least three
surrounding base stations are required to get an optimal position fix.
CDMA ( Code Division Multiple Access). CDMA is a spread spectrum, digital cellular
modulation scheme for cellular communications systems. It has approximately 3 times
the voice capacity of GSM networks. See IS-95, IS-95B, IS-2000.
cdmaOne is a brand name, trademarked and reserved for the exclusive use of the
CDMA Development Group (see their Web site at cdg.org). cdmaOne describes a
complete cellular system that incorporates the IS-95 CDMA air interface, the ANSI-41
network standard for switch interconnection and many other standards that make up a
complete cellular system.
cdma2000 is a third generation (3G) cellular system. It contains a significant increase in
voice capacity and high-speed data rates. It is backward compatible with IS-95B and IS-
95A.
cdma2000 1xRTT "1xRTT" stands for 1 times Radio Transmission Technology and is used to identify the
version of CDMA2000 radio technology that operates in a pair of 1.25-MHz radio
channels (one times 1.25 MHz, as opposed to three times 1.25 MHz in 3xRTT). Although
theoretically capable of higher data rates, most carrier implementations have limited the
peak data rate to 144 kbit/s. While 1xRTT officially qualifies as 3G technology, 1xRTT is
considered by some to be a 2.5G.
DCE
DTE
DTMF
ESN
Handset (Path)
Headset (Path)
IMSI
IOTA
Data Communications Equipment. This is the modem in the traditional serial
communication paradigm of a computer connected via two modems to another computer.
Data Terminal Equipment. This is the computer in the traditional serial communication
paradigm of a computer connected via two modems to another computer.
Dual Tone Multi-Frequency: A pre-defined set of tones sent over the air when keys are
pressed on the keypad.
"ESN" stands for Electronic Serial Number. It is a 32-bit binary number that identifies
each cellular phone.
Handset (Path). This is the audio path (microphone & speaker) that connects to a
traditional hand held telephone receiver, usually dual balanced electrical lines.
Headset (Path). This is the audio path (microphone & speaker) that connects to an
earpiece with a microphone, usually single electrical lines.
International Mobile Station IS. This is an international 15 digital phone number that
uniquely identifies a mobile. IMSI=MCC + MNC + MIN.
IOTA stands for Internet Over The Air.
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
128
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相关代理商/技术参数
参数描述
MTCBA-C1-N2-NAM 功能描述:MODEM CELLULAR RS232 DUAL CDMA RoHS:是 类别:RF/IF 和 RFID >> RF 接收器、发射器及收发器的成品装置 系列:MultiModem® Cell 标准包装:5 系列:MultiModem® iCell 功能:收发器,HSPA,调制解调器 调制或协议:GPRS,GSM,EDGE 频率:850MHz,900MHz,1.8GHz,1.9GHz 应用:- 接口:RS-232,USB 灵敏度:- 功率 - 输出:- 数据传输率 - 最大:7.2 Mbps 特点:- 电源电压:9 V ~ 32 V,USB 其它名称:881-1125
MTCBA-C1-N3 功能描述:MODEM CDMA RS232 DUAL RoHS:是 类别:RF/IF 和 RFID >> RF 接收器、发射器及收发器的成品装置 系列:MultiModem® Cell 标准包装:5 系列:MultiModem® iCell 功能:收发器,HSPA,调制解调器 调制或协议:GPRS,GSM,EDGE 频率:850MHz,900MHz,1.8GHz,1.9GHz 应用:- 接口:RS-232,USB 灵敏度:- 功率 - 输出:- 数据传输率 - 最大:7.2 Mbps 特点:- 电源电压:9 V ~ 32 V,USB 其它名称:881-1125
MTCBA-C1-N3-NAM 功能描述:MODEM CELLULAR RS232 DUAL CDMA RoHS:是 类别:RF/IF 和 RFID >> RF 接收器、发射器及收发器的成品装置 系列:MultiModem® Cell 标准包装:5 系列:MultiModem® iCell 功能:收发器,HSPA,调制解调器 调制或协议:GPRS,GSM,EDGE 频率:850MHz,900MHz,1.8GHz,1.9GHz 应用:- 接口:RS-232,USB 灵敏度:- 功率 - 输出:- 数据传输率 - 最大:7.2 Mbps 特点:- 电源电压:9 V ~ 32 V,USB 其它名称:881-1125
MTCBA-C1-U-N2 功能描述:MODEM CDMA USB 800MHZ 1.9GHZ RoHS:是 类别:RF/IF 和 RFID >> RF 接收器、发射器及收发器的成品装置 系列:MultiModem® Cell 标准包装:5 系列:MultiModem® iCell 功能:收发器,HSPA,调制解调器 调制或协议:GPRS,GSM,EDGE 频率:850MHz,900MHz,1.8GHz,1.9GHz 应用:- 接口:RS-232,USB 灵敏度:- 功率 - 输出:- 数据传输率 - 最大:7.2 Mbps 特点:- 电源电压:9 V ~ 32 V,USB 其它名称:881-1125
MTCBA-C1-U-N3 功能描述:MODEM CDMA USB 800MHZ 1.9GHZ RoHS:是 类别:RF/IF 和 RFID >> RF 接收器、发射器及收发器的成品装置 系列:MultiModem® Cell 标准包装:5 系列:MultiModem® iCell 功能:收发器,HSPA,调制解调器 调制或协议:GPRS,GSM,EDGE 频率:850MHz,900MHz,1.8GHz,1.9GHz 应用:- 接口:RS-232,USB 灵敏度:- 功率 - 输出:- 数据传输率 - 最大:7.2 Mbps 特点:- 电源电压:9 V ~ 32 V,USB 其它名称:881-1125