HM-T433 [HOPERF]
FSK TX MODULE; FSK TX模块
HOPERF 
HM-T v3.1
HM-T SERIES FSK TX MODULE
GENERAL
HM-T series FSK transmission module is specially designed by Hope Microelectronics Co. for replacing
those applications that used ASK technology module already. It used together with HM-R series FSK
receiver module. Due to the benefits from FSK technology, the module is robust to interference, and longer
working distance can be achieved.
FEATURES
1． HIGHLY INTEGRATED, SMALL SIZE
2． HIGH SENSITIVITY, LOW POWER CONSUMPTION
3． FSK TECHNOLOGY, SUITABLE FOR REPLACING ASK MODULES
4． LESS INTERFRENCE, LONGER WORKING DISTANCE
5． CAN BE USED TO REPLACE ASK MODULE W/O THE NEED OF SOFTWARE CHANGE
6． NO TUNING REQUIRED DURING PRODUCTION
MECHANICAL AND PIN DEFINITION
IF DATA pin is idle for more than 70mS, then the module will enter standby mode automatically.
APPLICATION
Pin to pin replace the old ASK module. Special design can be made for more sophisticated applications.
PARAMETER
1．DC Characteristic
min
2.5
typical Max
unit
V
voltage
3
5
temperature
Data rate
-35
600
80
℃
4800
9600
bps
note：data rate can be defined by customer from 300bps~100kbps
Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
Update:5/26/2008
HM-T v3.1
2. RF Characteristic
VDD=3.0V T=25℃
Model
HM-T433 HM-T868 HM-T915 Unit
Frequency
434
6
869
4
915
4
MHz
dBm
dBm
mA
Typical output power
Minimum output power
4
2
2
TX current
30
240
31
160
31
250
RF
Distance(reliable
m
condition)
note：1. testing area：1.open space；2.antenna is above the ground for 2 meters；
2. if 5Vpower supplied, even longer distance is possible, however more power consumption will be
introduced accordingly.
Naming Rules
Mechanical Dimension
Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
Update:5/26/2008
HM-T v3.1
HOPE MICROELECTRONICS CO.,LTD
Rm B.8/F LiJingGe Emperor Regency
6012 ShenNan Rd., Shenzhen,China
Tel: 86-755-82973805
This document may contain preliminary information and is subject to change by
Hope Microelectronics without notice. Hope Microelectronics assumes no
responsibility or liability for any use of the information contained herein. Nothing in
this document shall operate as an express or implied license or indemnity under the
intellectual property rights of Hope Microelectronics or third parties. The products
described in this document are not intended for use in implantation or other direct
life support applications where malfunction may result in the direct physical harm or
injury to persons. NO WARRANTIES OF ANY KIND, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS
FOR A ARTICULAR PURPOSE, ARE OFFERED IN THIS DOCUMENT.
Fax: 86-755-82973550
Email:
sales@hoperf.com
trade@hoperf.com
Website: http://www.hoperf.com
http://hoperf.en.alibaba.com
©2006, HOPE MICROELECTRONICS CO.,LTD. All rights reserved.
Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
Update:5/26/2008
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