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Revision 1.10 Page of 2 Mar. 2014 DRA885TX MEDIUM POWER ASK TRANSMITTER MODULE V1.10
DESCRIPTION
DRA885TX is a type of low cost ASK transmitter module which is based on RFIC DRA113 which minimizes the board size and improves the stability against interferences. It can be used in wireless door opener, robot control, security alarm and related applications. PIN FUNCTIONS PIN Name Description
1 ANT Antenna port
2 VDD Power pin
3 DATA Data input
4 GND Ground(0V)
Table 1: DRA885TX Pin Functions ELECTRICAL SPECIFICATIONS Symbol Parameter (condition) Min. Typ. Max. Units VDD Supply V oltage 1.8 3.0 3.6 V Freq Frequency range 433.92 MHz Fo Frequency offset ±50 KHz Pout Output power @ 3V 10 dBm DR_ASK ASK data rate 0.3 5 9.6 kbps Temp Operating temperature range -20 25 70 °C IDD_T C u r r e n t i n t r a n s m i t m o d e @ 1 0 d B m 12 mA IDD_S Current in sleep mode 1 uA ZANT Antenna impedance 50 Ohm Table 2: DRA885TX Electrical Specifications
Revision 1.10 Page of 2 Mar. 2014 MECHANICAL DATA Unit:mm 16.50 11.50 2.00 25.50±0.50 2.54 4.60 3.00 Figure 1: DRA885TX Mechanical Dimension Dorji Applied Technologies A division of Dorji Industrial Group Co., Ltd Add.: Xinchenhuayuan 2, Dalangnanlu, Longhua, Baoan district, Shenzhen, China 518109 Tel: 0086-755-28156122 Fax.: 0086-755-28156133 Email: sales@dorji.com Web: http://www.dorji.com Dorji Industrial Group Co., Ltd reserves the right to make corrections, modifi cations, improvements and other changes to its products and services at any time and to discontinue any pr oduct or service without notice. Customers are expected to visit websites for getting newest product information before placing orders. These products are not designed for use in life support appliances, devices or other products where malfunction of these products might result in personal injury. Customers using these products in such applications do so at their own risk and agree to fully indemnify Dorji Industrial Group for any damages resulting from improper use.