W E N Radiometrix Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England Issue 1, December 2014 Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233 BAT1 VHF Animal Tracking TX The BAT1 OOK transmitter is intended for the tracking of small animals such as birds and operates in the 150Mhz and 170Mhz bands dependant on country specifics. It is designed to meet EN300-220 EU specifications. Figure 1: BATI Features Standard frequencies in 25kHz steps in the 170MHz band. Other frequencies available in the 150MHz band. Modulation OOK (on off keying). 2 modes of operation. Low power requirements. Activity sensor. Lightweight Applications Animal tracking transmitters. Technical Summary On Off switching by magnet Tilt switch built in for activity sensing Supply 3V lithium cell Battery life 12 months typical (dependant on model) Integral stainless steel antenna CPU controlled Functional description The BAT1 transmitter consists of an OOK modulated crystal Oscillator and frequency multiplier with two stage RF filter and antenna matching. It has a processor which controls the main functions of the transmitter. Activity monitoring is achieved by the use of an omnidirectional tilt and vibration sensor, this senses movement regardless of orientation of the transmitter. The transmitter has 2 pre defined modes, mode 1 is normal mode and transmits a single 10mS rf pulsed carrier and is repeated every 1.5 seconds. Mode 2 is controlled by the activity sensor which is activated when the pre determined activity timer has been exceeded, typically this will be 12 hours. When there has been no movement during this time, mode 2 is then activated, this gives two 10mS transmitter pulses which are separated by 150mS, this gives the effect of a “double beep” on the Reciever and is repeated every 1.5 seconds. If any activity is detected when in mode 2, the 12 hour counter is reset and then returns to mode 1. Radiometrix Ltd., BAT1 transmitter data sheet Page 1 On board is a magnetically operated switch and requires the use of a small magnet brought close to the unit to turn the transmitter on or off, no visual indication is provided as this would consume extra power and shorten the battery life for this reason a tracking receiver should be used to confirm if the transmitter is on or off. Absolute maximum ratings Exceeding the values given below may cause permanent damage to the module. Operating temperature Storage temperature -20C to +55C -30C to +70C Performance specifications: (Vcc = 3V / temperature = 20C unless stated) General DC supply Supply voltage TX Supply current RF Spurious emissions Adjacent channel TX power Frequency accuracy Antenna Length RF centre frequency Channel spacing Number of channels Mode 1 TX on time Tx Off time Mode 2 TX on Tx Off time Activity timer Notes: 1. 2. 3. 4. min. typ. max. units 2 3 1.5 3.5 V mA -2.5 1.5s > -40 > -50 0 300 +2.5 dBm dBc kHz mm 25 1 kHz 10 1.5 mS Seconds 10 1.5 12 Hours mS Seconds 30 days notes 3 3 3 4 1 2 Mode 2 is for none activity, 2 X 10mS pulses are sent separated by 150mS interval Programmable timer dependant on requirements. Meets EN300-220 Dependant on band chosen Battery life Using the standard CR2330 Lithium battery the life is ~13 months. For extended life but at the expense of weight using CR2354 Lithium battery, life is ~ 38 months. Radiometrix Ltd., BAT1 transmitter data sheet Page 2 Radiometrix Ltd Hartcran House 231 Kenton Lane Harrow, Middlesex HA3 8RP ENGLAND Tel: +44 (0) 20 8909 9595 Fax: +44 (0) 20 8909 2233 [email protected] www.radiometrix.com Copyright notice This product data sheet is the original work and copyrighted property of Radiometrix Ltd. Reproduction in whole or in part must give clear acknowledgement to the copyright owner. Limitation of liability The information furnished by Radiometrix Ltd is believed to be accurate and reliable. Radiometrix Ltd reserves the right to make changes or improvements in the design, specification or manufacture of its subassembly products without notice. Radiometrix Ltd does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. This data sheet neither states nor implies warranty of any kind, including fitness for any particular application. These radio devices may be subject to radio interference and may not function as intended if interference is present. We do NOT recommend their use for life critical applications. The Intrastat commodity code for all our modules is: 8542 6000 R&TTE Directive After 7 April 2001 the manufacturer can only place finished product on the market under the provisions of the R&TTE Directive. Equipment within the scope of the R&TTE Directive may demonstrate compliance to the essential requirements specified in Article 3 of the Directive, as appropriate to the particular equipment. Further details are available on The Office of Communications (Ofcom) web site: http://www.ofcom.org.uk/radiocomms/ifi/ Information Requests Ofcom Riverside House 2a Southwark Bridge Road London SE1 9HA Tel: +44 (0)845 456 3000 or 020 7981 3040 Fax: +44 (0)20 7783 4033 [email protected] Radiometrix Ltd., European Radiocommunications Office (ERO) Peblingehus Nansensgade 19 DK 1366 Copenhagen Tel. +45 33896300 Fax +45 33896330 [email protected] www.ero.dk BAT1 transmitter data sheet Page 3 Radiometrix Ltd Worldwide Distributors Radiometrix Ltd Hartcran House 231 Kenton Lane Harrow Middlesex HA3 8RP ENGLAND Tel: +44 (0) 20 8909 9595 Fax: +44 (0) 20 8909 2233 [email protected] www.radiometrix.com RF Modules Australia P.O. 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