DATA-0294
Product Datasheet for the STE AT52 / AT57 RF Transmitter Modules
Features
400MHz to 475MHz
VHF
Crystal Controlled
12V
0.8-1W / 4-5W Tx O/P
"Data" Input
FM / PM Modulation
12.5KHz / 20KHz / 25KHz / 50KHz Channel Spacing
Antenna Switch
Open / Enclosed
The AT57 has been designed in accordance with ETS300-086 ( Voice ) and ETS300-113 ( Voice + Data ) regulations and operate in frequency modulation. The modules are manufactured using Surface Mount Technology ( SMT ) and are therefore compact and reliable.
The transmission frequency is determined by a crystal which can be rapidly supplied by STE on the frequency required.
Special care has been devoted to the radio frequency, modulation and supply circuits to make the module suitable to meet the most requirements. Either FM ( constant frequency deviation ) or the PM ( 6dBm / octave emphasis ) modulation can be chosen and the cut-off frequency of the modulation circuit can be changed.
Separate, specific inputs are implemented for the audio signal, the digital data, the subaudio or superaudio tones as well as the DTMF or selective calling tones. Different supplies can be selected for the various circuits in order to guarantee a low consumption ( in Standby position ) or the transmitting-receiving switching speed in case of alarm or digital data transmission.
Relevant Support for the AT57
Below is the support information available for the AT57 - select a link to download the relevant documentation.
APNO-0066
- Antennae for SRD Application Note for Antenna design with STEs range of Short Range Device RF Modules Dated : 10 November 2005 ( Uploaded ) Relevant to : STE - Modules - RF
APNO-0068
- SRD Frequency Allocation Bands Application Note detailing the Frequency Allocation Bands for Short Range Devices Dated : 10 November 2005 ( Uploaded ) Relevant to : STE - Modules - RF
APNO-0073
- Wireless Chronothermostat Application Note for Wireless Chronothermostat using STEs range of RF Modules Dated : 10 November 2005 ( Uploaded ) Relevant to : STE - Modules - RF
APNO-0074
- SRD Frequency Allocation Plan Application Note detailing the Frequency Allocation Plan for Short Range Devices Dated : 10 November 2005 ( Uploaded ) Relevant to : STE - Modules - RF
DATA-0294
- Product Datasheet Product Datasheet for the STE AT52 / AT57 RF Transmitter Modules Dated : 22 December 2005 ( Uploaded ) Relevant to : AT52 / AT57
Relevant News for the AT57
Below is the news information available for the AT57 - select a link to view the relevant information.
Sorry, no news information is available for this product.
