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SR-915A
UHF Radion-Modules with internal FFSK-Modem
The SR-915A is a universal, intelligent RF-Transceiver Module for the UHF Frequency Range, covering 902 - 928 MHz. The unit is equipped with an internal FFSK-Modem and a Microprocessor, and can be controlled vial I2C-interface or RS-232 @ TTL-Level.
The data interface for the communication cannel is controlled by:
TxC, RxC, TxD and RxD..
Data of SR-450A
Function: | RF-unit with build in FFSK-Modem |
Frequency: | 902 - 928 MHz |
Coverage: | 30 MHz w/o readjusting |
Cannelspacing: | 12,5 / 25 kHz |
RF-Output Pwr: | Programmable 10 mW to 500 mW |
Sensitivity: | -117 dBm |
Modulation: | FFSK-Modulation with 2400 BPS |
Interface: | I2C, RS-232 (TTL) |
RSSI: | Analog Voltage at Terminal, and internal Register |
Supply Voltage: | 5 Volt (7 Volt) |
Current consumption: | 70 mA - standby / receive 250 mA @ Pout = 500 mW |
Antenne Terminal: | SMR-nano |
I/O Signals: | 17 Pin PCB-Terminal |
Enclosure: | ca. 54 x 79 x 19 mm, Tinplate |
Approval: | CE, EN 300 220 |