SR-450 A




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SR-450 A

UHF Radion-Modules with internal FFSK-Modem

The SR-450A is a universal, intelligent RF-Transceiver Module for the UHF Frequency Range, covering 410 - 470 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.
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Data of SR-450A

Function: RF-unit with build in FFSK-Modem
Frequency: 410 - 470 MHz
Coverage: 60 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