User's Manual
4
General Specifications
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Radio Frequency: 900 – 928 MHz (License-Free ISM Band)
Range: Up to 1000 feet
Channels: 256 Different User Selectable Channels
Full RF Range Frequency Hopping or 32 User Selectable Frequency Settings
RF Data Rates (bps): 1200, 2400, 4800, 9600, 19.2K, 38.4K, 76.8K
Transmit Levels: AT Command Selectable Range – Max: 0dBm to Min: –20dBm
Modulation Scheme: Frequency Shift Keying (FSK)
Coding: Manchester Mode
Receiver Sensitivity: Data Rate and RF Frequency dependent
Built in Error Correction
Supports Hardware (RTS/CTS) and Software (XON/XOFF) Flow Control
AT Command Data Format: Asynchronous 10 Bit – 1 Start, 8 Data No Parity, 1 Stop
Terminal Data Rate in bits per second (DTE): 300, 1200, 2400, 9600, 19.2K, 57.6K
Terminal Data Rate Tolerance: Over-speed / Under-speed + / - 1%
Interface: Serial TTL compatible I/O (3.3volts)
Voltage Range: 3.0V- 6.0V operation
Uses Popular “AT” command set for easy software configuration
Includes on board NVRAM for storing configuration into memory
Power Consumption: Transmit Mode: 36mA typical
Receive Mode: 28mA typical
Idle Mode (off line) 16mA typical
Low Power Down Mode 4mA typical
Antenna Type: ¼ wave omni-directional with Reverse Polarity SMA Plug (Male)
Antenna Gain: Maximum 2dBi
Input Impedance: 50 ~ Nominal
Physical Dimensions: 1.0(W) x 1.0(L) x 0.3(H) in.
Weight: 0.3oz. or 7g
Operating Temperature: -40C to +85C
FCC: Complies with FCC CFR47 Part 15.247 and 15.249