Digital Wireless Communication MODEM

CWC WW_ISMv1.0

A pocket base station and multiservice communications device for IoT
Low data rate sub-1GHz multi-channel/user communications
(50m...1,5km - NLOS, up to 10km - LOS, 2,15dBi antennas)
High data rate 2.4GHz communications, relay data link
(up to 30km - LOS, 15dBi antennas)

Frequency ranges	WorldWide ISM: 389-510 (434) MHz 779-1020 (868) MHz 2400-2483,5 MHz
Baseband/Bandwidth	125 / 250 / 500 / 1000 kHz
RF output power	-10…15 dBm (up to 25mW)
Maximum power of spectrum component	-26…0 dBm
Spreading factor	4096…16
Data rates	CWC Proprietary DSSS (MMBOK / CH-DSSS): 1,9…112,88 kbps (spreading factor 4096…16) IEEE Std. 802.15.4g: FSK2 – 50…400 kbps OQPSK – 250…1000 kbps OFDM – 50…2400 kbps
Network capabilities	Up to 6 independent asynchronous links at one frequency; Up to 16 dependent (led by the master) synchronous links at one frequency (optional); Up to 256 devices for one PHY layer key.
UAV links options (optional)	Link tailored for MAVLink v1; S.Bus signals receiving (16ch via UART).
Multiple access	CDMA/FDMA
Interfaces	USB: Up to 12Mbps UART: 921.6 kbps (57.6...921.6 kbps optional)
Tx/Rx division	Time Division Duplex (Half-Duplex)
Encryption technique	Polyalphabetic at the physical layer (1024 bit key defines the transmission symbols)
Consumption power	35 / 150 / 220 / 270mA at 5V (idle / RX.1 / RX.6 / TX)

Asynchronous receiving of spread spectrum signals, no need for external synchronization systems
Transmission via parallel encrypted channels, radically complicates cryptanalysis
Data rate 8...11 times faster than similar spread spectrum applications
Transmission aligned with the speech codec CELP 2400/4800 (Speex)
Simultaneous transmission and broadcast of 8x CELP4800 or 16x CELP2400 voice streams
Simultaneous operation with 16x modems, connections schedules are not needed
Advanced features of construction/deploying of MESH, Ad-Hoc networks
Simultaneous operation up to 16x systems with different encryption keys in the same operational area
Access methods:

Frequency range	110-600 MHz
Baseband	2 MHz
RF output power	-40…0 dBm
Maximum power of spectrum component	-56…-16 dBm
Spreading factor	2048/8192 (2х1024/4096)
Spread spectrum technique	Code Hopping - Direct Sequence Spread Spectrum (CH-DSSS)
Channel coding/modulation	Multichannel М-ary Biorthogonal Keying
Data rate in one channel	7680/1920 (9600/2400) bps
Multiple access	CDMA/FDMA
Quantity of CDMA channels	16
Tx/Rx division	Time Division Duplex (Half-Duplex)
Encryption technique	Polyalphabetic at the physical layer (1024 bit key defines the transmission symbols)
Consumption power	0,8 Watt

Frequency	433.92 MHz
Baseband	2 MHz
RF output power	-10…+30 dBm
Maximum power of spectrum component	-26…+14 dBm
Spreading factor	2048/8192 (2х1024/4096)
Spread spectrum technique	CH-DSSS
Channel coding/modulation	Multichannel М-ary Biorthogonal Keying
Data rate in one channel	7680/1920 (9600/2400) bps
Multiple access	CDMA/FDMA
Quantity of CDMA channels	16
Tx/Rx division	Time Division Duplex (Half-Duplex)
Encryption technique	Polyalphabetic at the physical layer (1024 bit key defines the transmission symbols)
Consumption power	5 Watt