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SDR400 Series - High-speed Frequency Hopping Digital Radio

400 MHz Licensed, 800/900 MHz ISM, Up to 2 Watts, Exended Temperature, Dual Serial Ports, Excellent Sensitivity

Model:
SDR400
Brand:
WDS

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The SDR400 series of high-speed FM radio(modules) based on software radio (SDR) technology provide a small, reliable and reliable remote communication solution for low-cost, space-constrained applications. The same radio(module) can be set to select the work in the 400/900MHz or 800MHz band.

SDR400 series of high-speed frequency hopping digital radio (module) with long-range, high-speed reliable, low latency and secure data communication advantages. Supports full duplex serial communication and diagnostic communication. SDR400 series of high-speed frequency hopping digital radio (module) has a very high noise suppression, jamming exclusion and flexible frequency synthesis, digital modulation and matched filter detection technology.

SDR400 series of high-speed frequency hopping digital radio (module) super-class performance and technical indicators, excellent resistance to electromagnetic jamming and reliable communication capabilities and advanced encryption communication function, is the industry's leading super digital transmission products.

Product Advantage

1.Point-to-point, point-to-multipoint, TDMA, store forwarding, roaming

2.The software can be set to select the 400 / 900MHz or 800MHz operating frequency band

3.Air speed up to 345kbps (@ 900MHz)

4.Ultra low noise and jamming suppression 4-level filtering

5.Transmit power 2 W / 5 W / 25 W (adjustable)

6.32-bit CRC with retransmission, selectable forward error correction

7.Independent diagnostic port - real-time remote diagnostics and wireless network control

8.Low power consumption of sleep and perception modes

9.Industrial temperature range

10.Very small size

11.Aviation, military grade connection plug package options

12.Compatible with Microhard N920F

13.Compatible with PCC, Trimble, Satel GNSS / RTK data link protocol

SDR400模块 SDR400整机 hp840 hp900 2 SDR400&SDR400T

SDR400L SDR400H SDR400 10+15+25EN SDR400-Multichannel 2

Digi 9XTend compatible 2 MDS EL805 compatible 2 Microhard N920 compatible 2

Technical Parameters

Frequency		410-480MHz/840-845MHz/902-928MHz
Spereading Method/ Modulation Scheme		Frequency Hopping GMSK,2GFSK,4GFSK,QPSK
Forward Error Correction		Hamming,BCH,Golay,Reed-Solomon,Viterbi
Error Detection		32 bits of CRC,ARQ
Encryption		Optional(see-AES option)
Range		100km
Serial Interface		3.3V CMOS,RS232/485(Selectble)
Serial Baud Rate		300bps to 230.4kbps
Operating Modes		Point-to-Point,Point-to-Multipoint, TDMA,Store&For-ward Repeater, Peer-to-Peer
Signals Interface		RSSI LEDs,Tx/Rx LEDs,Reset ,Config, Wake-up,RSmode,4 Digital lnputs/ Outputs,1Analog lnput,1Analog Output
Remote Diagnostics		Battery Voltage,Temperature,RSSI, Packet Statistics
Rejection		Adjacent Channel @ 400 MHz:60 dB Alternate Channel @ 400 MHz:70 dB Adjacent Channel @ 900 MHz:57 dB Alternate Channel @ 900 MHz:65 dB
Core Voltage		3.3VDC is required for 1W 3.6VDC is required for 2W
Power Consumption (3.3V)		Sleep: <1mA(Future) ldle: 20mA Rx: 45mA to 98mA Tx Peak: 2A
Connectors		Antenna:UFL Data :80 Pin SMT
Environmental		-55℃~+85℃ 5~95% humidity,non-condensing
Weight		Approx. 5 grams
Dimensions		Approx. 1.05"x1.3"x.13" (26.5mm x 33mm x 3.5mm)
Approvals		FCC Part 15.247 Pending IC RSS210 Pending FCC Part 15.90 Pending IC RSS119 Pending CE Pending
Frequency 410 to 480MHz(Licensed Band)
Rate(kbps)	power		Sensitivity(dBm)	Bandwidth(kHz)	Regulatory
3.6	2W		-118	6.25	FCC/IC/CE
4.8	2W		-117	12.5	FCC/IC/CE
9.6	2W		-115	12.5	FCC/IC/CE
19.2	2W		-114	25	IC/CE
Frequency 410 to 480MHz(Frequency Hopping)
56	2W**		-113	60	None*
115.2	2W**		-109	150	None*
172.8	2W**		-108	180	None*
230.4	2W**		-106	230	None*
276.4	2W**		-105	230	None*
345	2W**		-103	400	None*
Frequency 840-845/902-928MHz(Frequency Hopping)
19.2	1W		-116	25	FCC/IC
56	1W		-113	60	FCC/IC
115.2	1W		-109	150	FCC/IC
172.8	1W		-108	180	FCC/IC
230.4	1W		-106	230	FCC/IC
276.4	1W		-105	230	FCC/IC
345	1W		-103	400	FCC/IC
19.2	2W**		-115	25	None*
56	2W**		-110	60	None*
115.2	2W**		-109	150	None*
172.8	2W**		-108	180	None*
230.4	2W**		-106	230	None*
276.4	2W**		-105	230	None*
345	2W**		-103	400	None*
Order Options
SDR400	Base Model(1W 900MHz FHSS & 2W 400MHz Narrow-band Operation)
-840	840-845MHz Frequency Hopping & Single Channel
-AES	128-bit AES Encryption
-C1S	1W @ 900MHz,400MHz Hopping & 2W 400MHz Licenced & 128-bit AES
-C2S	2W @ 900MHz,400MHz Hopping & 2W 400MHz Licenced & 128-bit AES

Optimal Placement
For best performance, place the digital radio in a location free from obstructions. Avoid areas with heavy machinery or other sources of electromagnetic interference, as these can disrupt the radio signal. Think of it like positioning a satellite dish; the clearer the line of sight, the stronger the connection.
Regular Maintenance
Regularly inspect the equipment for any signs of wear or damage. Keeping the radio clean and ensuring that all connections are secure will help maintain its functionality. Like any sophisticated equipment, proactive care can prevent costly repairs and downtime.
Temperature and Environment
Be mindful of the operating temperature range specified by the manufacturer. The High-speed Frequency Hopping Digital Radio is built to withstand various environmental conditions, but extreme temperatures can affect performance. Ensure that the device is used within the recommended temperature limits to avoid malfunctions.
Power Supply Stability
Ensure a stable power supply to the radio. Fluctuations or interruptions in power can lead to performance issues or even equipment failure. It’s advisable to use surge protectors to safeguard against electrical surges, much like wearing a helmet for protection during risky activities.
Frequency Settings
When configuring the radio, ensure that the frequency settings comply with local regulations and standards. Using the correct frequency not only enhances communication reliability but also prevents interference with other devices. This practice is akin to ensuring that everyone on a team is on the same wavelength for effective collaboration.
Training and Familiarization
Proper training for users is crucial. Ensure that all personnel are familiar with the operational controls and features of the digital radio. Understanding how to navigate the system can significantly reduce errors and improve overall efficiency, much like knowing the rules of a game enhances performance on the field.
Emergency Protocols
Establish clear emergency protocols for using the radio in crisis situations. Users should know how to quickly switch frequencies or activate emergency features. Having a plan in place ensures that communication remains uninterrupted when it matters most, just as a fire drill prepares everyone for the unexpected.