Data Sheet

4 | 98-2843 Rev AA Data Sheet
Series 5 Gridstream Mobile Radio T1501/T1551 Data Sheet
Table 1. Series 5 GMR T1551 Specification
Element Description
Radio Model Series 5 GMR T1551
Communication Protocol (PHY) IEEE 802.15.4g, IEEE 802.15.4e, IPv6 (RPL & 6LoWPAN)
MAC/PHY Features
MAC Automatic selection of 'best' Band based on Link Quality
PHY
Adaptive Power Control (i.e., Short range output power back-off)
Precision Output Power Management
Clear Channel Assessment
Hardware Capabilities
Clock Speed 120 MHz
RAM Memory 640 KB
FLASH Memory 2 MB + 4 MB External
RF Modulation IEEE 802.15.4 SUN FSK
RF Bands Sub-GHz
RF Port Internal Multi-Band 1dBi Antenna
Mechanical
Operating Temperature -20 - 65C
Storage Temperature -20 - 65C
Relative Humidity 5 - 85%
IP Rating IP53 (when rubber plug is closed)
Sub-GHz Band Characteristics: India
Frequency Range (Fc) 865.1 MHz to 866.9 MHz
Channel Width 200 KHz
Number of Channels 10
Multicast Modulation 2-FSK: 50 kbps
Unicast Modulation Support 2-FSK: 50 - 150 kbps
Data Rate Coverage 50 kbps – 150 kbps
Transmitter Power 50 mW - 500 mW
Receiver Sensitivity
(IEEE 802.15.4)
F2B50 = -107 dBm
F2B150 = -101 dBm
Draft 04.26.2022 A