Data Sheet

Data Sheet 98-2843 Rev AA | 5
Series 5 Gridstream Mobile Radio T1501/T1551 Data Sheet
Table 2. Series 5 GMR T1501 Specification
Element Description
Radio Model Series 5 GMR T1501
Communication Protocol (PHY) RF Mesh (Proprietary)
MAC/PHY Features
MAC Automatic selection of 'best' Band based on Link Quality
PHY Precision Output Power Management
Hardware Capabilities
Clock Speed 120 MHz
RAM Memory 640 KB
FLASH Memory 2 MB + 4 MB External
RF Modulation 2-FSK, 2-GFSK
RF Bands Sub-GHz
RF Port Internal Multi-Band 1dBi Antenna
Sub-GHz Band Characteristics: North America
Frequency Range (Fc)
Narrowband: 904.0 - 927.8 MHz
Wideband: 902.3 - 927.8 MHz
Channel Width
Narrowband: 100 KHz
Wideband: 300 KHz
Number of Channels
Narrowband: 239
Wideband: 86
Data Rate Coverage
Narrowband: 9.6 - 38.4 kbps
Wideband: 9.6 - 115.2 kbps
Transmitter Output Power 50 mW - 974 mW (peak)
Receiver Sensitivity
(IEEE 802.15.4)
9.6 kbps: -114 dBm
19.2 kbps: -112 dBm
19.2 kbps (MI=0.5): -111 dBm
38.4 kbps: -109 dBm
115.2 kbps: -104 dBm
Draft 04.26.2022 A