dial keys per module, works with GRP2615, GRP2624, GRP2670 and GXV3350
GBX20
Backlit LCD, 40 BLF/speed dial keys per module, supported by GXP2140, GXP2170 and GXV3240
Backlit LCD, 40 BLF/speed dial keys per module, supported by GXP2140, GXP2170 and GXV3240
dial keys per module, works with GRP2615, GRP2624, GRP2670 and GXV3350
